git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10748 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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examples/ASPHERE/README Normal file
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This directory has examples of how to model aspherical particles with
or without solvent, in 3 styles LAMMPS provides. Namely point
ellipsoids, rigid bodies, and generalized aspherical bodies built from
line/triangle surface facets in 2d/3d.
Each directory has an input script, a data file (if needed), and an
output log file. Most of the systems are 2d, but many of the runs
take a minute or two on 8 processors, since these are complicated
systems. Some of the directories include a Python script, which can
be used with the Pizza.py tool to create the data file, e.g. for
collections of rigid bodies.
The web site for Pizza.py is http://pizza.sandia.gov
For example, If you have Pizza.py installed you can type "pizza.py -f
box.py", which creates the data.box data file in the box dir.
If you uncomment the dump or dump image lines in the input scripts the
runs will produce dump files or JPG images which you can view or
animate. See the Movies page of the LAMMPS web site
(http://lammps.sandia.gov/movies.html), for animations of these
scripts. Most were done using the dump image command. A few were
done using the gl tool in Pizza.py; the Pizza.py scripts that do the
animation are given in the directory, e.g. as line.viz.py.
These are the directories in ASPHERE. SRD refers to a coarse-grained
stochastic rotation dynamics solvent, using the fix srd command.
box = 2d rigid box particles in SRDs, self-diffusion and viscosity
dimer = 2d rigid dimers in SRDs, self-diffusion and viscosity
ellipsoid = 2d ellipsoids in SRDs, self-diffusion and viscosity
line = 2d line-faceted rigid particles, NEMD shearing for viscosity,
implicit and in SRDs
poly = 2d poly-disperse spheroids in SRDs, self-diffusion and viscosity
star = 2d rigid star particles in SRDs, self-diffusion and viscosity
tri = 3d triangle-faceted rigid particles in SRDs, NEMD shearing for viscosity

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# create set of randomly oriented boxes
p = patch(0.15)
p.dim = 2
p.extratype = 1
p.style = "sphere"
p.extra = "Molecules"
p.seed = 596982
p.build(30,"box2d",6,3,0.8,1)
p.write("data.box")

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LAMMPS data file for Nanoparticles
420 atoms
2 atom types
-19.1446896794 19.1446896794 xlo xhi
-19.1446896794 19.1446896794 ylo yhi
-0.5 0.5 zlo zhi
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383 1 1 1 -14.2684 16.6093 0 0 -1 0
384 1 1 1 -13.7806 15.9752 0 0 -1 0
385 1 1 1 -14.9513 -18.1681 0 0 0 0
386 1 1 1 -14.4635 -18.8022 0 0 0 0
387 1 1 1 -13.9758 18.853 0 0 -1 0
388 1 1 1 -13.488 18.2189 0 0 -1 0
389 1 1 1 -13.0002 17.5849 0 0 -1 0
390 1 1 1 -12.5124 16.9508 0 0 -1 0
391 1 1 1 -15.5854 -18.6559 0 0 0 0
392 1 1 1 -13.1465 16.463 0 0 -1 0
393 1 1 1 0.198913 11.9537 0 0 0 0
394 1 1 1 -0.594369 12.0571 0 0 0 0
395 1 1 1 -1.38765 12.1606 0 0 0 0
396 1 1 1 -2.18093 12.264 0 0 0 0
397 1 1 1 -2.97421 12.3675 0 0 0 0
398 1 1 1 -3.7675 12.471 0 0 0 0
399 1 1 1 -0.00800755 10.3671 0 0 0 0
400 1 1 1 -0.801289 10.4706 0 0 0 0
401 1 1 1 -1.59457 10.574 0 0 0 0
402 1 1 1 -2.38785 10.6775 0 0 0 0
403 1 1 1 -3.18113 10.7809 0 0 0 0
404 1 1 1 -3.97442 10.8844 0 0 0 0
405 1 1 1 0.0954527 11.1604 0 0 0 0
406 1 1 1 -3.87096 11.6777 0 0 0 0
407 1 1 1 -3.4936 18.9783 0 0 0 0
408 1 1 1 -3.96865 -18.6674 0 0 1 0
409 1 1 1 -4.44369 -18.0237 0 0 1 0
410 1 1 1 -4.91874 -17.38 0 0 1 0
411 1 1 1 -5.39379 -16.7363 0 0 1 0
412 1 1 1 -5.86883 -16.0927 0 0 1 0
413 1 1 1 -4.78097 18.0282 0 0 0 0
414 1 1 1 -5.25602 18.6719 0 0 0 0
415 1 1 1 -5.73106 -18.9738 0 0 1 0
416 1 1 1 -6.20611 -18.3301 0 0 1 0
417 1 1 1 -6.68116 -17.6864 0 0 1 0
418 1 1 1 -7.1562 -17.0427 0 0 1 0
419 1 1 1 -4.13728 18.5033 0 0 0 0
420 1 1 1 -6.51252 -16.5677 0 0 1 0
Molecules
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 2
16 2
17 2
18 2
19 2
20 2
21 2
22 2
23 2
24 2
25 2
26 2
27 2
28 2
29 3
30 3
31 3
32 3
33 3
34 3
35 3
36 3
37 3
38 3
39 3
40 3
41 3
42 3
43 4
44 4
45 4
46 4
47 4
48 4
49 4
50 4
51 4
52 4
53 4
54 4
55 4
56 4
57 5
58 5
59 5
60 5
61 5
62 5
63 5
64 5
65 5
66 5
67 5
68 5
69 5
70 5
71 6
72 6
73 6
74 6
75 6
76 6
77 6
78 6
79 6
80 6
81 6
82 6
83 6
84 6
85 7
86 7
87 7
88 7
89 7
90 7
91 7
92 7
93 7
94 7
95 7
96 7
97 7
98 7
99 8
100 8
101 8
102 8
103 8
104 8
105 8
106 8
107 8
108 8
109 8
110 8
111 8
112 8
113 9
114 9
115 9
116 9
117 9
118 9
119 9
120 9
121 9
122 9
123 9
124 9
125 9
126 9
127 10
128 10
129 10
130 10
131 10
132 10
133 10
134 10
135 10
136 10
137 10
138 10
139 10
140 10
141 11
142 11
143 11
144 11
145 11
146 11
147 11
148 11
149 11
150 11
151 11
152 11
153 11
154 11
155 12
156 12
157 12
158 12
159 12
160 12
161 12
162 12
163 12
164 12
165 12
166 12
167 12
168 12
169 13
170 13
171 13
172 13
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174 13
175 13
176 13
177 13
178 13
179 13
180 13
181 13
182 13
183 14
184 14
185 14
186 14
187 14
188 14
189 14
190 14
191 14
192 14
193 14
194 14
195 14
196 14
197 15
198 15
199 15
200 15
201 15
202 15
203 15
204 15
205 15
206 15
207 15
208 15
209 15
210 15
211 16
212 16
213 16
214 16
215 16
216 16
217 16
218 16
219 16
220 16
221 16
222 16
223 16
224 16
225 17
226 17
227 17
228 17
229 17
230 17
231 17
232 17
233 17
234 17
235 17
236 17
237 17
238 17
239 18
240 18
241 18
242 18
243 18
244 18
245 18
246 18
247 18
248 18
249 18
250 18
251 18
252 18
253 19
254 19
255 19
256 19
257 19
258 19
259 19
260 19
261 19
262 19
263 19
264 19
265 19
266 19
267 20
268 20
269 20
270 20
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272 20
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278 20
279 20
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281 21
282 21
283 21
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288 21
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297 22
298 22
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302 22
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306 22
307 22
308 22
309 23
310 23
311 23
312 23
313 23
314 23
315 23
316 23
317 23
318 23
319 23
320 23
321 23
322 23
323 24
324 24
325 24
326 24
327 24
328 24
329 24
330 24
331 24
332 24
333 24
334 24
335 24
336 24
337 25
338 25
339 25
340 25
341 25
342 25
343 25
344 25
345 25
346 25
347 25
348 25
349 25
350 25
351 26
352 26
353 26
354 26
355 26
356 26
357 26
358 26
359 26
360 26
361 26
362 26
363 26
364 26
365 27
366 27
367 27
368 27
369 27
370 27
371 27
372 27
373 27
374 27
375 27
376 27
377 27
378 27
379 28
380 28
381 28
382 28
383 28
384 28
385 28
386 28
387 28
388 28
389 28
390 28
391 28
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393 29
394 29
395 29
396 29
397 29
398 29
399 29
400 29
401 29
402 29
403 29
404 29
405 29
406 29
407 30
408 30
409 30
410 30
411 30
412 30
413 30
414 30
415 30
416 30
417 30
418 30
419 30
420 30

107
examples/ASPHERE/box/in.box Normal file
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# SRD diffusion demo - rigid box particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.box fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.box.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 1.0
delete_atoms overlap 1.0 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.box
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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# SRD viscosity demo - rigid box particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.box fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.box.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 1.0
delete_atoms overlap 1.0 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.box.mp
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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LAMMPS (9 Sep 2013)
# SRD diffusion demo - rigid box particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.box fix molprop NULL Molecules
orthogonal box = (-19.1447 -19.1447 -0.5) to (19.1447 19.1447 0.5)
4 by 2 by 1 MPI processor grid
420 atoms
set type 1 mass 1.0
420 settings made for mass
group big type 1
420 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
30 rigid bodies with 420 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.box.equil
thermo 100
run 1000
Memory usage per processor = 0.443016 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 0 0 0 -8.770036
100 0 3.4203218 0 3.4203218 0.49351517
200 0 5.3315601 0 5.3315601 0.26965614
300 0 7.2094878 0 7.2094878 0.43326479
400 0 9.2008598 0 9.2008598 0.27649318
500 0 11.562353 0 11.562353 0.60730421
600 0 13.731564 0 13.731564 0.27272312
700 0 15.850142 0 15.850142 0.0032862218
800 0 18.395444 0 18.395444 1.0272658
900 0 20.3322 0 20.3322 -0.16729762
1000 0 22.600716 0 22.600716 -0.13023705
Loop time of 0.0545385 on 8 procs for 1000 steps with 420 atoms
Pair time (%) = 0.00437456 (8.02105)
Neigh time (%) = 0.00148079 (2.71512)
Comm time (%) = 0.0152201 (27.9071)
Outpt time (%) = 0.000281721 (0.516555)
Other time (%) = 0.0331814 (60.8402)
Nlocal: 52.5 ave 67 max 35 min
Histogram: 1 1 1 0 1 0 0 1 1 2
Nghost: 30.625 ave 41 max 17 min
Histogram: 1 0 0 1 1 1 2 0 1 1
Neighs: 70.25 ave 90 max 44 min
Histogram: 2 0 0 1 1 0 1 0 0 3
Total # of neighbors = 562
Ave neighs/atom = 1.3381
Neighbor list builds = 158
Dangerous builds = 0
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 124609 atoms
set type 2 mass 0.1
124609 settings made for mass
group small type 2
124609 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 1.0
delete_atoms overlap 1.0 small big
Deleted 51030 atoms, new total = 73999
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
30 rigid bodies with 420 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.box
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 73579 420
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 153 153 1
SRD grid size: request, actual (xyz) = 0.25, 0.250257 0.250257 1
SRD per actual grid cell = 4.05573
SRD viscosity = 0.229297
big/SRD mass density ratio = 0.196614
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19668 7.72762
ave/max big velocity = 2.12757 5.83591
Memory usage per processor = 13.4256 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 27.381112 0 0.25599398 42.234595 45.103092 0.74047865 0 0 0 0 0 0 0 0 0 0 0 0
1000 3.4640099 17794 0.24158286 42.201127 42.564024 10.312083 10282 38 38 0 958 90440 23409 17794 0.83363455 0 69 0
2000 1.8731193 17757 0.24043583 42.165699 42.361931 8.6094692 10336 34 34 0 1779 90440 23409 17757 0.83414447 0 69 0
3000 1.2193752 17775 0.24002443 42.161704 42.289448 9.6884156 10041 43 43 0 2420 90440 23409 17775 0.84700093 0 69 0
4000 1.1297717 17824 0.23999784 42.166405 42.284762 10.426248 10121 39 39 0 3126 90440 23409 17824 0.85633304 0 69 0
5000 1.1615474 17837 0.24000689 42.164671 42.286357 9.7517646 10150 27 27 0 3852 90440 23409 17837 0.85320758 0 69 0
6000 0.90652092 17750 0.23996236 42.183542 42.278511 16.586628 9996 56 56 0 4564 90440 23409 17750 0.86506192 0 69 0
7000 0.83910042 17804 0.23978466 42.159296 42.247202 10.856698 10135 40 40 0 5229 90440 23409 17804 0.85548326 0 69 0
8000 0.99144403 17793 0.23987007 42.158385 42.262251 9.5637223 10222 32 32 0 5954 90440 23409 17793 0.86291538 0 69 0
9000 1.1109778 17818 0.2398755 42.14682 42.263208 10.917584 10423 42 42 0 6692 90440 23409 17818 0.86552775 0 69 0
10000 1.0782518 17840 0.23985498 42.146632 42.259591 8.85358 10308 36 36 0 7397 90440 23409 17840 0.86462939 0 69 0
11000 1.0268236 17833 0.23980517 42.143244 42.250816 12.172006 10254 44 44 0 8080 90440 23409 17833 0.861416 0 69 0
12000 1.060866 17842 0.23979196 42.137351 42.248489 10.419562 10353 34 34 0 8810 90440 23409 17842 0.86289215 0 69 0
13000 1.1876599 17763 0.23989166 42.141633 42.266054 7.8240476 10268 34 34 0 9525 90440 23409 17763 0.87071361 0 69 0
14000 0.95206604 17823 0.23970806 42.133967 42.233707 12.293388 10359 40 40 0 10306 90440 23409 17823 0.86909841 0 69 0
15000 1.1155458 17822 0.23974949 42.124139 42.241006 12.521383 10256 36 36 0 11029 90440 23409 17822 0.87234166 0 69 0
16000 1.1574448 17829 0.2398005 42.128737 42.249993 8.5872634 10044 38 38 0 11766 90440 23409 17829 0.87292148 0 69 0
17000 0.87868625 17815 0.23968874 42.13825 42.230303 10.488609 10092 37 37 0 12571 90440 23409 17815 0.87070803 0 69 0
18000 1.1008021 17797 0.23970316 42.117521 42.232843 8.91155 9964 31 31 0 13349 90440 23409 17797 0.87684173 0 69 0
19000 0.90843127 17832 0.23953614 42.108247 42.203416 10.681924 10353 33 33 0 14070 90440 23409 17832 0.87489631 0 69 0
20000 1.1525128 17827 0.23958362 42.091043 42.211782 10.324591 10318 42 42 0 14891 90440 23409 17827 0.87472282 0 69 0
21000 0.97088045 17831 0.23963415 42.118973 42.220685 8.9525609 10150 23 23 0 15681 90440 23409 17831 0.8744301 0 69 0
22000 0.86024198 17818 0.23946932 42.101523 42.191644 12.817308 9929 47 47 0 16514 90440 23409 17818 0.87940492 0 69 0
23000 1.0365388 17841 0.23960538 42.107025 42.215615 8.3943475 10190 36 36 0 17300 90440 23409 17841 0.88076259 0 69 0
24000 1.0134969 17828 0.23957307 42.103748 42.209924 11.013413 10329 40 40 0 18153 90440 23409 17828 0.87875237 0 69 0
25000 0.90091994 17843 0.23954136 42.109953 42.204335 13.312428 10143 45 45 0 18852 90440 23409 17843 0.87388578 0 69 0
26000 1.0221933 17846 0.23961351 42.10996 42.217047 9.2279785 10329 35 35 0 19615 90440 23409 17846 0.87558424 0 69 0
27000 0.93940255 17835 0.23950604 42.099699 42.198112 13.504134 10291 39 39 0 20431 90440 23409 17835 0.87190502 0 69 0
28000 1.0710516 17829 0.23960837 42.103937 42.216142 7.9022268 10251 35 35 0 21197 90440 23409 17829 0.87583025 0 69 0
29000 0.83696568 17783 0.23958234 42.123874 42.211556 9.8273998 10121 47 47 0 22044 90440 23409 17783 0.8820577 0 69 0
30000 1.0180681 17800 0.2396419 42.115395 42.22205 11.18041 10160 39 39 0 22803 90440 23409 17800 0.87992368 0 69 0
31000 1.233447 17832 0.23970136 42.103307 42.232526 11.388978 10169 45 45 0 23608 90440 23409 17832 0.87847887 0 69 0
32000 0.96295204 17849 0.23957991 42.110247 42.211128 12.911795 10118 41 41 0 24364 90440 23409 17849 0.87317056 0 69 0
33000 1.0254742 17836 0.23958855 42.10522 42.21265 11.197726 10202 43 43 0 25162 90440 23409 17836 0.87655301 0 69 0
34000 1.0255122 17812 0.23948733 42.087383 42.194817 10.238978 10253 42 42 0 25996 90440 23409 17812 0.87150515 0 69 0
35000 1.0719997 17824 0.23953256 42.090481 42.202785 9.1594527 10190 37 37 0 26786 90440 23409 17824 0.86960071 0 69 0
36000 0.86929827 17801 0.2394198 42.091849 42.182919 12.021567 10145 36 36 0 27586 90440 23409 17801 0.87124989 0 69 0
37000 0.9195314 17801 0.23946164 42.093958 42.19029 11.122704 10083 42 43 0 28321 90440 23409 17801 0.87692574 0 69 0
38000 0.88209926 17821 0.23936949 42.081644 42.174055 9.3732038 10239 37 37 0 29094 90440 23409 17821 0.87364127 0 69 0
39000 1.0463087 17819 0.23943558 42.076086 42.185699 11.373309 10300 44 44 0 29804 90440 23409 17819 0.87650979 0 69 0
40000 0.97425688 17807 0.2394417 42.084711 42.186776 13.415635 10171 50 50 0 30544 90440 23409 17807 0.87219589 0 69 0
41000 1.0314516 17853 0.23945459 42.080991 42.189047 9.7139261 10050 38 38 0 31307 90440 23409 17853 0.87283313 0 69 0
42000 1.0804164 17808 0.23949436 42.082868 42.196055 12.340256 10377 35 35 0 32052 90440 23409 17808 0.87185243 0 69 0
43000 1.0687043 17835 0.2394289 42.072563 42.184523 12.276278 10187 41 42 0 32870 90440 23409 17835 0.87231717 0 69 0
44000 1.0355523 17787 0.23942635 42.075587 42.184073 13.512133 10013 38 38 0 33661 90440 23409 17787 0.87400868 0 69 0
45000 1.194095 17794 0.23944632 42.062495 42.187591 10.205101 10159 30 30 0 34402 90440 23409 17794 0.8739309 0 69 0
46000 0.84466181 17796 0.23920256 42.056156 42.144644 10.087591 9986 38 38 1 35149 90440 23409 17796 0.87869701 0 69 0
47000 0.93714931 17806 0.239206 42.047072 42.14525 13.876772 10228 47 47 0 35938 90440 23409 17806 0.87830705 0 69 0
48000 0.72949249 17796 0.23910309 42.050694 42.127117 9.8468313 10017 47 47 0 36668 90440 23409 17796 0.87327264 0 69 0
49000 1.0645999 17790 0.23930769 42.051637 42.163166 7.4358626 10277 32 32 0 37413 90440 23409 17790 0.8752094 0 69 0
50000 0.83794425 17817 0.23913221 42.044463 42.132248 8.9803438 10132 31 33 0 38183 90440 23409 17817 0.87857184 0 69 0
51000 1.062864 17789 0.23932593 42.055033 42.166381 17.329071 9926 42 42 1 38978 90440 23409 17789 0.8802125 0 69 0
52000 1.1722666 17829 0.23941856 42.059892 42.1827 10.825667 10158 44 44 0 39819 90440 23409 17829 0.87723184 0 69 0
53000 1.0628181 17744 0.23938195 42.064907 42.17625 11.797173 10008 34 34 0 40601 90440 23409 17744 0.87283218 0 69 0
54000 0.99372853 17841 0.23927037 42.052486 42.156591 12.17125 10068 45 45 0 41361 90440 23409 17841 0.86254752 0 69 0
55000 0.98975398 17807 0.23931559 42.06087 42.164558 9.4176785 10050 40 40 0 42113 90440 23409 17807 0.86704764 0 69 0
56000 1.2416282 17834 0.23940795 42.050755 42.180831 10.979518 10103 32 32 0 42836 90440 23409 17834 0.87721916 0 69 0
57000 1.1624419 17798 0.23935794 42.050239 42.172019 12.160453 10291 47 47 0 43564 90440 23409 17798 0.86494273 0 69 0
58000 0.76060878 17840 0.23906489 42.040706 42.120388 10.124046 10057 41 41 0 44303 90440 23409 17840 0.87205383 0 69 0
59000 0.8928696 17800 0.23908927 42.031144 42.124683 9.5453786 10054 40 40 0 45052 90440 23409 17800 0.87434651 0 69 0
60000 0.94592548 17794 0.23911586 42.03027 42.129367 9.2638612 10243 36 36 0 45825 90440 23409 17794 0.87526045 0 69 0
61000 1.1130865 17809 0.23930525 42.046126 42.162735 10.750849 10002 35 35 0 46608 90440 23409 17809 0.8747269 0 69 0
62000 1.211348 17822 0.2392555 42.027069 42.153972 7.371417 10008 24 24 0 47366 90440 23409 17822 0.87452709 0 69 0
63000 0.80855346 17834 0.23891571 42.009398 42.094104 9.812354 10122 34 34 0 48089 90440 23409 17834 0.86767806 0 69 0
64000 1.0823604 17785 0.23907804 42.009314 42.122704 12.694543 9780 40 40 0 48834 90440 23409 17785 0.87010421 0 69 0
65000 1.1681262 17819 0.23899593 41.985863 42.108239 13.521338 9939 50 50 0 49566 90440 23409 17819 0.87537564 0 69 0
66000 1.0903421 17856 0.23903071 42.00014 42.114366 12.301665 9888 40 40 0 50342 90440 23409 17856 0.87239173 0 69 0
67000 1.118394 17844 0.23901798 41.994958 42.112123 8.8459568 9818 25 25 0 51083 90440 23409 17844 0.86584906 0 69 0
68000 0.93948628 17859 0.23892088 41.996592 42.095014 14.068409 9749 43 44 0 51827 90440 23409 17859 0.87202088 0 69 0
69000 0.990697 17820 0.2389651 41.999019 42.102807 10.194771 9842 40 40 0 52556 90440 23409 17820 0.87288445 0 69 0
70000 1.1688722 17813 0.2391014 42.004367 42.12682 8.7519297 9844 29 29 0 53315 90440 23409 17813 0.86525878 0 69 0
71000 1.1452575 17818 0.23899789 41.988604 42.108583 8.7612004 9845 40 40 0 54037 90440 23409 17818 0.86500198 0 69 0
72000 0.72969657 17836 0.23879062 41.99562 42.072064 11.153851 9829 38 38 0 54737 90440 23409 17836 0.86237278 0 69 0
73000 1.3107884 17813 0.23912958 41.994464 42.131785 10.862806 9844 40 40 0 55443 90440 23409 17813 0.86460503 0 69 0
74000 1.1126473 17809 0.23897768 41.98846 42.105023 9.663087 10106 35 35 0 56166 90440 23409 17809 0.87193847 0 69 0
75000 1.0693301 17794 0.23895603 41.989183 42.101208 8.9374157 10022 32 32 0 56941 90440 23409 17794 0.86326628 0 69 0
76000 0.74083943 17831 0.23870905 41.98008 42.057692 7.4143173 10015 37 37 0 57653 90440 23409 17831 0.86354244 0 69 0
77000 0.98084748 17842 0.23886095 41.9817 42.084455 9.4554943 9716 31 31 0 58336 90440 23409 17842 0.8620535 0 69 0
78000 0.91225901 17815 0.23882673 41.982857 42.078427 13.333677 9926 43 43 1 59053 90440 23409 17815 0.8676841 0 69 0
79000 1.1488535 17820 0.2389454 41.978979 42.099335 10.298772 9750 29 29 0 59744 90440 23409 17820 0.86385906 0 69 0
80000 0.84064371 17821 0.23872693 41.972776 42.060843 9.8779227 9978 30 30 0 60450 90440 23409 17821 0.8629371 0 69 0
81000 1.0935129 17803 0.23886127 41.969953 42.084512 7.1940139 9938 35 35 0 61155 90440 23409 17803 0.86416591 0 69 0
82000 1.0216631 17879 0.23884983 41.975465 42.082497 8.6808843 9987 36 36 0 61901 90440 23409 17879 0.87201261 0 69 0
83000 1.1155302 17808 0.23890657 41.975628 42.092493 11.387186 10066 49 49 0 62668 90440 23409 17808 0.8655501 0 69 0
84000 1.2958273 17773 0.23908145 41.987553 42.123306 11.222215 9969 44 44 0 63341 90440 23409 17773 0.86573453 0 69 0
85000 0.74628215 17829 0.23869483 41.977005 42.055187 11.073853 9949 43 43 0 64140 90440 23409 17829 0.86391947 0 69 0
86000 0.80359232 17803 0.23872195 41.97578 42.059966 9.6085498 9716 31 31 0 64837 90440 23409 17803 0.865418 0 69 0
87000 1.1098155 17802 0.23884012 41.96452 42.080786 13.693733 9576 45 45 0 65543 90440 23409 17802 0.86275585 0 69 0
88000 1.1138796 17818 0.23881314 41.95934 42.076033 11.517335 9714 36 36 0 66248 90440 23409 17818 0.85491105 0 69 0
89000 0.93926562 17840 0.2387707 41.970156 42.068555 9.6487297 9615 46 46 0 66962 90440 23409 17840 0.85885199 0 69 0
90000 1.0870662 17806 0.2388668 41.971603 42.085486 7.4390878 9564 31 31 0 67698 90440 23409 17806 0.86503288 0 69 0
91000 1.0454873 17807 0.2388344 41.970251 42.079778 12.514272 9645 46 46 1 68392 90440 23409 17807 0.86550889 0 69 0
92000 0.9113326 17794 0.23875573 41.970444 42.065917 7.9745011 9858 31 31 0 69167 90440 23409 17794 0.86294582 0 69 0
93000 0.78689269 17806 0.23871392 41.976114 42.05855 7.7081978 9499 35 35 0 69893 90440 23409 17806 0.87091194 0 69 0
94000 1.0352085 17794 0.23883458 41.971359 42.079809 14.612099 9789 43 43 0 70667 90440 23409 17794 0.87298934 0 69 0
95000 0.91726046 17789 0.2387641 41.971297 42.067391 10.210387 9513 38 38 0 71405 90440 23409 17789 0.87024642 0 69 0
96000 0.81485499 17819 0.23874488 41.97864 42.064006 11.759393 9924 42 42 0 72083 90440 23409 17819 0.87063449 0 69 0
97000 1.3260071 17811 0.23919656 42.004672 42.143587 9.8667031 9417 44 44 0 72818 90440 23409 17811 0.8655796 0 69 0
98000 1.0837996 17805 0.2389241 41.982041 42.095581 7.1836799 9975 23 23 0 73551 90440 23409 17805 0.86800841 0 69 0
99000 1.1892528 17831 0.23911593 42.004792 42.12938 9.6721123 9972 36 36 0 74319 90440 23409 17831 0.87381766 0 69 0
100000 0.85151797 17820 0.23885094 41.993485 42.082692 12.111833 9709 33 33 0 75042 90440 23409 17820 0.86631253 0 69 0
Loop time of 61.6618 on 8 procs for 100000 steps with 73999 atoms
Pair time (%) = 0.679072 (1.10128)
Neigh time (%) = 3.89789 (6.3214)
Comm time (%) = 3.42736 (5.55832)
Outpt time (%) = 0.0100309 (0.0162676)
Other time (%) = 53.6475 (87.0027)
Nlocal: 9249.88 ave 10571 max 6409 min
Histogram: 1 0 0 0 1 0 2 1 0 3
Nghost: 66.625 ave 92 max 38 min
Histogram: 1 0 2 0 0 2 0 1 0 2
Neighs: 345.875 ave 740 max 150 min
Histogram: 3 1 0 0 2 1 0 0 0 1
Total # of neighbors = 2767
Ave neighs/atom = 0.0373924
Neighbor list builds = 5000
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

View File

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LAMMPS (9 Sep 2013)
# SRD viscosity demo - rigid box particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.box fix molprop NULL Molecules
orthogonal box = (-19.1447 -19.1447 -0.5) to (19.1447 19.1447 0.5)
4 by 2 by 1 MPI processor grid
420 atoms
set type 1 mass 1.0
420 settings made for mass
group big type 1
420 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
30 rigid bodies with 420 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.box.equil
thermo 100
run 1000
Memory usage per processor = 0.443016 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 0 0 0 -8.770036
100 0 3.4203218 0 3.4203218 0.49351517
200 0 5.3315601 0 5.3315601 0.26965614
300 0 7.2094878 0 7.2094878 0.43326479
400 0 9.2008598 0 9.2008598 0.27649318
500 0 11.562353 0 11.562353 0.60730421
600 0 13.731564 0 13.731564 0.27272312
700 0 15.850142 0 15.850142 0.0032862218
800 0 18.395444 0 18.395444 1.0272658
900 0 20.3322 0 20.3322 -0.16729762
1000 0 22.600716 0 22.600716 -0.13023705
Loop time of 0.0532217 on 8 procs for 1000 steps with 420 atoms
Pair time (%) = 0.00440922 (8.28463)
Neigh time (%) = 0.00149104 (2.80156)
Comm time (%) = 0.0167182 (31.4124)
Outpt time (%) = 0.000243604 (0.457716)
Other time (%) = 0.0303596 (57.0437)
Nlocal: 52.5 ave 67 max 35 min
Histogram: 1 1 1 0 1 0 0 1 1 2
Nghost: 30.625 ave 41 max 17 min
Histogram: 1 0 0 1 1 1 2 0 1 1
Neighs: 70.25 ave 90 max 44 min
Histogram: 2 0 0 1 1 0 1 0 0 3
Total # of neighbors = 562
Ave neighs/atom = 1.3381
Neighbor list builds = 158
Dangerous builds = 0
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 124609 atoms
set type 2 mass 0.1
124609 settings made for mass
group small type 2
124609 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 1.0
delete_atoms overlap 1.0 small big
Deleted 51030 atoms, new total = 73999
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
30 rigid bodies with 420 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.box.mp
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 73579 420
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 153 153 1
SRD grid size: request, actual (xyz) = 0.25, 0.250257 0.250257 1
SRD per actual grid cell = 4.05573
SRD viscosity = 0.229297
big/SRD mass density ratio = 0.196614
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19668 7.72762
ave/max big velocity = 2.12757 5.83591
Memory usage per processor = 13.4256 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 27.381112 0 0.25599398 42.234595 45.103092 0.74047865 0 0 0 0 0 0 0 0 0 0 0 0
1000 3.0049838 17777 0.24126663 42.1935 42.508307 10.275827 10158 39 39 0 969 90440 23409 17777 0.82992658 0 5 0
2000 2.0594027 17777 0.24067675 42.188632 42.404379 11.627774 10292 36 36 0 1771 90440 23409 17777 0.83080952 0 5 0
3000 2.4040501 17797 0.24079277 42.172967 42.42482 10.156226 10095 36 36 0 2459 90440 23409 17797 0.83998735 0 5 0
4000 2.2632838 17786 0.24072895 42.17647 42.413576 8.3000432 10226 39 39 0 3110 90440 23409 17786 0.84926739 0 11 0
5000 2.1615321 17771 0.2406319 42.17003 42.396476 12.614305 10146 42 42 0 3839 90440 23409 17771 0.84253705 0 12 0
6000 2.3404925 17788 0.24071728 42.166325 42.41152 8.4651458 10135 26 26 1 4611 90440 23409 17788 0.85083081 0 12 0
7000 2.7255145 17818 0.24092294 42.162224 42.447755 11.46372 10080 38 38 0 5374 90440 23409 17818 0.85293665 0 12 0
8000 3.365919 17803 0.24133267 42.167324 42.519944 9.3928156 9855 37 37 0 6193 90440 23409 17803 0.86064998 0 12 0
9000 3.9996052 17822 0.24169619 42.164986 42.583992 11.684546 10254 45 45 0 7098 90440 23409 17822 0.85610583 0 12 0
10000 3.7140801 17805 0.24148598 42.157861 42.546956 9.1699669 10100 26 26 0 7937 90440 23409 17805 0.85065679 0 12 0
11000 4.3731562 17827 0.24205487 42.189047 42.647187 9.2341771 10070 41 41 0 8764 90440 23409 17827 0.85807862 0 12 0
12000 4.1186516 17820 0.24193208 42.194074 42.625552 11.406041 10255 39 39 0 9655 90440 23409 17820 0.85643788 0 12 0
13000 4.762793 17824 0.24236854 42.203492 42.702451 12.157288 10474 47 47 1 10593 90440 23409 17824 0.85306532 0 12 0
14000 4.5224167 17792 0.24219742 42.198524 42.672301 7.1302951 10288 23 23 0 11429 90440 23409 17792 0.86236239 0 12 0
15000 5.1569684 17782 0.24264166 42.210318 42.750572 10.214491 10093 33 33 0 12370 90440 23409 17782 0.86348982 0 12 0
16000 6.5556642 17850 0.24347578 42.210751 42.897534 11.002602 10037 40 40 0 13271 90440 23409 17850 0.85200011 0 12 0
17000 5.5387674 17824 0.24266758 42.174887 42.755139 10.385285 10397 36 36 0 14175 90440 23409 17824 0.85533339 0 12 0
18000 5.6130858 17801 0.24266531 42.166701 42.754738 9.2072479 10173 31 31 0 15091 90440 23409 17801 0.85880719 0 12 0
19000 6.3690838 17731 0.24305026 42.155324 42.822562 11.000565 9904 35 35 0 16055 90440 23409 17731 0.8568314 0 12 0
20000 6.5345137 17804 0.24301313 42.131453 42.816021 8.6244348 10271 39 39 0 17065 90440 23409 17804 0.86184074 0 12 0
21000 7.8000849 17796 0.24367166 42.114894 42.932046 10.5203 10324 34 34 0 18083 90440 23409 17796 0.85189595 0 12 0
22000 7.2889302 17808 0.24348814 42.13611 42.899712 12.592106 10316 40 40 0 19144 90440 23409 17808 0.8551435 0 12 0
23000 8.0622172 17796 0.24398439 42.142531 42.987144 10.997293 10207 44 44 0 20246 90440 23409 17796 0.85458036 0 12 0
24000 9.1284316 17847 0.24461098 42.141231 43.097543 14.324353 10266 39 39 0 21367 90440 23409 17847 0.84705694 0 12 0
25000 9.0312955 17813 0.24455129 42.140891 43.087027 9.8503895 10026 38 38 0 22521 90440 23409 17813 0.84644311 0 12 0
26000 9.4732213 17795 0.24480929 42.140049 43.132482 7.2348444 10154 30 30 1 23615 90440 23409 17795 0.85372054 0 12 0
27000 9.8524378 17798 0.24513826 42.158283 43.190443 8.8910315 9894 27 27 0 24683 90440 23409 17798 0.84368629 0 12 0
28000 9.839534 17794 0.24506721 42.147117 43.177925 8.6536124 9936 36 36 0 25855 90440 23409 17794 0.85902123 0 20 0
29000 9.8880033 17788 0.24525763 42.175588 43.211474 12.57859 10393 54 54 0 26999 90440 23409 17788 0.8525183 0 20 0
30000 9.9944497 17784 0.24531874 42.175204 43.222242 7.6191563 10160 30 30 0 28150 90440 23409 17784 0.8525876 0 20 0
31000 9.4091213 17817 0.24497685 42.176287 43.162004 9.447269 10174 37 37 0 29298 90440 23409 17817 0.85820536 0 20 0
32000 9.8338203 17830 0.24533925 42.195645 43.225855 10.392617 10157 41 41 0 30497 90440 23409 17830 0.84673558 0 20 0
33000 10.170531 17841 0.24537715 42.167048 43.232533 9.4789613 10317 30 30 0 31653 90440 23409 17841 0.84189893 0 20 0
34000 9.3223103 17813 0.24482667 42.158922 43.135545 11.041395 10308 42 42 0 32824 90440 23409 17813 0.84966151 0 20 0
35000 10.3926 17793 0.24553346 42.171325 43.260073 9.9878588 10055 46 46 0 34035 90440 23409 17793 0.84654238 0 20 0
36000 9.0321397 17754 0.24478751 42.182421 43.128645 9.8056393 10047 34 34 0 35216 90440 23409 17754 0.84780342 0 20 0
37000 10.558279 17810 0.2457091 42.184913 43.291018 10.775504 10226 32 32 0 36453 90440 23409 17810 0.84924776 0 20 0
38000 10.020575 17810 0.2455366 42.210852 43.260627 9.1515261 10348 37 37 0 37802 90440 23409 17810 0.84427762 0 20 0
39000 9.9512554 17827 0.24554005 42.218721 43.261233 9.2917714 10326 33 33 0 39048 90440 23409 17827 0.84214883 0 20 0
40000 9.8735348 17774 0.24552032 42.223387 43.257758 11.642544 10168 29 29 0 40364 90440 23409 17774 0.84500349 0 20 0
41000 10.365156 17804 0.24566955 42.198177 43.284051 11.008578 10300 42 42 0 41686 90440 23409 17804 0.84403351 0 20 0
42000 10.226635 17818 0.24555953 42.193305 43.264667 9.4647805 10114 31 31 0 42984 90440 23409 17818 0.84572892 0 20 0
43000 9.8210408 17796 0.24514315 42.162435 43.191305 11.789151 10485 49 49 0 44223 90440 23409 17796 0.84076768 0 20 0
44000 7.9254401 17772 0.24398374 42.156747 42.987031 10.041925 10224 32 33 0 45547 90440 23409 17772 0.8483164 0 20 0
45000 8.5724312 17801 0.24441451 42.164862 43.062926 10.851835 10248 45 45 0 46831 90440 23409 17801 0.84635099 0 20 0
46000 9.5815129 17740 0.24508371 42.177055 43.180832 8.5573763 9951 29 29 1 48174 90440 23409 17740 0.84142197 0 20 0
47000 9.2724336 17815 0.24490579 42.178087 43.149485 10.749442 10324 41 41 0 49494 90440 23409 17815 0.84305403 0 20 0
48000 9.8698295 17829 0.2453373 42.19153 43.225512 10.992529 10010 44 44 0 50894 90440 23409 17829 0.84635867 0 20 0
49000 9.8650214 17775 0.24527147 42.180435 43.213913 9.9258034 10084 40 40 0 52221 90440 23409 17775 0.83690751 0 20 0
50000 11.52467 17800 0.24636922 42.199977 43.407323 9.5477158 10105 32 32 0 53667 90440 23409 17800 0.84402538 0 20 0
51000 9.5447655 17779 0.24527025 42.213771 43.213698 9.7717222 9994 39 39 1 54997 90440 23409 17779 0.83802916 0 20 0
52000 9.9738008 17814 0.24545383 42.201169 43.246043 9.9256895 10405 27 27 0 56351 90440 23409 17814 0.84021845 0 20 0
53000 10.294974 17805 0.24553341 42.181543 43.260064 10.07833 10251 43 43 0 57678 90440 23409 17805 0.83588955 0 20 0
54000 11.00851 17818 0.24588587 42.16889 43.322163 10.905345 10010 38 38 0 59118 90440 23409 17818 0.83044357 0 20 0
55000 12.200856 17797 0.24645934 42.145016 43.423201 10.929419 10103 45 45 0 60512 90440 23409 17797 0.83533437 0 20 0
56000 10.240644 17782 0.24544908 42.172377 43.245207 12.311462 9968 39 39 0 61888 90440 23409 17782 0.8334708 0 20 0
57000 11.858526 17799 0.24642127 42.174172 43.416493 11.602562 9675 44 44 0 63241 90440 23409 17799 0.83579075 0 20 0
58000 9.9579114 17781 0.24522905 42.16323 43.206439 9.8939621 9920 47 47 0 64565 90440 23409 17781 0.83252812 0 20 0
59000 9.4966125 17793 0.24495112 42.162588 43.157471 10.243383 9951 39 39 1 65879 90440 23409 17793 0.82795782 0 20 0
60000 9.3889539 17763 0.24483753 42.153854 43.137459 6.7498755 9893 26 26 0 67171 90440 23409 17763 0.83255788 0 98 0
61000 9.8219129 17760 0.24497944 42.133499 43.162462 10.026948 10063 39 39 0 68464 90440 23409 17760 0.83382901 0 98 0
62000 8.9772784 17744 0.24430051 42.102364 43.042841 6.7992672 9830 31 31 0 69793 90440 23409 17744 0.83040933 0 98 0
63000 9.4555226 17778 0.2446845 42.119917 43.110495 9.3613489 9507 33 33 0 71025 90440 23409 17778 0.81990914 0 98 0
64000 10.822236 17791 0.24553255 42.126154 43.259912 10.978102 9950 44 44 0 72302 90440 23409 17791 0.8205428 0 98 0
65000 10.643375 17749 0.24553889 42.146009 43.261029 9.8170035 9751 33 33 0 73657 90440 23409 17749 0.81737668 0 98 0
66000 10.65446 17802 0.24577045 42.185645 43.301827 10.068015 9838 38 38 0 74926 90440 23409 17802 0.82017685 0 98 0
67000 11.320004 17810 0.24637556 42.222536 43.408441 13.28653 9779 39 39 0 76258 90440 23409 17810 0.82794931 0 98 0
68000 11.235171 17769 0.2461615 42.193708 43.370726 11.789643 9847 37 37 0 77534 90440 23409 17769 0.81709561 0 98 0
69000 10.833468 17779 0.2459244 42.194017 43.328952 9.0530182 9896 39 39 0 78894 90440 23409 17779 0.82041697 0 98 0
70000 11.565202 17794 0.24641358 42.203546 43.415139 6.0770107 9643 29 29 0 80167 90440 23409 17794 0.82167076 0 98 0
71000 11.125212 17790 0.24620537 42.212956 43.378454 14.351282 9877 38 38 1 81552 90440 23409 17790 0.82508123 0 98 0
72000 12.644174 17763 0.24699557 42.193051 43.517679 10.531064 9953 42 42 0 82972 90440 23409 17763 0.82933853 0 98 0
73000 12.165673 17828 0.24657837 42.169674 43.444173 11.982241 10132 39 39 0 84372 90440 23409 17828 0.82853038 0 98 0
74000 13.565669 17790 0.24748187 42.182194 43.60336 11.810898 9964 32 32 0 85794 90440 23409 17790 0.83238035 0 98 0
75000 13.850885 17779 0.24764619 42.181266 43.632311 11.595796 9829 40 40 0 87294 90440 23409 17779 0.82452835 0 98 0
76000 13.730794 17774 0.24760357 42.186337 43.624801 10.314049 9977 39 39 0 88621 90440 23409 17774 0.82554866 0 98 0
77000 14.2192 17789 0.24787267 42.182584 43.672214 9.9780185 9834 32 32 0 90146 90440 23409 17789 0.82713865 0 98 0
78000 14.316206 17801 0.24800412 42.19558 43.695373 8.3314161 10132 38 39 0 91616 90440 23409 17801 0.82824877 0 98 0
79000 13.703006 17815 0.24778437 42.221104 43.656656 8.1390498 10001 35 35 0 93114 90440 23409 17815 0.82396879 0 98 0
80000 14.21882 17804 0.24812482 42.227048 43.716639 9.0164253 9950 41 41 0 94643 90440 23409 17804 0.83049102 0 98 0
81000 13.61083 17812 0.24765862 42.208604 43.634501 8.7498353 10205 30 30 0 96165 90440 23409 17812 0.83215993 0 98 0
82000 14.24814 17780 0.24806178 42.212871 43.705533 8.9596483 9898 33 33 0 97690 90440 23409 17780 0.82682824 0 98 0
83000 13.18484 17803 0.24743025 42.212995 43.594264 12.116538 9833 39 39 0 99222 90440 23409 17803 0.82225356 0 98 0
84000 12.665093 17787 0.24718115 42.223556 43.550375 7.0430872 9857 33 33 0 100749 90440 23409 17787 0.8216466 0 98 0
85000 12.22937 17748 0.24700172 42.23759 43.518762 14.858066 9924 35 35 0 102174 90440 23409 17748 0.82012834 0 98 0
86000 11.637126 17741 0.24648333 42.208301 43.427429 8.8309049 10034 38 38 0 103545 90440 23409 17741 0.82310449 0 98 0
87000 13.172172 17780 0.24761541 42.246946 43.626888 11.997785 9793 34 34 0 105003 90440 23409 17780 0.8231062 0 98 0
88000 13.867288 17774 0.2478372 42.213201 43.665964 13.008322 9930 45 45 0 106424 90440 23409 17774 0.81835323 0 98 0
89000 14.409874 17792 0.24817672 42.216177 43.725783 8.9017208 9873 33 33 0 107941 90440 23409 17792 0.812681 0 98 0
90000 14.175277 17745 0.24802753 42.21447 43.699499 7.8889612 9838 37 37 0 109384 90440 23409 17745 0.82045281 0 98 0
91000 13.80886 17809 0.24773522 42.201354 43.647996 10.153291 10077 34 34 0 110836 90440 23409 17809 0.8142495 0 98 0
92000 14.391083 17743 0.24814425 42.212425 43.720062 12.167713 9928 28 28 0 112372 90440 23409 17743 0.82301567 0 98 0
93000 13.425843 17771 0.24744975 42.191184 43.597701 10.962936 9854 29 29 0 113801 90440 23409 17771 0.81953388 0 98 0
94000 12.969876 17828 0.24733041 42.217925 43.576674 10.432208 10160 32 32 1 115320 90440 23409 17828 0.81861088 0 98 0
95000 13.550396 17812 0.24762509 42.209027 43.628593 9.1923817 10139 27 27 0 116845 90440 23409 17812 0.82254819 0 98 0
96000 14.303773 17807 0.24819751 42.230956 43.729446 8.2304906 9666 33 33 0 118316 90440 23409 17807 0.82304543 0 98 0
97000 14.027408 17825 0.24788054 42.204061 43.673599 11.160576 10211 43 43 0 119812 90440 23409 17825 0.82817945 0 98 0
98000 14.515459 17805 0.24814196 42.198993 43.71966 13.355885 10078 43 43 0 121293 90440 23409 17805 0.82291353 0 98 0
99000 13.502344 17774 0.24757651 42.205502 43.620034 9.1790624 9865 31 31 0 122780 90440 23409 17774 0.8281067 0 98 0
100000 14.173632 17761 0.24801238 42.211971 43.696828 10.204956 9866 35 35 0 124297 90440 23409 17761 0.83321256 0 98 0
Loop time of 62.3427 on 8 procs for 100000 steps with 73999 atoms
Pair time (%) = 0.637287 (1.02223)
Neigh time (%) = 3.81362 (6.11719)
Comm time (%) = 3.39013 (5.4379)
Outpt time (%) = 0.010035 (0.0160965)
Other time (%) = 54.4916 (87.4066)
Nlocal: 9249.88 ave 11502 max 7978 min
Histogram: 1 2 2 0 1 0 0 1 0 1
Nghost: 53 ave 68 max 41 min
Histogram: 3 0 0 0 0 3 0 0 1 1
Neighs: 288.625 ave 518 max 152 min
Histogram: 2 1 1 1 1 0 0 1 0 1
Total # of neighbors = 2309
Ave neighs/atom = 0.0312031
Neighbor list builds = 5000
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

View File

@ -0,0 +1,412 @@
LAMMPS data file for Nanoparticles
200 atoms
2 atom types
-9.34165202733 9.34165202733 xlo xhi
-9.34165202733 9.34165202733 ylo yhi
-0.5 0.5 zlo zhi
Atoms
1 1 1 1 -3.10486 -0.950915 0 0 0 0
2 1 1 1 -3.63859 -1.54685 0 0 0 0
3 1 1 1 6.88603 9.18501 0 0 0 0
4 1 1 1 6.31995 8.61972 0 0 0 0
5 1 1 1 -5.96916 5.60904 0 0 0 0
6 1 1 1 -5.27086 5.21869 0 0 0 0
7 1 1 1 0.706846 -2.62101 0 0 0 0
8 1 1 1 0.713613 -3.42098 0 0 0 0
9 1 1 1 1.1571 -1.88132 0 0 0 0
10 1 1 1 1.79537 -2.36362 0 0 0 0
11 1 1 1 7.06424 -3.66256 0 0 0 0
12 1 1 1 6.40541 -4.11636 0 0 0 0
13 1 1 1 1.6281 -7.5987 0 0 0 0
14 1 1 1 2.1523 -8.20302 0 0 0 0
15 1 1 1 -4.93656 3.76623 0 0 0 0
16 1 1 1 -5.34377 3.07763 0 0 0 0
17 1 1 1 -6.32136 8.81986 0 0 0 0
18 1 1 1 -6.51362 8.04331 0 0 0 0
19 1 1 1 -8.36182 -1.34514 0 0 0 0
20 1 1 1 -7.57433 -1.20422 0 0 0 0
21 1 1 1 0.761896 7.11678 0 0 0 0
22 1 1 1 1.56189 7.11405 0 0 0 0
23 1 1 1 3.04971 8.20581 0 0 0 0
24 1 1 1 3.73117 8.62487 0 0 0 0
25 1 1 1 -9.24655 0.919604 0 0 0 0
26 1 1 1 -8.61999 0.422185 0 0 0 0
27 1 1 1 3.47654 7.52517 0 0 0 0
28 1 1 1 3.88419 8.21352 0 0 0 0
29 1 1 1 -8.12416 -5.23584 0 0 0 0
30 1 1 1 -8.91222 -5.37357 0 0 0 0
31 1 1 1 1.20614 0.287681 0 0 0 0
32 1 1 1 1.05887 -0.498647 0 0 0 0
33 1 1 1 6.74904 4.83018 0 0 0 0
34 1 1 1 7.04361 5.57397 0 0 0 0
35 1 1 1 -6.89076 4.75479 0 0 0 0
36 1 1 1 -6.09243 4.80642 0 0 0 0
37 1 1 1 5.71967 4.96927 0 0 0 0
38 1 1 1 6.43406 4.60919 0 0 0 0
39 1 1 1 -4.7844 1.52053 0 0 0 0
40 1 1 1 -4.10449 1.9421 0 0 0 0
41 1 1 1 -0.278393 -8.12051 0 0 0 0
42 1 1 1 -0.676094 -7.42637 0 0 0 0
43 1 1 1 9.12239 4.80748 0 0 0 0
44 1 1 1 9.02285 4.01369 0 0 0 0
45 1 1 1 1.25863 4.31012 0 0 0 0
46 1 1 1 1.02322 3.54554 0 0 0 0
47 1 1 1 6.06446 7.96693 0 0 0 0
48 1 1 1 6.79746 7.64644 0 0 0 0
49 1 1 1 -7.12827 -7.54209 0 0 0 0
50 1 1 1 -6.60788 -6.93448 0 0 0 0
51 1 1 1 -9.09101 -0.563476 0 0 0 0
52 1 1 1 -8.30401 -0.419872 0 0 0 0
53 1 1 1 -1.14788 7.48057 0 0 0 0
54 1 1 1 -1.65618 8.09833 0 0 0 0
55 1 1 1 -9.04712 8.38759 0 0 0 0
56 1 1 1 -8.63766 9.07486 0 0 0 0
57 1 1 1 -6.16596 5.02939 0 0 0 0
58 1 1 1 -6.05435 4.23722 0 0 0 0
59 1 1 1 0.142814 8.81325 0 0 0 0
60 1 1 1 0.740918 8.28196 0 0 0 0
61 1 1 1 -9.08007 -3.52882 0 0 0 0
62 1 1 1 -8.80786 -4.28109 0 0 0 0
63 1 1 1 -8.17071 -2.76935 0 0 0 0
64 1 1 1 -8.14354 -1.96981 0 0 0 0
65 1 1 1 -7.18538 4.21884 0 0 0 0
66 1 1 1 -7.48843 3.47847 0 0 0 0
67 1 1 1 1.97647 -0.445177 0 0 0 0
68 1 1 1 2.65924 -0.0282648 0 0 0 0
69 1 1 1 -3.89062 1.94653 0 0 0 0
70 1 1 1 -4.39305 2.56907 0 0 0 0
71 1 1 1 -2.82376 -3.36281 0 0 0 0
72 1 1 1 -3.05339 -4.12915 0 0 0 0
73 1 1 1 -5.25325 5.95125 0 0 0 0
74 1 1 1 -5.92836 6.38046 0 0 0 0
75 1 1 1 -0.417047 -3.06895 0 0 0 0
76 1 1 1 -1.17149 -3.33507 0 0 0 0
77 1 1 1 7.81153 0.749356 0 0 0 0
78 1 1 1 8.27664 1.40025 0 0 0 0
79 1 1 1 5.8217 0.868095 0 0 0 0
80 1 1 1 6.39405 1.42704 0 0 0 0
81 1 1 1 -4.55751 3.48043 0 0 0 0
82 1 1 1 -5.29677 3.17466 0 0 0 0
83 1 1 1 4.88466 2.03045 0 0 0 0
84 1 1 1 4.28066 2.55503 0 0 0 0
85 1 1 1 9.10305 -2.66451 0 0 0 0
86 1 1 1 -9.32846 -3.42385 0 1 0 0
87 1 1 1 7.63902 -2.65395 0 0 0 0
88 1 1 1 8.14543 -3.27326 0 0 0 0
89 1 1 1 7.06766 -2.21634 0 0 0 0
90 1 1 1 7.83814 -2.00103 0 0 0 0
91 1 1 1 4.23888 3.49195 0 0 0 0
92 1 1 1 3.43912 3.5115 0 0 0 0
93 1 1 1 -4.86556 1.30066 0 0 0 0
94 1 1 1 -4.42725 1.9699 0 0 0 0
95 1 1 1 3.29484 -0.985779 0 0 0 0
96 1 1 1 3.71109 -1.66896 0 0 0 0
97 1 1 1 -8.73443 -4.87107 0 0 0 0
98 1 1 1 -8.87639 -5.65837 0 0 0 0
99 1 1 1 -6.36058 3.67969 0 0 0 0
100 1 1 1 -7.15698 3.75548 0 0 0 0
101 1 1 1 5.26697 0.405769 0 0 0 0
102 1 1 1 5.6903 -0.273046 0 0 0 0
103 1 1 1 -6.20073 -0.149187 0 0 0 0
104 1 1 1 -5.69507 0.470738 0 0 0 0
105 1 1 1 -5.22944 -4.905 0 0 0 0
106 1 1 1 -5.01264 -4.13493 0 0 0 0
107 1 1 1 -7.365 -6.74284 0 0 0 0
108 1 1 1 -8.13713 -6.53351 0 0 0 0
109 1 1 1 -8.50673 -7.96756 0 0 0 0
110 1 1 1 -8.2159 -7.2223 0 0 0 0
111 1 1 1 -7.36396 -7.93443 0 0 0 0
112 1 1 1 -6.73415 -8.42773 0 0 0 0
113 1 1 1 -5.64348 5.1665 0 0 0 0
114 1 1 1 -6.43991 5.09105 0 0 0 0
115 1 1 1 9.22358 5.40182 0 0 0 0
116 1 1 1 -8.90846 5.98157 0 1 0 0
117 1 1 1 -1.75563 -6.00712 0 0 0 0
118 1 1 1 -2.29051 -5.41222 0 0 0 0
119 1 1 1 3.45169 0.843932 0 0 0 0
120 1 1 1 3.78117 1.57293 0 0 0 0
121 1 1 1 3.0644 -6.45436 0 0 0 0
122 1 1 1 3.62762 -7.0225 0 0 0 0
123 1 1 1 -6.71456 -4.50165 0 0 0 0
124 1 1 1 -5.98388 -4.82738 0 0 0 0
125 1 1 1 1.38027 -6.51875 0 0 0 0
126 1 1 1 2.11513 -6.83494 0 0 0 0
127 1 1 1 4.87497 7.33007 0 0 0 0
128 1 1 1 5.47159 7.86303 0 0 0 0
129 1 1 1 -2.0439 6.70325 0 0 0 0
130 1 1 1 -2.45433 6.01655 0 0 0 0
131 1 1 1 -3.29924 1.80238 0 0 0 0
132 1 1 1 -2.98662 1.06599 0 0 0 0
133 1 1 1 -5.60541 -8.88809 0 0 0 0
134 1 1 1 -6.18332 9.24203 0 0 -1 0
135 1 1 1 -2.88234 2.32173 0 0 0 0
136 1 1 1 -3.20525 1.58979 0 0 0 0
137 1 1 1 -5.04271 -5.39036 0 0 0 0
138 1 1 1 -5.74302 -5.77709 0 0 0 0
139 1 1 1 5.69287 2.81762 0 0 0 0
140 1 1 1 6.10348 2.13104 0 0 0 0
141 1 1 1 8.00042 -0.612514 0 0 0 0
142 1 1 1 8.71994 -0.262798 0 0 0 0
143 1 1 1 -3.97629 0.742529 0 0 0 0
144 1 1 1 -3.36658 1.26047 0 0 0 0
145 1 1 1 -4.90708 -5.18588 0 0 0 0
146 1 1 1 -4.15949 -4.90107 0 0 0 0
147 1 1 1 8.69119 6.68826 0 0 0 0
148 1 1 1 8.10445 6.14443 0 0 0 0
149 1 1 1 0.639774 -8.90856 0 0 0 0
150 1 1 1 0.110051 -8.30906 0 0 0 0
151 1 1 1 2.68553 -3.09643 0 0 0 0
152 1 1 1 3.19558 -3.71275 0 0 0 0
153 1 1 1 1.08943 0.377274 0 0 0 0
154 1 1 1 1.43495 1.09881 0 0 0 0
155 1 1 1 -2.27965 5.316 0 0 0 0
156 1 1 1 -2.93006 5.7818 0 0 0 0
157 1 1 1 1.40484 -4.62045 0 0 0 0
158 1 1 1 1.94018 -4.02598 0 0 0 0
159 1 1 1 -2.30481 -6.48448 0 0 0 0
160 1 1 1 -1.53751 -6.71087 0 0 0 0
161 1 1 1 -9.21316 1.66635 0 0 0 0
162 1 1 1 9.33046 2.45406 0 -1 0 0
163 1 1 1 -1.13608 0.273721 0 0 0 0
164 1 1 1 -1.75716 0.777961 0 0 0 0
165 1 1 1 -8.80553 -4.13121 0 0 0 0
166 1 1 1 -8.64169 -4.91425 0 0 0 0
167 1 1 1 1.65687 8.8975 0 0 0 0
168 1 1 1 1.65839 -8.9858 0 0 1 0
169 1 1 1 8.36746 2.59565 0 0 0 0
170 1 1 1 9.06956 2.21219 0 0 0 0
171 1 1 1 -5.98437 -7.01768 0 0 0 0
172 1 1 1 -5.34019 -6.5433 0 0 0 0
173 1 1 1 -4.08999 -4.58535 0 0 0 0
174 1 1 1 -3.50681 -5.13298 0 0 0 0
175 1 1 1 4.12068 -2.66213 0 0 0 0
176 1 1 1 4.47739 -3.3782 0 0 0 0
177 1 1 1 -8.21813 3.61652 0 0 0 0
178 1 1 1 -7.83713 4.31997 0 0 0 0
179 1 1 1 5.3708 8.01903 0 0 0 0
180 1 1 1 4.66332 8.39249 0 0 0 0
181 1 1 1 -7.99312 -7.49248 0 0 0 0
182 1 1 1 -7.40112 -8.03055 0 0 0 0
183 1 1 1 6.52577 7.66337 0 0 0 0
184 1 1 1 5.74291 7.49865 0 0 0 0
185 1 1 1 -1.68136 9.16388 0 0 0 0
186 1 1 1 -1.62497 8.36587 0 0 0 0
187 1 1 1 -9.06593 -8.69211 0 0 0 0
188 1 1 1 9.24439 -7.98438 0 -1 0 0
189 1 1 1 -1.84034 8.97585 0 0 0 0
190 1 1 1 -1.22441 8.46534 0 0 0 0
191 1 1 1 -2.52855 7.20926 0 0 0 0
192 1 1 1 -3.32354 7.11991 0 0 0 0
193 1 1 1 2.00449 3.54871 0 0 0 0
194 1 1 1 1.4845 4.15666 0 0 0 0
195 1 1 1 5.6526 -1.31637 0 0 0 0
196 1 1 1 4.86095 -1.43166 0 0 0 0
197 1 1 1 -6.41619 3.12674 0 0 0 0
198 1 1 1 -6.93879 3.73245 0 0 0 0
199 1 1 1 -4.38345 -4.37207 0 0 0 0
200 1 1 1 -3.84213 -4.96112 0 0 0 0
Molecules
1 1
2 1
3 2
4 2
5 3
6 3
7 4
8 4
9 5
10 5
11 6
12 6
13 7
14 7
15 8
16 8
17 9
18 9
19 10
20 10
21 11
22 11
23 12
24 12
25 13
26 13
27 14
28 14
29 15
30 15
31 16
32 16
33 17
34 17
35 18
36 18
37 19
38 19
39 20
40 20
41 21
42 21
43 22
44 22
45 23
46 23
47 24
48 24
49 25
50 25
51 26
52 26
53 27
54 27
55 28
56 28
57 29
58 29
59 30
60 30
61 31
62 31
63 32
64 32
65 33
66 33
67 34
68 34
69 35
70 35
71 36
72 36
73 37
74 37
75 38
76 38
77 39
78 39
79 40
80 40
81 41
82 41
83 42
84 42
85 43
86 43
87 44
88 44
89 45
90 45
91 46
92 46
93 47
94 47
95 48
96 48
97 49
98 49
99 50
100 50
101 51
102 51
103 52
104 52
105 53
106 53
107 54
108 54
109 55
110 55
111 56
112 56
113 57
114 57
115 58
116 58
117 59
118 59
119 60
120 60
121 61
122 61
123 62
124 62
125 63
126 63
127 64
128 64
129 65
130 65
131 66
132 66
133 67
134 67
135 68
136 68
137 69
138 69
139 70
140 70
141 71
142 71
143 72
144 72
145 73
146 73
147 74
148 74
149 75
150 75
151 76
152 76
153 77
154 77
155 78
156 78
157 79
158 79
159 80
160 80
161 81
162 81
163 82
164 82
165 83
166 83
167 84
168 84
169 85
170 85
171 86
172 86
173 87
174 87
175 88
176 88
177 89
178 89
179 90
180 90
181 91
182 91
183 92
184 92
185 93
186 93
187 94
188 94
189 95
190 95
191 96
192 96
193 97
194 97
195 98
196 98
197 99
198 99
199 100
200 100

View File

@ -0,0 +1,10 @@
# create set of randomly oriented dimers
p = patch(0.3)
p.dim = 2
p.extratype = 1
p.style = "sphere"
p.extra = "Molecules"
p.seed = 54321
p.build(100,"dimer",0.8,1)
p.write("data.dimer")

View File

@ -0,0 +1,104 @@
# SRD diffusion demo - dimer particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.dimer fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.dimer.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.dimer
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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# SRD viscosity demo - dimer particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.dimer fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.dimer.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 500 dump.dimer.mp
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 50000

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LAMMPS (9 Sep 2013)
# SRD diffusion demo - dimer particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.dimer fix molprop NULL Molecules
orthogonal box = (-9.34165 -9.34165 -0.5) to (9.34165 9.34165 0.5)
4 by 2 by 1 MPI processor grid
200 atoms
set type 1 mass 1.0
200 settings made for mass
group big type 1
200 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
fix 1 big rigid molecule
100 rigid bodies with 200 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.dimer.equil
thermo 100
run 1000
Memory usage per processor = 3.10291 Mbytes
Step Temp E_pair E_mol TotEng Press
0 3.4028231 0 0 0.83369167 -0.55065517
100 9.5167872 2.392105 0 4.7237178 2.8319556
200 13.564465 3.0352634 0 6.3585572 3.6388732
300 13.133051 4.3835112 0 7.6011086 4.060051
400 14.584346 5.5141254 0 9.0872901 4.4231056
500 15.331515 6.6554832 0 10.411704 4.847642
600 16.953755 7.4794317 0 11.633102 5.2020696
700 16.503256 8.8572339 0 12.900532 5.6694613
800 17.006131 9.877343 0 14.043845 5.5483363
900 17.305927 11.081594 0 15.321546 6.2908201
1000 18.122491 12.126462 0 16.566472 5.7536055
Loop time of 0.0641297 on 8 procs for 1000 steps with 200 atoms
Pair time (%) = 0.00222233 (3.46537)
Neigh time (%) = 0.000630736 (0.983532)
Comm time (%) = 0.0137274 (21.4057)
Outpt time (%) = 0.00027743 (0.432607)
Other time (%) = 0.0472718 (73.7128)
Nlocal: 25 ave 30 max 20 min
Histogram: 1 0 1 1 0 0 3 1 0 1
Nghost: 28.375 ave 36 max 22 min
Histogram: 1 0 1 2 1 0 2 0 0 1
Neighs: 33.125 ave 45 max 22 min
Histogram: 1 0 2 1 0 1 1 0 1 1
Total # of neighbors = 265
Ave neighs/atom = 1.325
Neighbor list builds = 99
Dangerous builds = 96
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 29929 atoms
set type 2 mass 0.1
29929 settings made for mass
group small type 2
29929 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
Deleted 12759 atoms, new total = 17370
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
100 rigid bodies with 200 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.dimer
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 17170 200
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 75 75 1
SRD grid size: request, actual (xyz) = 0.25, 0.249111 0.249111 1
SRD per actual grid cell = 5.5499
SRD viscosity = 0.235551
big/SRD mass density ratio = 0.142367
# of rescaled SRD velocities = 0
ave/max small velocity = 4.20347 7.72323
ave/max big velocity = 2.64047 6.60911
Memory usage per processor = 6.81079 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 6.9744766 0 0.30175295 21.011259 26.207244 2.7219332 0 0 0 0 0 0 0 0 0 0 0 0
1000 1.2354587 3809 0.24719873 20.548793 21.46921 7.1295283 13581 50 50 0 709 40320 5625 3809 1.0057655 0 39 0
2000 1.1883147 3812 0.24605507 20.484588 21.369883 4.6579756 13419 49 50 0 1601 40320 5625 3812 1.0536999 0 39 0
3000 1.1945015 3800 0.24698055 20.560357 21.45026 8.0187045 13398 67 67 0 2485 40320 5625 3800 1.0389278 0 39 0
4000 1.2814726 3810 0.24731813 20.524883 21.47958 7.2525742 13351 54 54 1 3331 40320 5625 3810 1.0416803 0 39 0
5000 1.2655406 3805 0.24653329 20.468588 21.411416 5.2725197 13561 54 54 2 4170 40320 5625 3805 1.0314896 0 57 0
6000 1.1591194 3774 0.24602165 20.503437 21.366981 7.6336076 13521 53 53 1 5013 40320 5625 3774 1.0519436 0 57 0
7000 1.1138313 3785 0.24577139 20.515441 21.345245 9.1512158 13365 57 57 2 5946 40320 5625 3785 1.0468342 0 57 0
8000 1.2472647 3776 0.24679288 20.504749 21.433961 9.8240373 13283 58 58 5 6956 40320 5625 3776 1.0533896 0 93 0
9000 1.3539734 3799 0.24706895 20.449228 21.457939 8.6415706 13486 52 52 0 7868 40320 5625 3799 1.0369339 0 93 0
10000 1.1240413 3790 0.2462023 20.545259 21.38267 7.9137395 13238 52 52 0 8779 40320 5625 3790 1.0438247 0 93 0
11000 1.0115706 3801 0.24396454 20.4347 21.188321 5.6596258 13397 66 66 1 9697 40320 5625 3801 1.0464352 0 93 0
12000 1.0539712 3798 0.24450261 20.449843 21.235052 8.3325065 13436 53 53 0 10590 40320 5625 3798 1.0427153 0 93 0
13000 1.2685827 3782 0.24613472 20.431707 21.376801 9.9345777 13278 67 67 1 11460 40320 5625 3782 1.0445824 0 93 0
14000 1.1149298 3804 0.24483169 20.433009 21.263632 7.4598905 13383 78 78 1 12335 40320 5625 3804 1.0459521 0 93 0
15000 1.1892144 3794 0.24570719 20.453705 21.339669 9.1494223 13335 55 55 1 13146 40320 5625 3794 1.0307813 0 93 0
16000 1.3054 3788 0.24602945 20.395135 21.367658 6.3702986 13424 47 47 0 14044 40320 5625 3788 1.0465902 0 93 0
17000 1.1646813 3805 0.24486031 20.39843 21.266118 7.7108151 13392 51 51 0 14929 40320 5625 3805 1.0213327 0 93 0
18000 1.1891201 3791 0.24554422 20.439621 21.325516 8.0653754 13192 60 60 2 15755 40320 5625 3791 1.0340398 0 93 0
19000 1.0324301 3790 0.24381204 20.405915 21.175076 6.1858385 13050 45 45 0 16724 40320 5625 3790 1.0472302 0 93 0
20000 1.3224614 3804 0.24621703 20.398715 21.383949 6.1300529 13594 54 54 1 17517 40320 5625 3804 1.030461 0 93 0
21000 1.1530445 3784 0.24518298 20.435124 21.294142 5.4852317 13275 53 54 1 18412 40320 5625 3784 1.0535382 0 93 0
22000 1.1977912 3784 0.24500736 20.386535 21.278889 6.1881822 13475 47 47 0 19198 40320 5625 3784 1.0210748 0 93 0
23000 1.2514017 3797 0.24621058 20.451095 21.383389 8.7550065 13129 46 46 2 20287 40320 5625 3797 1.0368593 0 93 0
24000 1.2176426 3810 0.2457793 20.438788 21.345932 6.9987747 13704 60 60 2 21229 40320 5625 3810 1.0454377 0 93 0
25000 1.0891735 3798 0.24446154 20.420051 21.231485 6.1085159 13065 56 56 0 22323 40320 5625 3798 1.0505581 0 120 0
26000 1.1352468 3815 0.24428891 20.370733 21.216492 6.7514766 13071 63 63 0 23082 40320 5625 3815 1.0574391 0 120 0
27000 1.2096898 3767 0.24578464 20.445177 21.346396 9.2222472 13000 62 62 0 23915 40320 5625 3767 1.0322659 0 120 0
28000 1.1822845 3810 0.24602328 20.48632 21.367122 7.6215417 13091 63 64 0 25021 40320 5625 3810 1.0109647 0 120 0
29000 1.1681651 3774 0.24483973 20.394047 21.26433 4.8780536 13234 45 45 0 25969 40320 5625 3774 1.0139235 0 120 0
30000 1.2469272 3753 0.24652211 20.481484 21.410445 7.3553052 12959 42 42 0 27355 40320 5625 3753 1.0372102 0 158 0
31000 1.6007361 3784 0.25029348 20.54544 21.737988 6.4277487 13296 65 65 4 29010 40320 5625 3784 1.0232378 0 289 0
32000 1.3008178 3782 0.24630803 20.422743 21.391852 5.1176993 13300 84 85 1 30087 40320 5625 3782 1.0396919 0 289 0
33000 1.098991 3806 0.24419427 20.389524 21.208272 7.7403219 13385 56 57 1 31020 40320 5625 3806 1.041743 0 289 0
34000 1.0690232 3788 0.24446214 20.435114 21.231537 7.5766596 13169 52 52 1 31883 40320 5625 3788 1.0361564 0 289 0
35000 1.2481706 3805 0.24604847 20.439422 21.36931 8.4852719 13287 50 50 2 32742 40320 5625 3805 1.0362327 0 289 0
36000 1.2779611 3809 0.24583215 20.398441 21.350522 4.4273482 13245 53 53 0 33581 40320 5625 3809 1.0384859 0 289 0
37000 1.1516078 3797 0.2455632 20.469216 21.327164 6.8418541 13220 56 56 0 34676 40320 5625 3797 1.0356559 0 289 0
38000 3.1966808 3804 0.26289728 20.451101 22.832629 8.6766153 13285 78 78 5 35584 40320 5625 3804 1.0212937 0 289 0
39000 1.3514672 3774 0.24773001 20.508508 21.515351 6.8562512 13267 53 54 0 37060 40320 5625 3774 1.0506286 0 289 0
40000 1.2690376 3800 0.24696212 20.503227 21.44866 7.306469 13136 48 48 1 38009 40320 5625 3800 1.0435393 0 289 0
41000 1.1629196 3815 0.24451909 20.370108 21.236483 10.994819 13294 65 65 0 38856 40320 5625 3815 1.0231193 0 289 0
42000 1.3071093 3794 0.24711438 20.488087 21.461884 11.635668 13377 63 63 0 39748 40320 5625 3794 1.0310415 0 289 0
43000 1.1790643 3814 0.24525862 20.422309 21.300712 7.4899148 13167 55 55 0 40763 40320 5625 3814 1.0643207 0 289 0
44000 1.0546224 3816 0.24416646 20.420163 21.205857 8.5184241 13383 57 57 0 41635 40320 5625 3816 1.0300963 0 289 0
45000 1.5126923 3816 0.24957769 20.548867 21.675822 7.8342626 13593 51 51 5 43135 40320 5625 3816 1.0470194 0 289 0
46000 1.1974681 3811 0.24522511 20.405687 21.297801 8.5828458 13253 58 58 0 44063 40320 5625 3811 1.0211266 0 289 0
47000 1.153913 3796 0.24546332 20.458824 21.31849 12.306291 13070 46 46 1 44904 40320 5625 3796 1.0134546 0 289 0
48000 1.0836112 3783 0.24414791 20.396955 21.204246 8.2850758 12885 57 57 1 45783 40320 5625 3783 1.0518997 0 289 0
49000 1.0541913 3804 0.24345782 20.358939 21.144312 7.5572928 13094 67 67 1 46591 40320 5625 3804 1.022045 0 289 0
50000 1.2626609 3801 0.24672175 20.487102 21.427784 9.6363068 12963 67 67 3 47434 40320 5625 3801 1.0417063 0 289 0
51000 1.1865663 3788 0.24455665 20.355754 21.239745 10.07391 13119 62 63 2 48466 40320 5625 3788 1.0503342 0 289 0
52000 1.2437795 3802 0.24570213 20.412614 21.33923 9.3613571 13065 57 57 1 49406 40320 5625 3802 1.0407195 0 289 0
53000 1.2866363 3798 0.2458415 20.39279 21.351334 9.8245291 13109 53 53 1 50265 40320 5625 3798 1.0226426 0 289 0
54000 1.2414003 3799 0.24595803 20.436612 21.361455 11.751574 13190 58 59 3 51613 40320 5625 3799 1.0357656 0 289 0
55000 1.2028463 3785 0.24595746 20.465285 21.361405 6.4299111 13186 60 61 1 52735 40320 5625 3785 1.0316105 0 289 0
56000 1.0385165 3808 0.24390301 20.409282 21.182976 6.7801109 13022 54 54 0 53622 40320 5625 3808 1.0434153 0 289 0
57000 1.0436103 3799 0.24377932 20.394745 21.172234 7.1162927 13049 50 50 0 54495 40320 5625 3799 1.0178911 0 289 0
58000 0.97106921 3795 0.24364318 20.436964 21.16041 9.022592 13286 50 50 0 55327 40320 5625 3795 1.0353873 0 289 0
59000 1.1495392 3790 0.24458585 20.385874 21.242281 9.7884887 13157 63 63 1 56179 40320 5625 3790 1.0281317 0 289 0
60000 1.188382 3781 0.24514124 20.405172 21.290516 7.3581039 12943 56 56 1 57024 40320 5625 3781 1.0596215 0 289 0
61000 1.3366984 3768 0.24662234 20.42331 21.41915 6.109315 13068 52 52 1 57921 40320 5625 3768 1.0706378 0 289 0
62000 1.1261613 3788 0.24432384 20.380535 21.219525 5.7818811 13296 54 54 0 58841 40320 5625 3788 1.0432485 0 289 0
63000 1.1620503 3831 0.24430718 20.352351 21.218079 6.6114481 13321 51 51 0 59698 40320 5625 3831 1.0438264 0 289 0
64000 1.0816323 3803 0.24367372 20.357247 21.163063 10.33086 13210 64 64 0 60543 40320 5625 3803 1.055563 0 289 0
65000 1.2024467 3790 0.24573222 20.446021 21.341844 7.3760583 12855 54 54 0 61397 40320 5625 3790 1.0581964 0 289 0
66000 1.2134054 3782 0.2459965 20.460809 21.364796 6.5901858 13015 59 61 0 62205 40320 5625 3782 1.0320373 0 289 0
67000 1.2975719 3808 0.24614477 20.410982 21.377674 9.568788 13012 56 56 1 63680 40320 5625 3808 1.0555615 0 289 0
68000 1.3311071 3811 0.24615733 20.387089 21.378764 2.2119551 13138 56 56 0 64586 40320 5625 3811 1.0417112 0 289 0
69000 1.1764971 3803 0.24501561 20.403115 21.279606 2.3580263 12903 61 61 0 65504 40320 5625 3803 1.0345172 0 289 0
70000 1.1603463 3806 0.24424231 20.347987 21.212445 5.2723227 13068 64 64 2 66386 40320 5625 3806 1.0504265 0 289 0
71000 1.151703 3802 0.24460158 20.385628 21.243647 5.9863258 12868 51 51 2 67280 40320 5625 3802 1.0323304 0 289 0
72000 1.2360087 3789 0.24540655 20.392733 21.313559 8.0678594 12835 37 37 2 68153 40320 5625 3789 1.0157807 0 289 0
73000 1.1778901 3792 0.24516585 20.415126 21.292654 8.3383517 12980 59 59 0 68917 40320 5625 3792 1.0211893 0 289 0
74000 1.1320033 3801 0.24465911 20.405302 21.248644 6.7423404 13244 63 63 0 69802 40320 5625 3801 1.0379895 0 289 0
75000 1.303095 3792 0.24597801 20.392384 21.36319 7.1605507 13290 64 64 1 70966 40320 5625 3792 1.0479027 0 289 0
76000 1.3122789 3791 0.24686821 20.462856 21.440504 5.6011815 12921 53 53 0 71853 40320 5625 3791 1.0429825 0 289 0
77000 1.1110266 3777 0.24531121 20.477563 21.305278 7.6992351 13227 59 59 1 72625 40320 5625 3777 1.0346512 0 289 0
78000 1.1423584 3788 0.24614751 20.526855 21.377912 9.1592588 12981 54 54 0 73534 40320 5625 3788 1.0394046 0 289 0
79000 1.178933 3795 0.24546662 20.440471 21.318776 5.1190336 13027 61 61 0 74357 40320 5625 3795 1.0373795 0 289 0
80000 1.2228825 3793 0.24546742 20.407798 21.318845 8.5997861 13116 61 61 2 75248 40320 5625 3793 1.0487918 0 289 0
81000 1.2539867 3795 0.24680743 20.501006 21.435226 7.7737133 13136 65 65 0 76143 40320 5625 3795 1.057414 0 289 0
82000 1.2163565 3809 0.24603827 20.462238 21.368423 8.4588097 13227 77 77 0 77052 40320 5625 3809 1.0281569 0 289 0
83000 1.1372789 3800 0.24477746 20.411649 21.258922 8.6655002 13318 53 53 1 77950 40320 5625 3800 1.052126 0 289 0
84000 1.0963118 3798 0.24395552 20.370785 21.187537 7.5285125 13298 71 72 0 78812 40320 5625 3798 1.0739334 0 289 0
85000 1.2866517 3806 0.24577005 20.386573 21.345129 9.2812098 13301 73 73 0 79713 40320 5625 3806 1.0318108 0 289 0
86000 1.191902 3776 0.24527268 20.413966 21.301932 9.1903108 13178 60 60 0 80629 40320 5625 3776 1.0473977 0 289 0
87000 1.0828531 3787 0.24432069 20.412526 21.219252 4.6934397 13047 60 60 1 81448 40320 5625 3787 1.0168512 0 289 0
88000 2.0634092 3798 0.25362055 20.489705 22.026944 8.3601433 13229 49 49 27 82676 40320 5625 3798 1.0310791 0 289 0
89000 1.1633678 3788 0.24488709 20.401735 21.268444 7.9040117 13287 49 50 1 83644 40320 5625 3788 1.0443183 0 289 0
90000 1.1834356 3790 0.24566829 20.454632 21.336291 6.8101979 13377 50 50 0 84466 40320 5625 3790 1.0426033 0 289 0
91000 1.3000933 3810 0.24590334 20.388136 21.356705 6.481335 13468 62 62 4 85683 40320 5625 3810 1.0536904 0 289 0
92000 1.282522 3775 0.24709409 20.504643 21.460122 6.0594454 13383 47 47 0 86552 40320 5625 3775 1.0455446 0 289 0
93000 1.3337412 3787 0.24688092 20.447971 21.441608 8.2151451 13298 64 64 2 87424 40320 5625 3787 1.0304143 0 289 0
94000 1.2200394 3816 0.24594726 20.45159 21.360519 5.75844 13608 48 48 2 88404 40320 5625 3816 1.0319527 0 289 0
95000 1.1162136 3804 0.24520798 20.464734 21.296313 7.9641712 13316 51 51 0 89205 40320 5625 3804 1.034941 0 289 0
96000 1.1719084 3802 0.24578082 20.472993 21.346064 5.998945 13593 59 59 0 90005 40320 5625 3802 1.0280493 0 289 0
97000 1.3506167 3794 0.24764606 20.501851 21.508061 8.7470453 13202 56 56 1 90840 40320 5625 3794 1.0235267 0 289 0
98000 1.2314111 3800 0.24699537 20.534146 21.451548 13.14846 13183 67 67 0 91659 40320 5625 3800 1.017929 0 289 0
99000 1.1466628 3796 0.24472055 20.399716 21.25398 5.5941204 13335 62 62 1 92497 40320 5625 3796 1.0247856 0 289 0
100000 1.1502546 3831 0.24457346 20.384266 21.241205 9.3619779 13566 65 65 0 93378 40320 5625 3831 1.023894 0 289 0
Loop time of 23.1526 on 8 procs for 100000 steps with 17370 atoms
Pair time (%) = 0.357818 (1.54548)
Neigh time (%) = 1.28113 (5.53343)
Comm time (%) = 1.77444 (7.66411)
Outpt time (%) = 0.00594333 (0.0256703)
Other time (%) = 19.7333 (85.2313)
Nlocal: 2171.25 ave 2686 max 1889 min
Histogram: 2 2 0 1 0 1 1 0 0 1
Nghost: 65.25 ave 68 max 60 min
Histogram: 1 0 0 1 0 1 1 0 2 2
Neighs: 171.375 ave 213 max 87 min
Histogram: 1 0 0 0 1 1 1 0 1 3
Total # of neighbors = 1371
Ave neighs/atom = 0.0789292
Neighbor list builds = 5094
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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LAMMPS (9 Sep 2013)
# SRD viscosity demo - dimer particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.dimer fix molprop NULL Molecules
orthogonal box = (-9.34165 -9.34165 -0.5) to (9.34165 9.34165 0.5)
4 by 2 by 1 MPI processor grid
200 atoms
set type 1 mass 1.0
200 settings made for mass
group big type 1
200 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
fix 1 big rigid molecule
100 rigid bodies with 200 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.dimer.equil
thermo 100
run 1000
Memory usage per processor = 3.10291 Mbytes
Step Temp E_pair E_mol TotEng Press
0 3.4028231 0 0 0.83369167 -0.55065517
100 9.5167872 2.392105 0 4.7237178 2.8319556
200 13.564465 3.0352634 0 6.3585572 3.6388732
300 13.133051 4.3835112 0 7.6011086 4.060051
400 14.584346 5.5141254 0 9.0872901 4.4231056
500 15.331515 6.6554832 0 10.411704 4.847642
600 16.953755 7.4794317 0 11.633102 5.2020696
700 16.503256 8.8572339 0 12.900532 5.6694613
800 17.006131 9.877343 0 14.043845 5.5483363
900 17.305927 11.081594 0 15.321546 6.2908201
1000 18.122491 12.126462 0 16.566472 5.7536055
Loop time of 0.0627978 on 8 procs for 1000 steps with 200 atoms
Pair time (%) = 0.00222558 (3.54404)
Neigh time (%) = 0.000630498 (1.00401)
Comm time (%) = 0.0138363 (22.0331)
Outpt time (%) = 0.000252694 (0.402393)
Other time (%) = 0.0458528 (73.0165)
Nlocal: 25 ave 30 max 20 min
Histogram: 1 0 1 1 0 0 3 1 0 1
Nghost: 28.375 ave 36 max 22 min
Histogram: 1 0 1 2 1 0 2 0 0 1
Neighs: 33.125 ave 45 max 22 min
Histogram: 1 0 2 1 0 1 1 0 1 1
Total # of neighbors = 265
Ave neighs/atom = 1.325
Neighbor list builds = 99
Dangerous builds = 96
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 29929 atoms
set type 2 mass 0.1
29929 settings made for mass
group small type 2
29929 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
Deleted 12759 atoms, new total = 17370
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
100 rigid bodies with 200 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 500 dump.dimer.mp
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 50000
SRD info:
SRD/big particles = 17170 200
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 75 75 1
SRD grid size: request, actual (xyz) = 0.25, 0.249111 0.249111 1
SRD per actual grid cell = 5.5499
SRD viscosity = 0.235551
big/SRD mass density ratio = 0.142367
# of rescaled SRD velocities = 0
ave/max small velocity = 4.20347 7.72323
ave/max big velocity = 2.64047 6.60911
Memory usage per processor = 6.81079 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 6.9744766 0 0.30175295 21.011259 26.207244 2.7219332 0 0 0 0 0 0 0 0 0 0 0 0
1000 1.2992959 3806 0.24766681 20.541887 21.509863 8.3137867 13254 64 64 1 616 40320 5625 3806 1.0164848 0 4 0
2000 1.358528 3797 0.2484409 20.564988 21.577092 11.810557 13539 50 50 1 1526 40320 5625 3797 1.0411843 0 45 0
3000 1.4548846 3805 0.24912964 20.553021 21.63691 9.5926803 13468 60 60 4 2398 40320 5625 3805 1.0497533 0 45 0
4000 1.8791843 3815 0.2520188 20.48784 21.887833 8.2746056 13404 60 60 0 3383 40320 5625 3815 1.0373399 0 45 0
5000 1.6477948 3808 0.25003987 20.488356 21.715963 4.4265304 13161 48 48 1 4419 40320 5625 3808 1.0272144 0 45 0
6000 1.6158929 3793 0.24939304 20.455945 21.659785 8.3817061 13207 59 59 0 5558 40320 5625 3793 1.0368342 0 45 0
7000 2.0865667 3806 0.25391685 20.498186 22.052678 8.0322269 13079 60 60 0 6843 40320 5625 3806 1.0325798 0 107 0
8000 2.2197829 3778 0.25451747 20.451104 22.104842 11.453866 13081 49 49 0 8004 40320 5625 3778 1.0191928 0 107 0
9000 2.1397074 3798 0.25441886 20.502196 22.096278 7.8765329 13080 52 52 0 9214 40320 5625 3798 1.0344843 0 107 0
10000 2.3083585 3791 0.25615794 20.52759 22.247317 7.8816479 12974 48 48 3 10555 40320 5625 3791 1.0281033 0 107 0
11000 2.5639164 3803 0.25817577 20.512448 22.422565 6.768962 13177 50 50 1 11917 40320 5625 3803 1.0394491 0 107 0
12000 2.737192 3757 0.26051986 20.586941 22.626149 7.6808761 13072 48 48 6 13993 40320 5625 3757 1.0643581 0 269 0
13000 8.1232914 3761 0.30582339 20.508909 26.560761 10.80899 13074 48 48 20 15818 40320 5625 3761 1.029561 0 269 0
14000 2.961704 3786 0.26050848 20.418692 22.625162 9.7685216 13369 59 59 3 17423 40320 5625 3786 1.0121975 0 269 0
15000 2.5821822 3789 0.25834133 20.513218 22.436944 6.9498412 13183 46 46 3 18931 40320 5625 3789 1.0375525 0 269 0
16000 2.6225045 3756 0.25795343 20.449489 22.403255 10.405912 12646 66 66 1 20473 40320 5625 3756 1.032942 0 269 0
17000 4.1283061 3701 0.27197048 20.545048 23.620636 8.4471446 13224 65 66 15 24398 40320 5625 3701 1.0687815 0 604 0
18000 2.8741237 3777 0.26027375 20.463553 22.604775 7.6566907 13020 61 61 1 26636 40320 5625 3777 1.0098706 0 604 0
19000 2.713854 3784 0.25853001 20.43151 22.453331 9.1078878 12941 58 58 2 28367 40320 5625 3784 0.98796076 0 604 0
20000 3.0035093 3791 0.2624204 20.553597 22.791212 5.8950854 12710 50 50 0 30004 40320 5625 3791 1.0127104 0 604 0
21000 2.8304858 3794 0.25987392 20.461338 22.57005 7.4867736 13025 58 58 3 31801 40320 5625 3794 1.0303174 0 604 0
22000 2.8055694 3785 0.26137505 20.610274 22.700423 10.823968 13074 64 64 17 33863 40320 5625 3785 1.0205053 0 604 0
23000 2.9712363 3794 0.26117889 20.469816 22.683387 8.6172464 13263 55 55 1 35391 40320 5625 3794 1.0051398 0 604 0
24000 2.8762937 3771 0.26137187 20.557308 22.700146 9.8024879 13172 57 57 0 36915 40320 5625 3771 1.0144035 0 604 0
25000 2.9852963 3782 0.26142335 20.480572 22.704618 9.0597755 13168 67 67 0 38577 40320 5625 3782 1.0230792 0 604 0
26000 2.918217 3797 0.26186781 20.569148 22.743219 5.6274781 13407 47 47 1 40096 40320 5625 3797 1.0271045 0 604 0
27000 2.9863542 3781 0.26202524 20.532058 22.756892 6.2490454 13008 45 45 1 41815 40320 5625 3781 1.0516123 0 604 0
28000 2.9994869 3815 0.26226247 20.542878 22.777496 7.127401 13211 59 59 0 43562 40320 5625 3815 1.0282567 0 604 0
29000 2.8020211 3769 0.26039919 20.528164 22.61567 4.8931362 13302 46 46 1 45189 40320 5625 3769 1.0011147 0 604 0
30000 2.9966437 3749 0.26157845 20.485589 22.718088 10.22032 12525 50 51 0 46781 40320 5625 3749 1.0337902 0 604 0
31000 3.0907131 3807 0.26212089 20.462618 22.765199 9.2934356 12725 67 67 1 48839 40320 5625 3807 1.0232166 0 604 0
32000 2.8402863 3804 0.25963296 20.433109 22.549122 7.7909674 12830 58 58 0 50434 40320 5625 3804 1.0068925 0 604 0
33000 2.8936979 3788 0.26075387 20.490668 22.646473 10.184685 12687 60 60 1 51939 40320 5625 3788 1.0201495 0 604 0
34000 2.9459329 3801 0.26184842 20.546816 22.741536 8.5616047 12962 64 64 1 53500 40320 5625 3801 0.99938958 0 604 0
35000 2.6106008 3775 0.2586892 20.52226 22.467157 5.6792512 12967 45 45 1 55087 40320 5625 3775 1.0183544 0 604 0
36000 5.8747699 3809 0.28651929 20.507497 24.8842 9.1933878 12750 53 53 5 56604 40320 5625 3809 1.0079212 0 604 0
37000 3.1946428 3802 0.26494145 20.630156 23.010165 6.6564892 13029 53 53 5 58460 40320 5625 3802 1.0088282 0 604 0
38000 2.8700233 3818 0.26040611 20.478103 22.61627 9.2908419 13033 52 52 0 60287 40320 5625 3818 1.0127385 0 604 0
39000 2.7656892 3812 0.25998902 20.519608 22.580046 10.920034 12894 52 52 1 61786 40320 5625 3812 1.0034298 0 604 0
40000 2.7523262 3773 0.26006389 20.536066 22.586549 11.157355 12846 68 68 1 63576 40320 5625 3773 1.0398336 0 604 0
41000 2.9840686 3785 0.26079459 20.426879 22.65001 6.4161076 12739 51 51 1 65115 40320 5625 3785 1.0116164 0 604 0
42000 2.7562499 3778 0.25907668 20.447404 22.50081 9.4791152 12698 53 53 2 66584 40320 5625 3778 1.0021024 0 604 0
43000 2.5912808 3787 0.25812876 20.487979 22.418483 7.9217055 12886 50 50 1 68191 40320 5625 3787 1.0093332 0 604 0
44000 3.0967473 3775 0.26370565 20.595759 22.902836 5.328598 12716 56 56 0 69792 40320 5625 3775 1.0050084 0 604 0
45000 2.6575446 3777 0.25781099 20.411014 22.390885 10.088161 12878 62 62 0 71801 40320 5625 3777 1.0237185 0 604 0
46000 2.9186207 3793 0.25950844 20.363936 22.538308 7.0759867 13243 54 54 1 73365 40320 5625 3793 0.99552398 0 604 0
47000 2.5812503 3793 0.25694255 20.392429 22.315461 9.5971531 12615 64 64 0 74935 40320 5625 3793 1.0014236 0 604 0
48000 3.192993 3759 0.26332768 20.491229 22.870009 10.811248 12801 68 68 2 76480 40320 5625 3759 1.0208642 0 604 0
49000 2.5266504 3780 0.25653188 20.397439 22.279794 6.1860477 12935 67 67 1 77986 40320 5625 3780 1.0105053 0 604 0
50000 2.8382589 3798 0.25970071 20.440504 22.555006 4.0746424 12612 62 62 1 79447 40320 5625 3798 1.0071327 0 604 0
Loop time of 11.6101 on 8 procs for 50000 steps with 17370 atoms
Pair time (%) = 0.175835 (1.5145)
Neigh time (%) = 0.643515 (5.54273)
Comm time (%) = 0.862317 (7.42731)
Outpt time (%) = 0.00260469 (0.0224348)
Other time (%) = 9.92581 (85.493)
Nlocal: 2171.25 ave 2372 max 1614 min
Histogram: 1 0 0 0 0 1 0 0 4 2
Nghost: 60.5 ave 69 max 54 min
Histogram: 2 0 2 0 1 0 0 1 0 2
Neighs: 167.375 ave 282 max 128 min
Histogram: 3 2 1 1 0 0 0 0 0 1
Total # of neighbors = 1339
Ave neighs/atom = 0.0770869
Neighbor list builds = 2593
Dangerous builds = 2
Please see the log.cite file for references relevant to this simulation

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# SRD diffusion demo - ellipsoids
units lj
atom_style ellipsoid
atom_modify first big
dimension 2
# create big ellipsoidal particles
lattice sq 0.14
region box block 0 10 0 10 -0.5 0.5
create_box 2 box
create_atoms 1 region box
set type 1 mass 1.0
set type 1 shape 3.0 1.0 1.0
group big type 1
set group big quat/random 29898
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve/asphere
fix 2 all enforce2d
compute rot big temp/asphere
#dump 1 all custom 10 dump.ellipsoid.equil id type x y z &
# quatw quati quatj quatk
thermo_style custom step temp c_rot epair etotal press
thermo 100
run 1000
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 120.0
create_atoms 2 region plane
set type 2 mass 0.01
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 2.0
neigh_modify one 10000
delete_atoms overlap 1.6 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.0005
fix 1 big nve/asphere
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
collision noslip search 0.2 inside ignore exact no bounce 50
fix 3 all enforce2d
# diagnostics
compute tbig big temp/asphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp c_rot f_2[9] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all custom 1000 dump.ellipsoid id type x y z &
# quatw quati quatj quatk
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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# SRD viscosity demo - ellipsoids
units lj
atom_style ellipsoid
atom_modify first big
dimension 2
# create big ellipsoidal particles
lattice sq 0.14
region box block 0 10 0 10 -0.5 0.5
create_box 2 box
create_atoms 1 region box
set type 1 mass 1.0
set type 1 shape 3.0 1.0 1.0
group big type 1
set group big quat/random 29898
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve/asphere
fix 2 all enforce2d
compute rot big temp/asphere
#dump 1 all custom 10 dump.ellipsoid.equil id type x y z &
# quatw quati quatj quatk
thermo_style custom step temp c_rot epair etotal press
thermo 100
run 1000
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 120.0
create_atoms 2 region plane
set type 2 mass 0.01
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 2.0
neigh_modify one 10000
delete_atoms overlap 1.6 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.0005
fix 1 big nve/asphere
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
collision noslip search 0.2 inside ignore exact no bounce 50
fix 3 small viscosity 20 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/asphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp c_rot f_2[9] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all custom 500 dump.ellipsoid.mp id type x y z &
# quatw quati quatj quatk
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 50000

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LAMMPS (9 Sep 2013)
# SRD diffusion demo - ellipsoids
units lj
atom_style ellipsoid
atom_modify first big
dimension 2
# create big ellipsoidal particles
lattice sq 0.14
Lattice spacing in x,y,z = 2.67261 2.67261 2.67261
region box block 0 10 0 10 -0.5 0.5
create_box 2 box
Created orthogonal box = (0 0 -1.33631) to (26.7261 26.7261 1.33631)
4 by 2 by 1 MPI processor grid
create_atoms 1 region box
Created 100 atoms
set type 1 mass 1.0
100 settings made for mass
set type 1 shape 3.0 1.0 1.0
100 settings made for shape
group big type 1
100 atoms in group big
set group big quat/random 29898
100 settings made for quat/random
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve/asphere
fix 2 all enforce2d
compute rot big temp/asphere
#dump 1 all custom 10 dump.ellipsoid.equil id type x y z # quatw quati quatj quatk
thermo_style custom step temp c_rot epair etotal press
thermo 100
run 1000
Memory usage per processor = 3.31955 Mbytes
Step Temp rot E_pair TotEng Press
0 1.44 0.95677852 2.7038078 4.1294078 10.518912
100 2.5524145 2.801098 -0.37027046 2.1566199 0.84703874
200 2.6266386 2.7938164 -0.35322565 2.2471465 1.004886
300 2.9987557 2.9499545 -0.58917376 2.3795944 0.73081788
400 2.8557446 2.8208128 -0.39904801 2.4281391 0.91808964
500 2.4399047 2.8255746 -0.40056447 2.0149412 1.0538908
600 2.854258 2.9166789 -0.53424483 2.2914706 0.8117508
700 2.9593679 2.8231211 -0.40051715 2.5292571 1.1630889
800 2.7632972 2.9060854 -0.52075353 2.2149107 0.77106777
900 2.9905599 2.8869667 -0.49099384 2.4696604 0.6961683
1000 2.8470141 2.9005014 -0.51282121 2.3057228 0.68817475
Loop time of 0.0669988 on 8 procs for 1000 steps with 100 atoms
Pair time (%) = 0.0335407 (50.0616)
Neigh time (%) = 0.000552475 (0.824605)
Comm time (%) = 0.0238523 (35.601)
Outpt time (%) = 0.000291765 (0.435477)
Other time (%) = 0.00876167 (13.0774)
Nlocal: 12.5 ave 16 max 8 min
Histogram: 1 1 0 0 0 3 0 0 1 2
Nghost: 34.125 ave 42 max 28 min
Histogram: 1 0 2 2 0 1 0 1 0 1
Neighs: 46.125 ave 65 max 20 min
Histogram: 1 0 1 0 1 2 0 0 1 2
Total # of neighbors = 369
Ave neighs/atom = 3.69
Neighbor list builds = 174
Dangerous builds = 0
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 120.0
Lattice spacing in x,y,z = 0.0912871 0.0912871 0.0912871
create_atoms 2 region plane
Created 85849 atoms
set type 2 mass 0.01
85849 settings made for mass
group small type 2
85849 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 2.0
neigh_modify one 10000
delete_atoms overlap 1.6 small big
Deleted 71060 atoms, new total = 14889
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.0005
fix 1 big nve/asphere
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 collision noslip search 0.2 inside ignore exact no bounce 50
fix 3 all enforce2d
# diagnostics
compute tbig big temp/asphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp c_rot f_2[9] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all custom 1000 dump.ellipsoid id type x y z # quatw quati quatj quatk
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 14789 100
big particle diameter max/min = 3 1
SRD temperature & lamda = 1 0.1
SRD max distance & max velocity = 0.4 40
SRD grid counts: 107 107 1
SRD grid size: request, actual (xyz) = 0.25, 0.249777 0.249777 2.67261
SRD per actual grid cell = 1.92757
SRD viscosity = 0.688101
big/SRD mass density ratio = 1.37367
# of rescaled SRD velocities = 0
ave/max small velocity = 13.3093 24.3359
ave/max big velocity = 2.08028 5.05672
Memory usage per processor = 10.6335 Mbytes
Step Temp rot 2[9] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 2.9005014 2.9005014 0 0.025582147 -0.51282121 3.8089259 0.89862319 0 0 0 0 0 0 0 0 0 0 0 0
1000 7.2956023 7.2956023 0.70834055 0.069462778 -0.52813454 10.342313 2.4874745 15029 48 347 0 273688 98040 11449 6477 0.70834055 1617 50 0
2000 2.6238614 2.6238614 0.77744331 0.023078302 -0.47342524 3.4361283 1.6052231 16178 48 140 0 570264 98040 11449 6606 0.77744331 3196 50 0
3000 2.5809048 2.5809048 0.79907961 0.021977265 -0.57335309 3.272195 1.4275294 17045 57 504 0 875574 98040 11449 6754 0.79907961 4880 50 0
4000 2.4645688 2.4645688 0.82651268 0.02117525 -0.51942455 3.1527829 1.1962239 16911 40 359 0 1175091 98040 11449 6770 0.82651268 6476 50 0
5000 2.1821901 2.1821901 0.87375488 0.017835105 -0.59599444 2.6554687 0.94017756 17423 58 457 0 1473017 98040 11449 6741 0.87375488 7940 50 0
6000 2.7347088 2.7347088 0.88378922 0.023245561 -0.61368445 3.4610316 1.0797017 18277 49 406 0 1855806 98040 11449 6785 0.88378922 9982 50 0
7000 2.1624381 2.1624381 0.84226 0.017452531 -0.62352539 2.5985074 0.9064477 18418 55 501 0 2250403 98040 11449 6796 0.84226 12248 50 0
8000 2.163802 2.163802 0.84086821 0.01743543 -0.62810387 2.5959612 0.898377 18731 58 195 0 2609864 98040 11449 6794 0.84086821 14239 50 0
9000 2.4291028 2.4291028 0.881112 0.020152652 -0.61883485 3.0005284 0.87126187 17990 68 337 0 2980316 98040 11449 6785 0.881112 16375 50 0
10000 2.2008575 2.2008575 0.86610163 0.017451237 -0.68096305 2.5983146 0.68079667 18267 55 431 0 3322267 98040 11449 6763 0.86610163 18267 50 0
11000 3.1766901 3.1766901 0.87045337 0.027784703 -0.59640382 4.1368645 0.93469755 19172 73 636 0 3750755 98040 11449 6741 0.87045337 20726 50 0
12000 2.1793161 2.1793161 0.86215133 0.017596582 -0.62722581 2.6199551 0.67697989 19057 69 342 0 4157139 98040 11449 6802 0.86215133 22806 50 0
13000 4.0153206 4.0153206 0.90625671 0.038303439 -0.27982855 5.7029991 1.687034 19515 67 552 0 4624013 98040 11449 6717 0.90625671 25436 50 0
14000 3.170604 3.170604 0.87343798 0.028601343 -0.46574612 4.2584539 1.2191953 19102 56 503 0 5018844 98040 11449 6704 0.87343798 27565 50 0
15000 2.1598654 2.1598654 0.88571342 0.018928735 -0.39990012 2.8182993 1.2133794 19040 60 656 0 5403568 98040 11449 6800 0.88571342 29588 50 0
16000 3.2148501 3.2148501 0.92374454 0.02852773 -0.54263291 4.2474937 0.95828981 18827 69 620 0 5805269 98040 11449 6851 0.92374454 31671 50 0
17000 1.689719 1.689719 0.91145995 0.013016738 -0.57961912 1.9380621 0.80015733 18555 61 627 0 6238805 98040 11449 6762 0.91145995 34131 50 0
18000 2.2363963 2.2363963 0.93262821 0.018332423 -0.60271598 2.7295145 0.98475808 18594 55 522 0 6718450 98040 11449 6784 0.93262821 36725 50 0
19000 7.6028995 7.6028995 0.93864136 0.074005938 -0.30957605 11.018744 2.9474333 19675 93 1082 0 7229509 98040 11449 6515 0.93864136 39724 50 0
20000 7.2192143 7.2192143 0.88957525 0.069357409 -0.43000462 10.326625 2.4966484 19158 65 394 0 7789183 98040 11449 6651 0.88957525 42820 50 0
21000 4.5330204 4.5330204 0.86613007 0.042675657 -0.40022184 6.3539786 1.4658773 18943 52 155 0 8252829 98040 11449 6764 0.86613007 45182 50 0
22000 2.8518378 2.8518378 0.84167594 0.025693384 -0.4237503 3.825488 1.0516739 19085 57 407 0 8608296 98040 11449 6825 0.84167594 47111 50 0
23000 2.7181316 2.7181316 0.88923978 0.023577992 -0.53948886 3.5105272 0.82845541 18824 58 421 0 8995890 98040 11449 6748 0.88923978 49148 50 0
24000 2.0835932 2.0835932 0.84026764 0.017047902 -0.56629177 2.5382621 0.74654075 18971 60 277 0 9341011 98040 11449 6757 0.84026764 50947 50 0
25000 2.2109657 2.2109657 0.83305834 0.018511323 -0.53818793 2.756151 0.93069051 18531 44 277 0 9628824 98040 11449 6760 0.83305834 52412 50 0
26000 2.5537486 2.5537486 0.84881291 0.023243574 -0.34434968 3.4607357 1.3058386 18725 55 149 0 9984117 98040 11449 6746 0.84881291 54360 50 0
27000 2.0881562 2.0881562 0.81387145 0.017094925 -0.56608945 2.5452634 0.61664377 19345 64 157 0 10340914 98040 11449 6813 0.81387145 56350 50 0
28000 1.9836851 1.9836851 0.84227025 0.01744767 -0.35790721 2.5977835 1.0180779 19613 57 382 0 10655060 98040 11449 6780 0.84227025 57994 50 0
29000 1.9842246 1.9842246 0.82288658 0.017193445 -0.39656262 2.559932 1.036828 19128 57 148 0 10976578 98040 11449 6815 0.82288658 59591 50 0
30000 4.3538432 4.3538432 0.86941094 0.043439035 -0.019588435 6.4676379 2.5038101 18862 50 406 0 11313222 98040 11449 6725 0.86941094 61467 50 0
31000 6.6481395 6.6481395 0.86286769 0.063829591 -0.40214003 9.5035878 2.0941534 19213 67 648 0 11697823 98040 11449 6840 0.86286769 63380 50 0
32000 2.6712732 2.6712732 0.86495327 0.025802035 -0.13853198 3.841665 1.5918499 19672 74 267 0 12044541 98040 11449 6788 0.86495327 65225 50 0
33000 2.2525644 2.2525644 0.89687596 0.019829466 -0.40391176 2.9524092 1.1393318 19571 54 371 0 12448516 98040 11449 6763 0.89687596 67314 50 0
34000 2.0174254 2.0174254 0.85159248 0.016836474 -0.49918117 2.5067827 0.61040005 19322 44 314 0 12826260 98040 11449 6777 0.85159248 69403 50 0
35000 2.0636577 2.0636577 0.84737021 0.017487894 -0.47107738 2.6037726 0.9372094 19352 71 496 0 13218452 98040 11449 6847 0.84737021 71447 50 0
36000 1.9578117 1.9578117 0.86352344 0.016804797 -0.41507332 2.5020662 0.78629324 19226 64 294 0 13618568 98040 11449 6818 0.86352344 73705 50 0
37000 2.7216885 2.7216885 0.89497296 0.02408761 -0.46891159 3.5864043 0.84261741 19922 68 667 0 13956945 98040 11449 6751 0.89497296 75650 50 0
38000 2.9132431 2.9132431 0.85774007 0.025736568 -0.5088146 3.8319176 0.92509444 19512 65 459 0 14315919 98040 11449 6785 0.85774007 77596 50 0
39000 3.0646912 3.0646912 0.8862362 0.027495613 -0.47256811 4.0938218 1.1093068 19563 61 449 0 14688150 98040 11449 6782 0.8862362 79855 50 0
40000 2.2020194 2.2020194 0.86883352 0.019197745 -0.42265669 2.8583523 0.98753706 19119 55 371 0 15084880 98040 11449 6816 0.86883352 82202 50 0
41000 6.0976172 6.0976172 0.88377361 0.057628632 -0.5051227 8.580327 1.3963064 19079 65 306 0 15447216 98040 11449 6818 0.88377361 84366 50 0
42000 1.9083892 1.9083892 0.88516585 0.01531336 -0.5634938 2.2800062 0.47914635 18935 61 275 0 15853289 98040 11449 6802 0.88516585 86713 50 0
43000 1.7542467 1.7542467 0.90554851 0.015254716 -0.34255301 2.2712746 1.0497057 19154 64 304 0 16324953 98040 11449 6786 0.90554851 89455 50 0
44000 2.2479548 2.2479548 0.91641099 0.019654899 -0.42303473 2.9264179 0.91746265 18945 74 571 0 16758611 98040 11449 6783 0.91641099 92090 50 0
45000 2.1158512 2.1158512 0.91293716 0.018206737 -0.44181723 2.7108011 0.99334995 19184 61 485 0 17221151 98040 11449 6779 0.91293716 94841 50 0
46000 2.0152012 2.0152012 0.89835135 0.016867945 -0.49118143 2.5114683 0.66818297 19378 58 360 0 17710361 98040 11449 6789 0.89835135 97688 50 0
47000 2.5657032 2.5657032 0.90990935 0.021675185 -0.59567945 3.2272184 0.69894508 19451 66 427 0 18120146 98040 11449 6792 0.90990935 100021 50 0
48000 1.8478297 1.8478297 0.91589497 0.014167966 -0.64379773 2.1094685 0.49211287 19543 68 382 0 18534853 98040 11449 6815 0.91589497 102312 50 0
49000 2.4541697 2.4541697 0.90253297 0.022481005 -0.30951614 3.3471968 1.2611223 19472 56 286 0 18999871 98040 11449 6775 0.90253297 105133 50 0
50000 2.3302118 2.3302118 0.89753747 0.020434678 -0.42949642 3.0425192 0.99789859 19313 67 581 0 19470693 98040 11449 6760 0.89753747 107732 50 0
51000 1.9622255 1.9622255 0.94038395 0.016081535 -0.52933612 2.3943798 0.76520959 19556 63 598 0 19952485 98040 11449 6767 0.94038395 110585 50 0
52000 2.0649042 2.0649042 0.90596725 0.017450187 -0.47854892 2.5981584 0.70025754 19363 47 393 0 20407302 98040 11449 6832 0.90596725 113294 50 0
53000 1.7438902 1.7438902 0.92620113 0.014870808 -0.38428182 2.2141146 0.97045847 19199 50 320 0 20833593 98040 11449 6775 0.92620113 115753 50 0
54000 2.4133126 2.4133126 0.91091821 0.023458785 -0.10305736 3.4927785 1.5340967 18894 60 295 0 21304132 98040 11449 6765 0.91091821 118526 50 0
55000 2.2079351 2.2079351 0.89049352 0.019281645 -0.41897921 2.8708441 0.96570508 19047 54 377 0 21797810 98040 11449 6775 0.89049352 121460 50 0
56000 2.1479887 2.1479887 0.89773595 0.018643072 -0.42473615 2.7757671 0.87853659 19064 54 363 0 22220051 98040 11449 6788 0.89773595 123820 50 0
57000 2.5642675 2.5642675 0.88789613 0.023095645 -0.38204805 3.4387105 1.0057392 19304 77 395 0 22692743 98040 11449 6744 0.88789613 126497 50 0
58000 3.7514362 3.7514362 0.85798081 0.035436484 -0.31350184 5.2761381 1.381171 19437 57 286 0 23100326 98040 11449 6788 0.85798081 128811 50 0
59000 2.51444 2.51444 0.8979786 0.021651184 -0.52287077 3.2236448 0.77486862 19210 56 456 0 23467741 98040 11449 6766 0.8979786 131067 50 0
60000 1.8163765 1.8163765 0.88037429 0.015000644 -0.4729551 2.2334459 0.73205061 19529 59 557 0 23864523 98040 11449 6808 0.88037429 133293 50 0
61000 2.4385228 2.4385228 0.92121921 0.021765486 -0.39273586 3.2406631 1.0539662 19549 57 244 0 24304886 98040 11449 6789 0.92121921 135871 50 0
62000 1.9552803 1.9552803 0.88498431 0.016067216 -0.52111994 2.3922478 0.78048821 19880 70 348 0 24725026 98040 11449 6777 0.88498431 138244 50 0
63000 2.0485261 2.0485261 0.88137975 0.017772947 -0.40608982 2.6462141 0.81935985 19703 64 657 0 25146891 98040 11449 6795 0.88137975 140482 50 0
64000 5.6433836 5.6433836 0.90468317 0.053600869 -0.42800818 7.9806333 1.7881383 19539 70 628 0 25566274 98040 11449 6709 0.90468317 142990 50 0
65000 2.3294568 2.3294568 0.89455359 0.019432082 -0.57764791 2.8932427 0.82070889 19093 52 371 0 25984888 98040 11449 6763 0.89455359 145397 50 0
66000 2.2413888 2.2413888 0.89280517 0.019499997 -0.43631477 2.9033546 1.0155381 18850 57 417 0 26391227 98040 11449 6815 0.89280517 147627 50 0
67000 2.6544972 2.6544972 0.8630596 0.022892283 -0.5467689 3.408432 0.9203384 18921 49 226 0 26756243 98040 11449 6723 0.8630596 149679 50 0
68000 2.176732 2.176732 0.89394188 0.01818266 -0.53611435 2.7072163 0.9195041 19030 61 652 0 27141492 98040 11449 6844 0.89394188 151897 50 0
69000 2.0161273 2.0161273 0.88130839 0.016605036 -0.53170586 2.4723238 0.92131775 19182 66 650 0 27576227 98040 11449 6733 0.88130839 154351 50 0
70000 3.0377466 3.0377466 0.89771966 0.027971517 -0.36156324 4.1646792 1.3934191 18997 51 234 0 28008747 98040 11449 6746 0.89771966 156777 50 0
71000 3.1795524 3.1795524 0.8947838 0.028420307 -0.50603352 4.2314995 1.0722874 19618 55 490 0 28443736 98040 11449 6771 0.8947838 159142 50 0
72000 3.5426182 3.5426182 0.83954036 0.033941731 -0.22491678 5.0535844 1.6042774 19563 55 275 0 28881070 98040 11449 6797 0.83954036 161794 50 0
73000 2.2968425 2.2968425 0.86015879 0.02077218 -0.32952534 3.0927699 1.1404746 19485 70 451 0 29260883 98040 11449 6802 0.86015879 164068 50 0
74000 2.188706 2.188706 0.9280661 0.019084686 -0.41965301 2.8415189 0.78604118 19541 50 92 0 29685043 98040 11449 6781 0.9280661 166584 50 0
75000 1.7274084 1.7274084 0.92459156 0.01379811 -0.51943796 2.0544006 0.61217133 19550 53 316 0 30053826 98040 11449 6808 0.92459156 168827 50 0
76000 2.4210213 2.4210213 0.89819013 0.021426261 -0.41716573 3.190156 1.1110363 19438 59 425 0 30497237 98040 11449 6804 0.89819013 171460 50 0
77000 2.9878983 2.9878983 0.87463276 0.026030055 -0.5763537 3.8756148 0.8157204 19032 80 644 0 31000714 98040 11449 6755 0.87463276 174332 50 0
78000 2.3345289 2.3345289 0.90593483 0.019783234 -0.53292232 2.9455257 0.85832222 18950 68 654 0 31435875 98040 11449 6791 0.90593483 176899 50 0
79000 2.2705803 2.2705803 0.88397994 0.019430253 -0.49019424 2.8929703 0.86369694 18773 65 405 0 31880831 98040 11449 6739 0.88397994 179525 50 0
80000 4.6907116 4.6907116 0.87251492 0.045231772 -0.2546018 6.7345585 1.9476158 19100 56 373 0 32309541 98040 11449 6783 0.87251492 181794 50 0
81000 1.8511722 1.8511722 0.8626409 0.015075899 -0.51359597 2.2446506 0.58639182 18989 68 680 0 32724195 98040 11449 6807 0.8626409 184002 50 0
82000 2.5791982 2.5791982 0.86974688 0.023153218 -0.3957227 3.4472827 0.987724 19449 58 770 0 33133450 98040 11449 6768 0.86974688 186208 50 0
83000 1.7152161 1.7152161 0.87892802 0.013862381 -0.49170213 2.0639699 0.68749667 19349 58 385 0 33584010 98040 11449 6760 0.87892802 188626 50 0
84000 2.3488628 2.3488628 0.86203202 0.020814344 -0.40075798 3.0990477 0.92218361 19294 52 374 0 33968768 98040 11449 6763 0.86203202 190822 50 0
85000 2.116465 2.116465 0.84998598 0.018023607 -0.46999805 2.6835348 0.7339385 19382 64 561 0 34335861 98040 11449 6778 0.84998598 192856 50 0
86000 4.4975609 4.4975609 0.89396825 0.042207794 -0.41704734 6.2843185 1.5378572 19958 56 298 0 34732431 98040 11449 6701 0.89396825 195077 50 0
87000 2.6889768 2.6889768 0.86307648 0.02336651 -0.52753572 3.4790397 0.81754047 19936 57 641 0 35098414 98040 11449 6685 0.86307648 197104 50 0
88000 3.9319704 3.9319704 0.85779056 0.036230526 -0.46427285 5.394363 1.2276207 19788 46 182 0 35443091 98040 11449 6771 0.85779056 198936 50 0
89000 2.0653279 2.0653279 0.84504363 0.018343471 -0.3461792 2.7311593 1.0869811 19427 54 493 0 35777362 98040 11449 6798 0.84504363 200863 50 0
90000 4.8706166 4.8706166 0.86365369 0.045810202 -0.4365378 6.820681 1.4919543 19259 53 211 0 36161042 98040 11449 6791 0.86365369 203020 50 0
91000 2.2396034 2.2396034 0.8827157 0.019338006 -0.4577734 2.8792357 1.0068781 19474 69 343 0 36570010 98040 11449 6780 0.8827157 205151 50 0
92000 2.2950736 2.2950736 0.86370947 0.019380548 -0.53408981 2.8855698 0.81686894 19200 66 385 0 36941725 98040 11449 6784 0.86370947 207169 50 0
93000 2.8399649 2.8399649 0.86702804 0.025344222 -0.45804639 3.7735012 1.142371 18909 64 419 0 37350382 98040 11449 6827 0.86702804 209476 50 0
94000 2.0861949 2.0861949 0.87330649 0.01715277 -0.55455457 2.5538759 0.73150124 18803 66 511 0 37691022 98040 11449 6775 0.87330649 211354 50 0
95000 1.7673295 1.7673295 0.86863959 0.014315467 -0.50189106 2.1314299 0.73528684 18733 59 421 0 38033894 98040 11449 6761 0.86863959 213229 50 0
96000 2.3535506 2.3535506 0.85445343 0.019960525 -0.53486773 2.9719226 0.66615354 19029 55 396 0 38382273 98040 11449 6802 0.85445343 215176 50 0
97000 1.7008253 1.7008253 0.86268511 0.01373487 -0.48924484 2.0449848 0.78353064 19312 64 534 0 38766210 98040 11449 6794 0.86268511 217390 50 0
98000 2.1153875 2.1153875 0.88353399 0.019971062 -0.17843601 2.9734914 1.5344523 19479 57 559 0 39171672 98040 11449 6751 0.88353399 219740 50 0
99000 2.8415756 2.8415756 0.90324577 0.026409052 -0.30190393 3.9320437 1.5281054 19309 72 293 0 39584437 98040 11449 6746 0.90324577 222154 50 0
100000 9.0513641 9.0513641 0.85723531 0.087635776 -0.43844176 13.048091 2.4804268 19511 68 324 0 39976323 98040 11449 6832 0.85723531 224404 50 0
Loop time of 29.7394 on 8 procs for 100000 steps with 14889 atoms
Pair time (%) = 3.66754 (12.3322)
Neigh time (%) = 2.04132 (6.864)
Comm time (%) = 2.88159 (9.68944)
Outpt time (%) = 0.00693083 (0.0233052)
Other time (%) = 21.1421 (71.091)
Nlocal: 1861.12 ave 2131 max 1746 min
Histogram: 4 0 1 0 1 1 0 0 0 1
Nghost: 34.375 ave 37 max 31 min
Histogram: 1 1 0 1 0 1 1 0 1 2
Neighs: 45.875 ave 53 max 40 min
Histogram: 2 0 0 2 1 1 0 0 0 2
Total # of neighbors = 367
Ave neighs/atom = 0.0246491
Neighbor list builds = 5247
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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LAMMPS (9 Sep 2013)
# SRD viscosity demo - ellipsoids
units lj
atom_style ellipsoid
atom_modify first big
dimension 2
# create big ellipsoidal particles
lattice sq 0.14
Lattice spacing in x,y,z = 2.67261 2.67261 2.67261
region box block 0 10 0 10 -0.5 0.5
create_box 2 box
Created orthogonal box = (0 0 -1.33631) to (26.7261 26.7261 1.33631)
4 by 2 by 1 MPI processor grid
create_atoms 1 region box
Created 100 atoms
set type 1 mass 1.0
100 settings made for mass
set type 1 shape 3.0 1.0 1.0
100 settings made for shape
group big type 1
100 atoms in group big
set group big quat/random 29898
100 settings made for quat/random
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve/asphere
fix 2 all enforce2d
compute rot big temp/asphere
#dump 1 all custom 10 dump.ellipsoid.equil id type x y z # quatw quati quatj quatk
thermo_style custom step temp c_rot epair etotal press
thermo 100
run 1000
Memory usage per processor = 3.31955 Mbytes
Step Temp rot E_pair TotEng Press
0 1.44 0.95677852 2.7038078 4.1294078 10.518912
100 2.5524145 2.801098 -0.37027046 2.1566199 0.84703874
200 2.6266386 2.7938164 -0.35322565 2.2471465 1.004886
300 2.9987557 2.9499545 -0.58917376 2.3795944 0.73081788
400 2.8557446 2.8208128 -0.39904801 2.4281391 0.91808964
500 2.4399047 2.8255746 -0.40056447 2.0149412 1.0538908
600 2.854258 2.9166789 -0.53424483 2.2914706 0.8117508
700 2.9593679 2.8231211 -0.40051715 2.5292571 1.1630889
800 2.7632972 2.9060854 -0.52075353 2.2149107 0.77106777
900 2.9905599 2.8869667 -0.49099384 2.4696604 0.6961683
1000 2.8470141 2.9005014 -0.51282121 2.3057228 0.68817475
Loop time of 0.216003 on 8 procs for 1000 steps with 100 atoms
Pair time (%) = 0.033883 (15.6863)
Neigh time (%) = 0.000561774 (0.260077)
Comm time (%) = 0.110359 (51.0913)
Outpt time (%) = 0.00236297 (1.09395)
Other time (%) = 0.0688367 (31.8684)
Nlocal: 12.5 ave 16 max 8 min
Histogram: 1 1 0 0 0 3 0 0 1 2
Nghost: 34.125 ave 42 max 28 min
Histogram: 1 0 2 2 0 1 0 1 0 1
Neighs: 46.125 ave 65 max 20 min
Histogram: 1 0 1 0 1 2 0 0 1 2
Total # of neighbors = 369
Ave neighs/atom = 3.69
Neighbor list builds = 174
Dangerous builds = 0
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 120.0
Lattice spacing in x,y,z = 0.0912871 0.0912871 0.0912871
create_atoms 2 region plane
Created 85849 atoms
set type 2 mass 0.01
85849 settings made for mass
group small type 2
85849 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 2.0
neigh_modify one 10000
delete_atoms overlap 1.6 small big
Deleted 71060 atoms, new total = 14889
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style gayberne 1.0 3.0 1.0 4.0
pair_coeff 1 1 1.0 1.0 1 1 1 1 1 1
pair_coeff 1 2 1.0 1.0 1 1 1 1 1 1 0.0
pair_coeff 2 2 1.0 1.0 1 1 1 1 1 1 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.0005
fix 1 big nve/asphere
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 collision noslip search 0.2 inside ignore exact no bounce 50
fix 3 small viscosity 20 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/asphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp c_rot f_2[9] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all custom 500 dump.ellipsoid.mp id type x y z # quatw quati quatj quatk
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 50000
SRD info:
SRD/big particles = 14789 100
big particle diameter max/min = 3 1
SRD temperature & lamda = 1 0.1
SRD max distance & max velocity = 0.4 40
SRD grid counts: 107 107 1
SRD grid size: request, actual (xyz) = 0.25, 0.249777 0.249777 2.67261
SRD per actual grid cell = 1.92757
SRD viscosity = 0.688101
big/SRD mass density ratio = 1.37367
# of rescaled SRD velocities = 0
ave/max small velocity = 13.3093 24.3359
ave/max big velocity = 2.08028 5.05672
Memory usage per processor = 10.6335 Mbytes
Step Temp rot 2[9] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 2.9005014 2.9005014 0 0.025582147 -0.51282121 3.8089259 0.89862319 0 0 0 0 0 0 0 0 0 0 0 0
1000 4.0772042 4.0772042 0.6709105 0.040214379 -0.08751542 5.9875189 2.7529672 14344 42 225 0 224495 98040 11449 6583 0.6709105 1320 50 0
2000 2.7438363 2.7438363 0.76662675 0.02408678 -0.50203535 3.5862807 1.751055 15904 52 228 0 516986 98040 11449 6696 0.76662675 3017 50 0
3000 4.3077081 4.3077081 0.80827675 0.039345067 -0.56039804 5.858087 1.7998404 16676 49 241 0 813000 98040 11449 6693 0.80827675 4732 50 0
4000 2.6526774 2.6526774 0.78555744 0.022082331 -0.66465108 3.2878383 1.0403545 17617 43 222 0 1127008 98040 11449 6765 0.78555744 6334 50 0
5000 2.594913 2.594913 0.82350776 0.021770968 -0.62494096 3.2414795 1.0780953 17703 57 382 0 1391570 98040 11449 6743 0.82350776 7729 50 0
6000 3.0343473 3.0343473 0.84065515 0.026658458 -0.55199962 3.9691778 1.2301173 18015 52 363 0 1676493 98040 11449 6775 0.84065515 9263 50 0
7000 3.0413763 3.0413763 0.79884495 0.026536497 -0.58063167 3.9510191 1.1147571 18292 55 458 0 1953690 98040 11449 6800 0.79884495 10658 50 0
8000 2.7812045 2.7812045 0.80159783 0.024478142 -0.49944409 3.6445506 1.3707277 18408 61 475 0 2238100 98040 11449 6833 0.80159783 12186 50 0
9000 2.7102571 2.7102571 0.82556805 0.023142083 -0.59265825 3.4456248 0.98842401 18286 61 194 0 2576779 98040 11449 6818 0.82556805 13939 50 0
10000 3.2045912 3.2045912 0.8622825 0.027989227 -0.60752488 4.167316 1.1341927 18288 50 179 0 2962819 98040 11449 6720 0.8622825 15849 50 0
11000 4.6098925 4.6098925 0.8551898 0.042356478 -0.56228382 6.306456 1.4720289 18764 62 280 0 3277277 98040 11449 6818 0.8551898 17581 50 0
12000 3.5052136 3.5052136 0.85951127 0.03109149 -0.59355628 4.6292119 1.0101413 18788 51 361 0 3618996 98040 11449 6778 0.85951127 19490 50 0
13000 3.2931183 3.2931183 0.87082756 0.030037721 -0.43442997 4.4723163 1.3509023 19082 56 519 0 3950820 98040 11449 6816 0.87082756 21387 50 0
14000 3.3837607 3.3837607 0.84668317 0.030465137 -0.50584917 4.5359543 1.3664689 19368 59 413 0 4299096 98040 11449 6788 0.84668317 23311 50 0
15000 3.9613429 3.9613429 0.88196505 0.038203107 -0.21434033 5.6880606 1.8415287 18619 61 472 0 4666678 98040 11449 6808 0.88196505 25272 50 0
16000 4.2615312 4.2615312 0.82672895 0.038879833 -0.56086323 5.7888183 1.2281404 18687 49 453 0 5016630 98040 11449 6724 0.82672895 27200 50 0
17000 3.1642486 3.1642486 0.82812979 0.028702004 -0.44128899 4.2734414 1.2224354 18918 54 385 0 5318150 98040 11449 6780 0.82812979 28796 50 0
18000 4.326255 4.326255 0.80700754 0.039935329 -0.50014888 5.9459711 1.5337863 19242 59 417 0 5620823 98040 11449 6819 0.80700754 30496 50 0
19000 4.7303091 4.7303091 0.82398378 0.043920179 -0.50888521 6.5392754 1.3695551 18896 56 276 0 5900972 98040 11449 6807 0.82398378 32209 50 0
20000 3.4002668 3.4002668 0.84006847 0.031221557 -0.41781984 4.6485777 1.1290385 18861 52 142 0 6221193 98040 11449 6816 0.84006847 33883 50 0
21000 3.8655857 3.8655857 0.85324995 0.03542669 -0.48504283 5.2746799 1.0819496 19111 53 192 0 6513564 98040 11449 6830 0.85324995 35352 50 0
22000 3.6574509 3.6574509 0.84025473 0.033965163 -0.39252882 5.0570731 1.4286148 19280 54 269 0 6824809 98040 11449 6781 0.84025473 36941 50 0
23000 4.4296219 4.4296219 0.86770551 0.041555285 -0.41297036 6.1871663 1.4156152 19160 37 435 0 7161579 98040 11449 6752 0.86770551 38716 50 0
24000 4.0435169 4.0435169 0.84111419 0.036578859 -0.57861376 5.4462264 0.96478184 19059 48 379 0 7512598 98040 11449 6797 0.84111419 40660 50 0
25000 3.8100627 3.8100627 0.84181242 0.035211679 -0.43432659 5.2426668 1.3297193 19418 54 385 0 7859647 98040 11449 6749 0.84181242 42653 50 0
26000 4.4865488 4.4865488 0.83287786 0.041526308 -0.50210571 6.182852 1.2409485 19282 51 239 0 8238637 98040 11449 6792 0.83287786 44767 50 0
27000 7.0852396 7.0852396 0.85841948 0.068172726 -0.40676992 10.150237 2.0194952 19317 56 283 0 8632769 98040 11449 6726 0.85841948 46983 50 0
28000 5.1517725 5.1517725 0.87627692 0.048475654 -0.45860096 7.2175401 1.3442212 18868 59 429 0 8971998 98040 11449 6805 0.87627692 48888 50 0
29000 3.759401 3.759401 0.85080417 0.034921423 -0.40205682 5.1994507 1.2957581 19528 51 223 0 9358797 98040 11449 6767 0.85080417 50864 50 0
30000 4.1056897 4.1056897 0.89048135 0.038239787 -0.42395586 5.6935219 1.3427608 19322 55 320 0 9714933 98040 11449 6726 0.89048135 52987 50 0
31000 3.9169919 3.9169919 0.83225664 0.036119283 -0.45851779 5.3778001 1.2227344 19378 56 183 0 10093157 98040 11449 6835 0.83225664 55203 50 0
32000 4.2947449 4.2947449 0.85282769 0.040398791 -0.38419394 6.0149759 1.4475348 18971 64 192 0 10449851 98040 11449 6788 0.85282769 57103 50 0
33000 6.3981858 6.3981858 0.8752853 0.061770539 -0.33628134 9.1970155 1.8805105 19093 65 113 0 10906186 98040 11449 6698 0.8752853 59700 50 0
34000 4.1610677 4.1610677 0.84406404 0.038747185 -0.43092244 5.7690684 1.1157695 19427 62 413 0 11309588 98040 11449 6739 0.84406404 62078 50 0
35000 4.8088073 4.8088073 0.87151511 0.045354512 -0.4122896 6.7528333 1.4394764 19376 66 434 0 11696476 98040 11449 6763 0.87151511 64175 50 0
36000 4.2921897 4.2921897 0.84488024 0.039617438 -0.49672227 5.8986404 1.1291104 19529 45 264 0 12022588 98040 11449 6795 0.84488024 65897 50 0
37000 3.7112825 3.7112825 0.8416428 0.033678706 -0.51538845 5.0144225 1.0454583 19827 69 455 0 12340474 98040 11449 6782 0.8416428 67632 50 0
38000 3.6819111 3.6819111 0.85373497 0.034285125 -0.38133519 5.1047123 1.2393947 19380 47 149 0 12643621 98040 11449 6771 0.85373497 69404 50 0
39000 4.271666 4.271666 0.87592802 0.040171423 -0.38365909 5.9811232 1.3509653 19208 53 437 0 12951773 98040 11449 6773 0.87592802 71144 50 0
40000 7.8961104 7.8961104 0.83195448 0.075474381 -0.52782399 11.237381 2.0854836 19587 54 140 0 13284474 98040 11449 6739 0.83195448 73005 50 0
41000 5.3324705 5.3324705 0.84594041 0.050595382 -0.41223462 7.5331464 1.8824 19398 60 246 0 13591740 98040 11449 6739 0.84594041 74623 50 0
42000 5.3412052 5.3412052 0.85510315 0.050390916 -0.45569229 7.5027035 1.6185323 19004 56 411 0 13943637 98040 11449 6811 0.85510315 76708 50 0
43000 4.538738 4.538738 0.84330484 0.04134934 -0.6062163 6.1565033 0.93340583 18747 55 166 0 14310076 98040 11449 6816 0.84330484 78713 50 0
44000 4.7059719 4.7059719 0.87465087 0.043139856 -0.58880485 6.4230932 1.1555897 18636 55 185 0 14663012 98040 11449 6779 0.87465087 80547 50 0
45000 4.3751196 4.3751196 0.8849121 0.039833588 -0.58810522 5.930823 1.3402888 18537 61 382 0 15031341 98040 11449 6796 0.8849121 82486 50 0
46000 3.8815029 3.8815029 0.84817481 0.034767594 -0.60689233 5.1765471 0.94880018 18642 64 807 0 15350275 98040 11449 6877 0.84817481 84256 50 0
47000 4.2821501 4.2821501 0.85615543 0.039739616 -0.46357218 5.9168314 1.2473512 19321 51 240 0 15717133 98040 11449 6744 0.85615543 86379 50 0
48000 4.8566025 4.8566025 0.88283248 0.045601238 -0.44676931 6.7895684 1.3643402 19369 64 555 0 16181209 98040 11449 6711 0.88283248 89052 50 0
49000 5.041306 5.041306 0.83860275 0.046968778 -0.51836452 6.9931814 1.2925069 19148 56 645 0 16630113 98040 11449 6767 0.83860275 91645 50 0
50000 4.017754 4.017754 0.85846415 0.037037752 -0.47190243 5.514551 1.2505985 19331 70 388 0 17084877 98040 11449 6815 0.85846415 94299 50 0
Loop time of 14.4429 on 8 procs for 50000 steps with 14889 atoms
Pair time (%) = 1.82692 (12.6493)
Neigh time (%) = 0.991614 (6.86577)
Comm time (%) = 1.32936 (9.20426)
Outpt time (%) = 0.0033724 (0.02335)
Other time (%) = 10.2916 (71.2574)
Nlocal: 1861.12 ave 1950 max 1735 min
Histogram: 1 0 1 0 1 0 1 2 1 1
Nghost: 34 ave 37 max 30 min
Histogram: 1 0 1 0 2 1 0 0 1 2
Neighs: 46.125 ave 64 max 32 min
Histogram: 1 2 0 1 1 1 0 0 1 1
Total # of neighbors = 369
Ave neighs/atom = 0.0247834
Neighbor list builds = 2575
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

View File

@ -0,0 +1,713 @@
LAMMPS data file for Nanoparticles
350 atoms
350 lines
1 atom types
-22.553882286 22.553882286 xlo xhi
-22.553882286 22.553882286 ylo yhi
-0.5 0.5 zlo zhi
Atoms
1 1 1 1 1 -21.9309 22.372 0 0 -1 0
2 1 1 1 1 -22.3524 -21.8641 0 0 0 0
3 1 1 1 1 21.9309 -22.372 0 -1 0 0
4 1 1 1 1 22.3524 21.8641 0 -1 -1 0
5 2 1 1 1 -17.6247 22.2537 0 0 -1 0
6 2 1 1 1 -17.8301 -22.257 0 0 0 0
7 2 1 1 1 -18.2561 22.257 0 0 -1 0
8 3 1 1 1 -13.0449 22.1713 0 0 -1 0
9 3 1 1 1 -13.3179 -22.2807 0 0 0 0
10 3 1 1 1 -13.7468 22.2807 0 0 -1 0
11 4 1 1 1 -8.75987 22.3547 0 0 -1 0
12 4 1 1 1 -8.66487 -22.0853 0 0 0 0
13 4 1 1 1 -9.28324 -22.3547 0 0 0 0
14 4 1 1 1 -9.37823 22.0853 0 0 -1 0
15 5 1 1 1 -5.19054 22.1792 0 0 -1 0
16 5 1 1 1 -4.30473 22.1801 0 0 -1 0
17 5 1 1 1 -3.83102 -22.1792 0 0 0 0
18 5 1 1 1 -4.71682 -22.1801 0 0 0 0
19 6 1 1 1 0.436469 21.6771 0 0 -1 0
20 6 1 1 1 0.803611 -22.1538 0 0 0 0
21 6 1 1 1 -0.436469 -21.6771 0 0 0 0
22 6 1 1 1 -0.803611 22.1538 0 0 -1 0
23 7 1 1 1 4.0932 -22.1592 0 0 0 0
24 7 1 1 1 4.32148 22.3536 0 0 -1 0
25 7 1 1 1 4.70007 -22.3536 0 0 0 0
26 8 1 1 1 8.90597 -22.1682 0 0 0 0
27 8 1 1 1 8.83184 22.497 0 0 -1 0
28 8 1 1 1 9.21127 -22.497 0 0 0 0
29 9 1 1 1 14.0318 22.1687 0 0 -1 0
30 9 1 1 1 13.7514 -22.2698 0 0 0 0
31 9 1 1 1 13.3132 22.2698 0 0 -1 0
32 10 1 1 1 18.0006 -21.8677 0 0 0 0
33 10 1 1 1 17.7358 22.5348 0 0 -1 0
34 10 1 1 1 18.3504 -22.5348 0 0 0 0
35 11 1 1 1 -21.9981 -18.4031 0 0 0 0
36 11 1 1 1 -22.358 -17.7407 0 0 0 0
37 11 1 1 1 22.358 -18.3455 0 -1 0 0
38 12 1 1 1 -18.6386 -17.7329 0 0 0 0
39 12 1 1 1 -18.2077 -18.3592 0 0 0 0
40 12 1 1 1 -17.4476 -18.3533 0 0 0 0
41 12 1 1 1 -17.8785 -17.727 0 0 0 0
42 13 1 1 1 -13.0344 -17.9667 0 0 0 0
43 13 1 1 1 -13.5538 -17.9034 0 0 0 0
44 13 1 1 1 -13.5109 -18.1828 0 0 0 0
45 14 1 1 1 -9.32865 -17.4667 0 0 0 0
46 14 1 1 1 -9.21311 -18.1452 0 0 0 0
47 14 1 1 1 -8.82999 -17.941 0 0 0 0
48 15 1 1 1 -4.21523 -17.4899 0 0 0 0
49 15 1 1 1 -4.64996 -17.9688 0 0 0 0
50 15 1 1 1 -4.3716 -18.1175 0 0 0 0
51 16 1 1 1 0.355481 -17.6597 0 0 0 0
52 16 1 1 1 -0.116783 -17.9348 0 0 0 0
53 16 1 1 1 0.116783 -18.1514 0 0 0 0
54 17 1 1 1 4.16941 -18.5613 0 0 0 0
55 17 1 1 1 4.70167 -18.1689 0 0 0 0
56 17 1 1 1 4.31988 -17.9173 0 0 0 0
57 18 1 1 1 9.18105 -17.4322 0 0 0 0
58 18 1 1 1 8.8305 -17.9932 0 0 0 0
59 18 1 1 1 9.2126 -18.093 0 0 0 0
60 19 1 1 1 13.9797 -17.4947 0 0 0 0
61 19 1 1 1 13.0419 -17.643 0 0 0 0
62 19 1 1 1 13.085 -18.5915 0 0 0 0
63 19 1 1 1 14.0228 -18.4432 0 0 0 0
64 20 1 1 1 17.6859 -17.5436 0 0 0 0
65 20 1 1 1 17.7824 -18.2295 0 0 0 0
66 20 1 1 1 18.3038 -17.8567 0 0 0 0
67 21 1 1 1 -21.757 -13.1132 0 0 0 0
68 21 1 1 1 22.1712 -12.8047 0 -1 0 0
69 21 1 1 1 21.757 -13.9514 0 -1 0 0
70 21 1 1 1 -22.1712 -14.26 0 0 0 0
71 22 1 1 1 -17.0495 -13.5484 0 0 0 0
72 22 1 1 1 -18.0285 -12.631 0 0 0 0
73 22 1 1 1 -19.0367 -13.5162 0 0 0 0
74 22 1 1 1 -18.0577 -14.4336 0 0 0 0
75 23 1 1 1 -13.6605 -13.2555 0 0 0 0
76 23 1 1 1 -13.8606 -13.6843 0 0 0 0
77 23 1 1 1 -13.2041 -13.3804 0 0 0 0
78 24 1 1 1 -8.8417 -13.0895 0 0 0 0
79 24 1 1 1 -9.86336 -13.1904 0 0 0 0
80 24 1 1 1 -9.20141 -13.9752 0 0 0 0
81 24 1 1 1 -8.17975 -13.8742 0 0 0 0
82 25 1 1 1 -4.61283 -13.2697 0 0 0 0
83 25 1 1 1 -5.18814 -13.7956 0 0 0 0
84 25 1 1 1 -4.40872 -13.7949 0 0 0 0
85 25 1 1 1 -3.83341 -13.2691 0 0 0 0
86 26 1 1 1 -0.346099 -12.7198 0 0 0 0
87 26 1 1 1 -0.291743 -13.6566 0 0 0 0
88 26 1 1 1 0.346099 -14.3448 0 0 0 0
89 26 1 1 1 0.291743 -13.4081 0 0 0 0
90 27 1 1 1 4.51904 -14.1033 0 0 0 0
91 27 1 1 1 4.80008 -13.5281 0 0 0 0
92 27 1 1 1 4.50251 -12.9614 0 0 0 0
93 27 1 1 1 4.22147 -13.5365 0 0 0 0
94 28 1 1 1 8.8405 -12.9982 0 0 0 0
95 28 1 1 1 8.70416 -13.6399 0 0 0 0
96 28 1 1 1 9.33895 -13.4248 0 0 0 0
97 29 1 1 1 12.9728 -12.8554 0 0 0 0
98 29 1 1 1 12.9737 -13.994 0 0 0 0
99 29 1 1 1 14.0918 -14.2093 0 0 0 0
100 29 1 1 1 14.0909 -13.0706 0 0 0 0
101 30 1 1 1 17.3334 -13.4153 0 0 0 0
102 30 1 1 1 17.9882 -13.8653 0 0 0 0
103 30 1 1 1 18.098 -13.1994 0 0 0 0
104 31 1 1 1 -22.2554 -8.51311 0 0 0 0
105 31 1 1 1 22.2995 -8.87217 0 -1 0 0
106 31 1 1 1 22.2554 -9.52999 0 -1 0 0
107 31 1 1 1 -22.2995 -9.17094 0 0 0 0
108 32 1 1 1 -18.3101 -8.92891 0 0 0 0
109 32 1 1 1 -18.1207 -9.24514 0 0 0 0
110 32 1 1 1 -17.9655 -8.79797 0 0 0 0
111 33 1 1 1 -13.0659 -9.00073 0 0 0 0
112 33 1 1 1 -13.5428 -8.7872 0 0 0 0
113 33 1 1 1 -13.5219 -9.25591 0 0 0 0
114 34 1 1 1 -9.0919 -9.33387 0 0 0 0
115 34 1 1 1 -8.79409 -9.07279 0 0 0 0
116 34 1 1 1 -9.24901 -8.97032 0 0 0 0
117 35 1 1 1 -4.20121 -9.05598 0 0 0 0
118 35 1 1 1 -4.44591 -8.43832 0 0 0 0
119 35 1 1 1 -4.82034 -8.98712 0 0 0 0
120 35 1 1 1 -4.57564 -9.60478 0 0 0 0
121 36 1 1 1 -0.418902 -8.48512 0 0 0 0
122 36 1 1 1 -0.254536 -9.22032 0 0 0 0
123 36 1 1 1 0.254536 -8.82278 0 0 0 0
124 37 1 1 1 4.73794 -8.56751 0 0 0 0
125 37 1 1 1 4.27276 -8.90247 0 0 0 0
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236 8.46902 4.4344 9.61627 4.28196
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239 14.0175 4.65623 12.9062 4.8354
240 18.1274 3.56818 18.9521 4.24755
241 18.9521 4.24755 17.9588 5.45337
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253 -9.21427 8.29726 -8.31592 9.27417
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264 -0.493978 9.56586 -0.711752 8.83798
265 5.03931 9.34955 4.21764 9.57018
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267 4.39308 8.58324 5.03931 9.34955
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271 13.584 9.48768 13.1086 9.22258
272 13.1086 9.22258 13.4807 8.55542
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276 18.7116 8.10734 19.1131 9.39255
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304 5.07414 12.9367 5.31861 13.3923
305 9.59755 14.2478 8.41182 14.2192
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307 9.03842 12.8311 9.59755 14.2478
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309 12.9271 13.7274 13.5788 12.8981
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311 14.1376 13.3372 13.4859 14.1666
312 18.5988 13.9501 18.097 14.2255
313 18.097 14.2255 17.7383 12.9769
314 17.7383 12.9769 18.5988 13.9501
315 22.7474 18.8325 21.7537 17.9005
316 21.7537 17.9005 22.8572 17.7197
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322 -13.4292 18.7613 -14.2203 18.2735
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328 -7.8492 18.1873 -8.77474 19.1982
329 -4.41664 17.4425 -3.90954 17.9533
330 -3.90954 17.9533 -4.85846 18.3883
331 -4.85846 18.3883 -4.41664 17.4425
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333 0.263523 18.8426 -0.508126 18.7143
334 -0.508126 18.7143 -0.263523 17.2436
335 -0.263523 17.2436 0.508126 17.3719
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338 4.69162 17.85 4.67331 18.5578
339 9.61426 17.4551 9.46127 18.7528
340 9.46127 18.7528 8.42885 18.6311
341 8.42885 18.6311 8.58184 17.3334
342 8.58184 17.3334 9.61426 17.4551
343 14.1999 17.6664 14.2426 18.3312
344 14.2426 18.3312 12.8648 18.4198
345 12.8648 18.4198 12.822 17.755
346 12.822 17.755 14.1999 17.6664
347 18.2159 18.9494 17.1522 17.8033
348 17.1522 17.8033 17.8703 17.1368
349 17.8703 17.1368 18.934 18.2829
350 18.934 18.2829 18.2159 18.9494

View File

@ -0,0 +1,813 @@
LAMMPS data file for Nanoparticles
400 atoms
400 lines
2 atom types
-28.7967574883 28.7967574883 xlo xhi
-28.7967574883 28.7967574883 ylo yhi
-0.5 0.5 zlo zhi
Atoms
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19 5 1 1 1 -6.04206 -28.3124 0 0 0 0
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31 8 1 1 1 12.0726 28.7746 0 0 -1 0
32 8 1 1 1 11.5316 -28.4757 0 0 0 0
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205 -23.4701 -0.877604 -22.5564 -0.8521
206 -22.5564 -0.8521 -22.6047 0.877604
207 -22.6047 0.877604 -23.5184 0.8521
208 -23.5184 0.8521 -23.4701 -0.877604
209 -16.4878 0.303781 -17.7315 0.715022
210 -17.7315 0.715022 -18.0684 -0.303781
211 -18.0684 -0.303781 -16.8246 -0.715022
212 -16.8246 -0.715022 -16.4878 0.303781
213 -11.2933 1.07169 -12.5754 -0.287524
214 -12.5754 -0.287524 -11.7441 -1.07169
215 -11.7441 -1.07169 -10.462 0.287524
216 -10.462 0.287524 -11.2933 1.07169
217 -4.68524 0.203442 -5.35656 1.0163
218 -5.35656 1.0163 -6.83346 -0.203442
219 -6.83346 -0.203442 -6.16215 -1.0163
220 -6.16215 -1.0163 -4.68524 0.203442
221 -1.19024 -0.126705 -0.342421 -1.14694
222 -0.342421 -1.14694 1.19024 0.126705
223 1.19024 0.126705 0.342421 1.14694
224 0.342421 1.14694 -1.19024 -0.126705
225 6.71344 0.429367 5.34272 0.959714
226 5.34272 0.959714 4.80527 -0.429367
227 4.80527 -0.429367 6.17599 -0.959714
228 6.17599 -0.959714 6.71344 0.429367
229 12.2957 -0.623318 11.9436 0.90096
230 11.9436 0.90096 10.7417 0.623318
231 10.7417 0.623318 11.0938 -0.90096
232 11.0938 -0.90096 12.2957 -0.623318
233 17.2267 -0.647457 17.798 0.389214
234 17.798 0.389214 17.3294 0.647457
235 17.3294 0.647457 16.7581 -0.389214
236 16.7581 -0.389214 17.2267 -0.647457
237 23.6688 0.691581 22.1073 -0.108364
238 22.1073 -0.108364 22.406 -0.691581
239 22.406 -0.691581 23.9675 0.108364
240 23.9675 0.108364 23.6688 0.691581
241 28.9557 6.2918 28.2608 5.90606
242 28.2608 5.90606 28.6378 5.22691
243 -28.9557 5.22691 -28.2608 5.61264
244 -28.2608 5.61264 -28.6378 6.2918
245 -23.89 5.89712 -22.8569 4.91473
246 -22.8569 4.91473 -22.1848 5.62159
247 -22.1848 5.62159 -23.2179 6.60397
248 -23.2179 6.60397 -23.89 5.89712
249 -16.7735 5.03733 -16.426 5.53607
250 -16.426 5.53607 -17.7826 6.48138
251 -17.7826 6.48138 -18.1301 5.98264
252 -18.1301 5.98264 -16.7735 5.03733
253 -10.9217 6.37762 -11.913 6.523
254 -11.913 6.523 -12.1157 5.14109
255 -12.1157 5.14109 -11.1244 4.99571
256 -11.1244 4.99571 -10.9217 6.37762
257 -4.98733 5.05342 -5.91516 6.7938
258 -5.91516 6.7938 -6.53137 6.46528
259 -6.53137 6.46528 -5.60354 4.7249
260 -5.60354 4.7249 -4.98733 5.05342
261 -0.26966 4.77025 0.951863 5.37856
262 0.951863 5.37856 0.26966 6.74846
263 0.26966 6.74846 -0.951863 6.14014
264 -0.951863 6.14014 -0.26966 4.77025
265 5.77436 5.10711 6.3795 5.96198
266 6.3795 5.96198 5.74434 6.41159
267 5.74434 6.41159 5.1392 5.55672
268 5.1392 5.55672 5.77436 5.10711
269 11.021 4.87869 12.5278 5.68877
270 12.5278 5.68877 12.0164 6.64001
271 12.0164 6.64001 10.5096 5.82993
272 10.5096 5.82993 11.021 4.87869
273 17.7507 6.70584 16.2315 5.60455
274 16.2315 5.60455 16.8054 4.81286
275 16.8054 4.81286 18.3246 5.91415
276 18.3246 5.91415 17.7507 6.70584
277 22.1774 5.60572 23.4977 5.01684
278 23.4977 5.01684 23.8974 5.91298
279 23.8974 5.91298 22.5771 6.50186
280 22.5771 6.50186 22.1774 5.60572
281 28.1372 11.2236 29.0247 10.833
282 -28.5688 10.833 -28.1372 11.8138
283 -28.1372 11.8138 -29.0247 12.2044
284 28.5688 12.2044 28.1372 11.2236
285 -23.6032 10.6297 -22.8136 10.489
286 -22.8136 10.489 -22.4716 12.4077
287 -22.4716 12.4077 -23.2612 12.5484
288 -23.2612 12.5484 -23.6032 10.6297
289 -17.3285 12.2602 -18.0209 11.54
290 -18.0209 11.54 -17.2277 10.7772
291 -17.2277 10.7772 -16.5352 11.4974
292 -16.5352 11.4974 -17.3285 12.2602
293 -11.1352 10.6311 -10.8786 12.2433
294 -10.8786 12.2433 -11.9022 12.4063
295 -11.9022 12.4063 -12.1588 10.7941
296 -12.1588 10.7941 -11.1352 10.6311
297 -6.65614 11.3015 -4.95121 11.0734
298 -4.95121 11.0734 -4.86256 11.7359
299 -4.86256 11.7359 -6.56749 11.964
300 -6.56749 11.964 -6.65614 11.3015
301 -0.397617 12.2445 -0.775286 11.8083
302 -0.775286 11.8083 0.397617 10.7929
303 0.397617 10.7929 0.775286 11.2291
304 0.775286 11.2291 -0.397617 12.2445
305 6.787 11.7376 5.6699 12.5656
306 5.6699 12.5656 4.73171 11.2998
307 4.73171 11.2998 5.8488 10.4718
308 5.8488 10.4718 6.787 11.7376
309 11.5952 12.6899 10.3456 11.5563
310 10.3456 11.5563 11.4422 10.3475
311 11.4422 10.3475 12.6918 11.4811
312 12.6918 11.4811 11.5952 12.6899
313 16.4971 10.5598 18.2091 10.7048
314 18.2091 10.7048 18.059 12.4776
315 18.059 12.4776 16.347 12.3326
316 16.347 12.3326 16.4971 10.5598
317 22.8131 12.5548 22.0382 11.1645
318 22.0382 11.1645 23.2617 10.4826
319 23.2617 10.4826 24.0366 11.8729
320 24.0366 11.8729 22.8131 12.5548
321 -28.3823 18.0244 -28.914 18.1236
322 28.6795 18.1236 28.3823 16.5317
323 28.3823 16.5317 28.914 16.4325
324 -28.6795 16.4325 -28.3823 18.0244
325 -23.8712 17.904 -23.8367 16.6086
326 -23.8367 16.6086 -22.2036 16.6521
327 -22.2036 16.6521 -22.2381 17.9475
328 -22.2381 17.9475 -23.8712 17.904
329 -18.3008 17.4309 -17.5668 16.2851
330 -17.5668 16.2851 -16.2553 17.1252
331 -16.2553 17.1252 -16.9893 18.271
332 -16.9893 18.271 -18.3008 17.4309
333 -10.8288 16.8808 -11.6945 18.0545
334 -11.6945 18.0545 -12.2086 17.6753
335 -12.2086 17.6753 -11.3429 16.5016
336 -11.3429 16.5016 -10.8288 16.8808
337 -6.34971 16.874 -5.63553 16.5734
338 -5.63553 16.5734 -5.16899 17.6821
339 -5.16899 17.6821 -5.88317 17.9827
340 -5.88317 17.9827 -6.34971 16.874
341 0.797709 17.2922 -0.385847 17.9764
342 -0.385847 17.9764 -0.797709 17.2639
343 -0.797709 17.2639 0.385847 16.5797
344 0.385847 16.5797 0.797709 17.2922
345 6.69703 17.35 5.64245 18.2112
346 5.64245 18.2112 4.82167 17.2061
347 4.82167 17.2061 5.87625 16.3449
348 5.87625 16.3449 6.69703 17.35
349 11.0955 16.4838 12.4136 17.1822
350 12.4136 17.1822 11.9419 18.0723
351 11.9419 18.0723 10.6238 17.3739
352 10.6238 17.3739 11.0955 16.4838
353 16.3803 17.5797 16.5627 16.6575
354 16.5627 16.6575 18.1758 16.9764
355 18.1758 16.9764 17.9934 17.8986
356 17.9934 17.8986 16.3803 17.5797
357 23.6584 17.2077 23.1963 17.8824
358 23.1963 17.8824 22.4164 17.3484
359 22.4164 17.3484 22.8785 16.6737
360 22.8785 16.6737 23.6584 17.2077
361 -29.4056 22.3564 -27.8849 23.0927
362 -27.8849 23.0927 -28.1879 23.7184
363 29.4056 23.7184 27.8849 22.9821
364 27.8849 22.9821 28.1879 22.3564
365 -23.6258 22.5959 -23.2042 22.321
366 -23.2042 22.321 -22.449 23.4789
367 -22.449 23.4789 -22.8706 23.7538
368 -22.8706 23.7538 -23.6258 22.5959
369 -18.4856 22.9301 -17.4711 21.8406
370 -17.4711 21.8406 -16.0706 23.1447
371 -16.0706 23.1447 -17.085 24.2342
372 -17.085 24.2342 -18.4856 22.9301
373 -12.2822 23.4228 -12.3545 22.8562
374 -12.3545 22.8562 -10.7552 22.652
375 -10.7552 22.652 -10.6829 23.2186
376 -10.6829 23.2186 -12.2822 23.4228
377 -4.74027 22.5332 -5.52372 24.1497
378 -5.52372 24.1497 -6.77844 23.5416
379 -6.77844 23.5416 -5.99499 21.9251
380 -5.99499 21.9251 -4.74027 22.5332
381 -0.175729 21.9424 1.1072 22.9747
382 1.1072 22.9747 0.175729 24.1324
383 0.175729 24.1324 -1.1072 23.1001
384 -1.1072 23.1001 -0.175729 21.9424
385 5.16007 23.9104 4.73267 22.7781
386 4.73267 22.7781 6.35864 22.1644
387 6.35864 22.1644 6.78603 23.2967
388 6.78603 23.2967 5.16007 23.9104
389 11.7733 23.5059 11.0423 23.2768
390 11.0423 23.2768 11.2641 22.5689
391 11.2641 22.5689 11.9951 22.798
392 11.9951 22.798 11.7733 23.5059
393 16.2588 22.373 17.9064 21.9955
394 17.9064 21.9955 18.2973 23.7018
395 18.2973 23.7018 16.6497 24.0793
396 16.6497 24.0793 16.2588 22.373
397 22.8032 21.7662 24.33 23.0263
398 24.33 23.0263 23.2716 24.3087
399 23.2716 24.3087 21.7448 23.0485
400 21.7448 23.0485 22.8032 21.7662

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# Aspherical shear demo - 2d line box and triangle mixture, implicit solvent
units lj
atom_style line
dimension 2
read_data data.line
velocity all create 1.44 320984 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule all
pair_style line/lj 2.5
pair_coeff * * 1.0 0.25
fix 2 all rigid molecule langevin 2.0 2.0 1.0 492983
fix 3 all deform 1 x scale 0.3 y scale 0.3
fix 4 all enforce2d
compute 10 all property/atom end1x end1y end2x end2y
#dump 1 all custom 500 dump1.atom id type x y z ix iy iz
#dump 2 all custom 500 dump1.line id type &
# c_10[1] c_10[2] c_10[3] c_10[4]
timestep 0.004
compute 1 all erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step temp f_2 pe ke c_1 c_2 c_3 v_toteng
run 10000
#undump 1
#undump 2
unfix 3
change_box all triclinic
#dump 1 all custom 500 dump2.atom id type x y z ix iy iz
#dump 2 all custom 500 dump2.line id type &
# c_10[1] c_10[2] c_10[3] c_10[4]
fix 3 all deform 1 xy erate 0.01 units box
run 100000

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# Aspherical shear demo - 2d line boxes, solvated by SRD particles
units lj
atom_style line
atom_modify first big
dimension 2
read_data data.line.srd
# add small particles as hi density lattice
lattice sq 0.4
region plane block INF INF INF INF -0.001 0.001
lattice sq 10.0
create_atoms 2 region plane
group big type 1
group small type 2
set group small mass 0.01
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 1.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0
delete_atoms overlap 1.5 small big
# SRD run
reset_timestep 0
velocity small create 1.44 87287 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule big include big
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style line/lj 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 &
search 0.2 cubic warn 0.0001 shift yes 49829 &
overlap yes collision noslip
fix 3 all deform 1 x scale 0.35 y scale 0.35
fix 4 all enforce2d
# diagnostics
compute tsmall small temp/deform
compute tbig big temp
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
compute 1 big erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step temp c_tsmall f_2[9] c_1 etotal &
v_pebig v_ebig press
thermo_modify temp tbig
compute 10 big property/atom end1x end1y end2x end2y
#dump 1 all custom 500 dump1.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump1.line.srd id type &
# c_10[1] c_10[2] c_10[3] c_10[4]
run 10000
#undump 1
#undump 2
unfix 3
change_box all triclinic
fix 2 small srd 20 big 1.0 0.25 49894 &
search 0.2 cubic warn 0.0001 shift yes 49829 &
overlap yes collision noslip tstat yes
#dump 1 all custom 500 dump2.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump2.line.srd id type &
# c_10[1] c_10[2] c_10[3] c_10[4]
fix 3 all deform 1 xy erate 0.05 units box remap v
run 40000

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# create set of randomly oriented line boxes and triangles
p = patch(0.05)
p.seed = 54321
p.dim = 2
p.lattice = [10,10,1]
p.build(50,"linebox",0.5,2,0.5,2,1)
p.build(50,"linetri",0.5,1.5,0.5,1.5,1)
p.write("data.line")
print "all done ... type CTRL-D to exit Pizza.py"

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@ -0,0 +1,14 @@
# create set of randomly oriented line boxes
p = patch(0.05)
p.seed = 7878382
p.dim = 2
p.extratype = 1
p.lattice = [10,10,1]
p.build(100,"linebox",0.5,2,0.5,2,1)
p.write("data.line.srd")
print "all done ... type CTRL-D to exit Pizza.py"

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# Pizza.py viz of line + SRD output
d = dump("dump1.atom.srd dump2.atom.srd")
ld = ldump("dump1.line.srd dump2.line.srd")
ld.map(1,"id",2,"type",3,"end1x",4,"end1y",5,"end2x",6,"end2y")
d.extra(ld)
g = gl(d)
g.arad(1,0.2)
g.arad(2,0.05)
g.acol(2,"green")
g.lrad(1,5)
g.lcol(1,"yellow")
v = vcr(g)

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# Pizza.py viz of line output
d = dump("dump1.atom dump2.atom")
ld = ldump("dump1.line dump2.line")
ld.map(1,"id",2,"type",3,"end1x",4,"end1y",5,"end2x",6,"end2y")
d.extra(ld)
g = gl(d)
g.arad(1,0.2)
g.lrad(1,5)
g.lcol(1,"yellow")
v = vcr(g)

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LAMMPS (9 Sep 2013)
# Aspherical shear demo - 2d line box and triangle mixture, implicit solvent
units lj
atom_style line
dimension 2
read_data data.line
orthogonal box = (-22.5539 -22.5539 -0.5) to (22.5539 22.5539 0.5)
4 by 2 by 1 MPI processor grid
350 atoms
350 lines
velocity all create 1.44 320984 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule all
pair_style line/lj 2.5
pair_coeff * * 1.0 0.25
fix 2 all rigid molecule langevin 2.0 2.0 1.0 492983
100 rigid bodies with 350 atoms
fix 3 all deform 1 x scale 0.3 y scale 0.3
fix 4 all enforce2d
compute 10 all property/atom end1x end1y end2x end2y
#dump 1 all custom 500 dump1.atom id type x y z ix iy iz
#dump 2 all custom 500 dump1.line id type # c_10[1] c_10[2] c_10[3] c_10[4]
timestep 0.004
compute 1 all erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step temp f_2 pe ke c_1 c_2 c_3 v_toteng
run 10000
Memory usage per processor = 2.61117 Mbytes
Step Temp 2 PotEng KinEng 1 2 3 toteng
0 0 1.2780105 0 -0 0.037823677 0.50989511 0 0.54771879
1000 0 1.9896906 -0.13333755 -0 0.12630626 0.72641826 -0.13333755 0.71938697
2000 0 2.0629882 -0.27908342 -0 0.13861003 0.74552776 -0.27908342 0.60505437
3000 0 1.8455537 -0.39250848 -0 0.095169207 0.69578236 -0.39250848 0.39844309
4000 0 2.2658635 -0.55161143 -0 0.12832995 0.84275439 -0.55161143 0.41947292
5000 0 1.9816994 -0.51390753 -0 0.14128637 0.70801336 -0.51390753 0.3353922
6000 0 2.1402765 -0.68818261 -0 0.13705699 0.78020438 -0.68818261 0.22907875
7000 0 1.8879036 -0.69389883 -0 0.11522773 0.69387383 -0.69389883 0.11520273
8000 0 1.9256694 -1.0046071 -0 0.095344199 0.7299427 -1.0046071 -0.17932023
9000 0 2.4839132 -1.38036 -0 0.11921387 0.94532035 -1.38036 -0.31582573
10000 0 4.1795315 -2.4568772 -0 0.22554354 1.5656842 -2.4568772 -0.66564943
Loop time of 2.85775 on 8 procs for 10000 steps with 350 atoms
Pair time (%) = 1.30584 (45.6948)
Neigh time (%) = 0.0195708 (0.684831)
Comm time (%) = 0.739841 (25.8889)
Outpt time (%) = 0.000323623 (0.0113244)
Other time (%) = 0.792173 (27.7202)
Nlocal: 43.75 ave 53 max 33 min
Histogram: 1 1 0 0 1 1 1 1 0 2
Nghost: 167.625 ave 175 max 162 min
Histogram: 2 0 1 1 0 1 2 0 0 1
Neighs: 965.5 ave 1275 max 592 min
Histogram: 1 1 0 0 2 1 1 0 0 2
Total # of neighbors = 7724
Ave neighs/atom = 22.0686
Neighbor list builds = 992
Dangerous builds = 0
#undump 1
#undump 2
unfix 3
change_box all triclinic
triclinic box = (-6.76616 -6.76616 -0.5) to (6.76616 6.76616 0.5) with tilt (0 0 0)
#dump 1 all custom 500 dump2.atom id type x y z ix iy iz
#dump 2 all custom 500 dump2.line id type # c_10[1] c_10[2] c_10[3] c_10[4]
fix 3 all deform 1 xy erate 0.01 units box
run 100000
Memory usage per processor = 2.76376 Mbytes
Step Temp 2 PotEng KinEng 1 2 3 toteng
10000 0 4.1795315 -2.4550634 -0 0.22554354 1.5656842 -2.4550634 -0.66383559
11000 0 2.2075241 -2.8809797 -0 0.11091434 0.83516742 -2.8809797 -1.9348979
12000 0 1.9493319 -2.9401168 -0 0.12004101 0.71538694 -2.9401168 -2.1046889
13000 0 2.0703379 -2.9231023 -0 0.11264143 0.77464626 -2.9231023 -2.0358146
14000 0 2.285829 -3.0018463 -0 0.11344069 0.86620033 -3.0018463 -2.0222053
15000 0 2.2146248 -3.0779088 -0 0.10247134 0.84665359 -3.0779088 -2.1287838
16000 0 2.0374319 -3.096595 -0 0.12766202 0.74552307 -3.096595 -2.22341
17000 0 2.0424578 -2.9546375 -0 0.11887099 0.75646806 -2.9546375 -2.0792985
18000 0 2.0215091 -3.0832641 -0 0.14094822 0.7254128 -3.0832641 -2.2169031
19000 0 1.912014 -3.0907982 -0 0.11885677 0.70057781 -3.0907982 -2.2713637
20000 0 1.8485186 -3.1577807 -0 0.12433421 0.66788805 -3.1577807 -2.3655584
21000 0 2.232987 -3.0999629 -0 0.13015187 0.82684257 -3.0999629 -2.1429685
22000 0 1.9361293 -3.1342121 -0 0.1008643 0.72890539 -3.1342121 -2.3044424
23000 0 1.9060768 -3.0615084 -0 0.12228484 0.69460521 -3.0615084 -2.2446183
24000 0 1.9448392 -2.9606016 -0 0.14159101 0.69191153 -2.9606016 -2.1270991
25000 0 2.1660504 -3.2140907 -0 0.14303978 0.78526755 -3.2140907 -2.2857834
26000 0 1.8371913 -3.163434 -0 0.11009287 0.67727482 -3.163434 -2.3760663
27000 0 1.9273228 -2.9848424 -0 0.12756607 0.69842941 -2.9848424 -2.1588469
28000 0 2.070142 -3.0586453 -0 0.12517659 0.76202715 -3.0586453 -2.1714416
29000 0 2.0243688 -3.1272461 -0 0.089806967 0.77777967 -3.1272461 -2.2596594
30000 0 1.9818593 -3.0256998 -0 0.098952992 0.75041526 -3.0256998 -2.1763315
31000 0 1.7592998 -2.8404359 -0 0.11049582 0.6434898 -2.8404359 -2.0864503
32000 0 1.7487766 -2.9541667 -0 0.085982813 0.66349286 -2.9541667 -2.204691
33000 0 2.0423965 -3.2877576 -0 0.10594085 0.76937192 -3.2877576 -2.4124448
34000 0 2.0202408 -3.0287779 -0 0.13143335 0.73438411 -3.0287779 -2.1629605
35000 0 1.7258733 -3.0829339 -0 0.12308672 0.61657327 -3.0829339 -2.3432739
36000 0 1.946379 -3.1187644 -0 0.10475251 0.72940991 -3.1187644 -2.284602
37000 0 1.9226333 -3.1365556 -0 0.098688654 0.72529703 -3.1365556 -2.31257
38000 0 2.1381223 -3.2215646 -0 0.13208996 0.78424817 -3.2215646 -2.3052264
39000 0 1.9137815 -3.1350245 -0 0.096927831 0.72326422 -3.1350245 -2.3148325
40000 0 2.1566984 -3.1399426 -0 0.10589176 0.81840754 -3.1399426 -2.2156433
41000 0 2.2029223 -3.0800547 -0 0.12720677 0.81690279 -3.0800547 -2.1359451
42000 0 2.068079 -2.9537318 -0 0.13880404 0.74751552 -2.9537318 -2.0674122
43000 0 1.8772167 -3.1130957 -0 0.1156193 0.68890213 -3.1130957 -2.3085743
44000 0 1.8407682 -3.1109228 -0 0.097771189 0.69112948 -3.1109228 -2.3220221
45000 0 2.0494905 -2.9840347 -0 0.095646467 0.7827066 -2.9840347 -2.1056816
46000 0 2.2163122 -3.0658704 -0 0.12439358 0.82545449 -3.0658704 -2.1160223
47000 0 1.8286658 -3.001659 -0 0.097764124 0.68594977 -3.001659 -2.2179451
48000 0 1.7861007 -3.157209 -0 0.10806961 0.65740211 -3.157209 -2.3917372
49000 0 2.3424171 -2.9952429 -0 0.12941481 0.87447821 -2.9952429 -1.9913498
50000 0 2.0099179 -3.060017 -0 0.15393981 0.70745358 -3.060017 -2.1986236
51000 0 1.8690805 -3.021086 -0 0.11192641 0.68910809 -3.021086 -2.2200515
52000 0 2.0469976 -2.9563496 -0 0.13048197 0.74680271 -2.9563496 -2.0790649
53000 0 2.2401038 -3.0559983 -0 0.10819387 0.8518506 -3.0559983 -2.0959539
54000 0 1.8437777 -3.0802175 -0 0.13108587 0.65910459 -3.0802175 -2.290027
55000 0 2.2485612 -2.9437394 -0 0.12178099 0.84188811 -2.9437394 -1.9800703
56000 0 1.8222318 -3.0527441 -0 0.10915422 0.67180228 -3.0527441 -2.2717876
57000 0 2.1561793 -3.0003336 -0 0.10358587 0.82049098 -3.0003336 -2.0762567
58000 0 1.9379866 -3.1325759 -0 0.10665534 0.72391033 -3.1325759 -2.3020102
59000 0 2.16112 -3.196156 -0 0.11290132 0.81329295 -3.196156 -2.2699617
60000 0 1.8508831 -3.151339 -0 0.12640027 0.66683535 -3.151339 -2.3581033
61000 0 1.7351238 -2.9958379 -0 0.12838235 0.61524213 -2.9958379 -2.2522134
62000 0 1.8305334 -3.0374639 -0 0.10383968 0.68067464 -3.0374639 -2.2529496
63000 0 2.2367673 -3.1417012 -0 0.11585772 0.84275684 -3.1417012 -2.1830867
64000 0 2.2873947 -3.1657854 -0 0.1084843 0.87182771 -3.1657854 -2.1854734
65000 0 1.7673149 -3.081123 -0 0.079270339 0.67815032 -3.081123 -2.3237023
66000 0 2.1472736 -3.1099038 -0 0.12173859 0.79852151 -3.1099038 -2.1896437
67000 0 2.1833073 -3.013818 -0 0.1400615 0.79564164 -3.013818 -2.0781148
68000 0 1.9938003 -2.9343398 -0 0.12629592 0.72818991 -2.9343398 -2.079854
69000 0 2.2555939 -3.0503506 -0 0.11758718 0.84909591 -3.0503506 -2.0836675
70000 0 2.0388319 -2.9950566 -0 0.12363629 0.75014881 -2.9950566 -2.1212715
71000 0 1.8141136 -3.0258311 -0 0.098652611 0.67882464 -3.0258311 -2.2483539
72000 0 1.7151026 -3.0919257 -0 0.1283392 0.60670477 -3.0919257 -2.3568818
73000 0 2.1281558 -3.0969594 -0 0.097397121 0.81466967 -3.0969594 -2.1848927
74000 0 2.0550249 -3.0026527 -0 0.11303307 0.76769187 -3.0026527 -2.1219278
75000 0 1.8216777 -3.0492532 -0 0.10032974 0.68038929 -3.0492532 -2.2685342
76000 0 1.8821412 -3.1526568 -0 0.083229424 0.72340253 -3.1526568 -2.3460248
77000 0 1.816501 -3.0123759 -0 0.084071855 0.69442857 -3.0123759 -2.2338754
78000 0 1.7189542 -3.0214267 -0 0.11177435 0.62492029 -3.0214267 -2.2847321
79000 0 1.8539705 -3.0793108 -0 0.10505287 0.6895059 -3.0793108 -2.2847521
80000 0 2.2035184 -3.0527525 -0 0.12363997 0.82072506 -3.0527525 -2.1083875
81000 0 1.945693 -3.1132684 -0 0.14600054 0.6878679 -3.1132684 -2.2794
82000 0 1.795735 -3.0215328 -0 0.10068289 0.66891783 -3.0215328 -2.2519321
83000 0 1.9294772 -3.0559732 -0 0.12323701 0.70368177 -3.0559732 -2.2290544
84000 0 2.2371492 -3.1892042 -0 0.10837675 0.85040147 -3.1892042 -2.2304259
85000 0 1.8693537 -3.0154518 -0 0.10974173 0.69140987 -3.0154518 -2.2143002
86000 0 2.3336261 -3.0447602 -0 0.10374482 0.89638064 -3.0447602 -2.0446348
87000 0 2.0247453 -3.0739114 -0 0.095792545 0.77195542 -3.0739114 -2.2061634
88000 0 2.1841153 -3.0828606 -0 0.14190252 0.79414689 -3.0828606 -2.1468112
89000 0 1.8889123 -2.9751344 -0 0.1168507 0.69268316 -2.9751344 -2.1656006
90000 0 1.832885 -3.1223356 -0 0.086530724 0.69899142 -3.1223356 -2.3368134
91000 0 1.8171024 -2.9626386 -0 0.10382306 0.67493513 -2.9626386 -2.1838804
92000 0 2.1122077 -3.0302831 -0 0.12723447 0.77799742 -3.0302831 -2.1250513
93000 0 1.9057839 -3.1117399 -0 0.10937947 0.70738507 -3.1117399 -2.2949754
94000 0 1.9659464 -3.050968 -0 0.13636362 0.70618482 -3.050968 -2.2084195
95000 0 1.9002035 -3.0047996 -0 0.11999382 0.69437911 -3.0047996 -2.1904267
96000 0 1.9199317 -3.0139017 -0 0.11720599 0.70562186 -3.0139017 -2.1910738
97000 0 2.0101513 -3.1367555 -0 0.12168713 0.73980628 -3.1367555 -2.2752621
98000 0 1.934934 -3.1588351 -0 0.09924111 0.73001632 -3.1588351 -2.3295776
99000 0 2.0565056 -3.1074572 -0 0.11648468 0.76487486 -3.1074572 -2.2260976
100000 0 2.0859924 -2.9894335 -0 0.11944949 0.77454725 -2.9894335 -2.0954368
101000 0 2.0981715 -2.9580479 -0 0.11642673 0.78278961 -2.9580479 -2.0588316
102000 0 1.92629 -2.9768477 -0 0.1342305 0.69132234 -2.9768477 -2.1512949
103000 0 2.1248123 -3.0934115 -0 0.13641745 0.77421638 -3.0934115 -2.1827777
104000 0 2.069635 -3.0085236 -0 0.13547005 0.75151637 -3.0085236 -2.1215372
105000 0 2.0300214 -3.0194685 -0 0.13103387 0.73897532 -3.0194685 -2.1494593
106000 0 1.8606229 -3.0215675 -0 0.1058931 0.69151671 -3.0215675 -2.2241577
107000 0 1.9293829 -3.1824818 -0 0.11199032 0.71488809 -3.1824818 -2.3556034
108000 0 2.0917984 -3.0608178 -0 0.12926976 0.76721526 -3.0608178 -2.1643328
109000 0 2.0073129 -3.0654045 -0 0.15651693 0.70376004 -3.0654045 -2.2051275
110000 0 1.889167 -3.1951234 -0 0.13292304 0.67671996 -3.1951234 -2.3854804
Loop time of 64.5556 on 8 procs for 100000 steps with 350 atoms
Pair time (%) = 45.1763 (69.9804)
Neigh time (%) = 0.415894 (0.644241)
Comm time (%) = 10.6023 (16.4235)
Outpt time (%) = 0.00327063 (0.00506637)
Other time (%) = 8.3579 (12.9468)
Nlocal: 43.75 ave 49 max 37 min
Histogram: 1 1 1 0 0 1 0 1 1 2
Nghost: 172.25 ave 183 max 165 min
Histogram: 1 1 2 1 0 1 1 0 0 1
Neighs: 957 ave 1157 max 751 min
Histogram: 1 1 1 1 0 0 1 1 0 2
Total # of neighbors = 7656
Ave neighs/atom = 21.8743
Neighbor list builds = 7561
Dangerous builds = 0

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LAMMPS (9 Sep 2013)
# Aspherical shear demo - 2d line boxes, solvated by SRD particles
units lj
atom_style line
atom_modify first big
dimension 2
read_data data.line.srd
orthogonal box = (-28.7968 -28.7968 -0.5) to (28.7968 28.7968 0.5)
4 by 2 by 1 MPI processor grid
400 atoms
400 lines
# add small particles as hi density lattice
lattice sq 0.4
Lattice spacing in x,y,z = 1.58114 1.58114 1.58114
region plane block INF INF INF INF -0.001 0.001
lattice sq 10.0
Lattice spacing in x,y,z = 0.316228 0.316228 0.316228
create_atoms 2 region plane
Created 33489 atoms
group big type 1
400 atoms in group big
group small type 2
33489 atoms in group small
set group small mass 0.01
33489 settings made for mass
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 1.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0
delete_atoms overlap 1.5 small big
Deleted 13605 atoms, new total = 20284
# SRD run
reset_timestep 0
velocity small create 1.44 87287 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule big include big
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style line/lj 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
100 rigid bodies with 400 atoms
fix 2 small srd 20 big 1.0 0.25 49894 search 0.2 cubic warn 0.0001 shift yes 49829 overlap yes collision noslip
fix 3 all deform 1 x scale 0.35 y scale 0.35
fix 4 all enforce2d
# diagnostics
compute tsmall small temp/deform
compute tbig big temp
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
compute 1 big erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step temp c_tsmall f_2[9] c_1 etotal v_pebig v_ebig press
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
compute 10 big property/atom end1x end1y end2x end2y
#dump 1 all custom 500 dump1.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump1.line.srd id type # c_10[1] c_10[2] c_10[3] c_10[4]
run 10000
WARNING: Using fix srd with box deformation but no SRD thermostat (../fix_srd.cpp:385)
SRD info:
SRD/big particles = 19884 400
big particle diameter max/min = 1.99882 0.503306
SRD temperature & lamda = 1 0.2
SRD max distance & max velocity = 0.8 40
SRD grid counts: 230 230 1
SRD grid size: request, actual (xyz) = 0.25, 0.250407 0.250407 1
SRD per actual grid cell = 0.444963
SRD viscosity = 4.2356
big/SRD mass density ratio = 14.0918
WARNING: SRD bin size for fix srd differs from user request (../fix_srd.cpp:2737)
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 15.906 29.1054
ave/max big velocity = 0 0
WARNING: Using compute temp/deform with inconsistent fix deform remap option (../compute_temp_deform.cpp:76)
Memory usage per processor = 6.55683 Mbytes
Step Temp tsmall 2[9] 1 TotEng pebig ebig Press
0 0 1.4528554 0 0 0 0 0 0
1000 0 1.1122612 0.23295528 0.00058011072 0 0 0 0.32625408
2000 0 1.0254475 0.24958277 0.00072347646 -2.3144253e-06 -0.00011736451 -0.00011736451 0.44526308
3000 0 1.0089214 0.28044476 0.00061511441 -0.00023298189 -0.011814512 -0.011814512 0.87208025
4000 0 1.0066185 0.32869834 0.00079065587 -0.0021630643 -0.10968899 -0.10968899 1.3901494
5000 0 1.0109003 0.38401607 0.00071588732 -0.0040023493 -0.20295913 -0.20295913 1.2736445
6000 0 1.0195293 0.45846226 0.00086525328 -0.0068440002 -0.34705925 -0.34705925 2.6190768
7000 0 1.0093653 0.54708911 0.00088011006 -0.011012313 -0.55843441 -0.55843441 3.4171735
8000 0 1.0041894 0.65768809 0.0007998991 -0.01619324 -0.82115921 -0.82115921 6.9499615
9000 0 1.0148795 0.80396735 0.00093224535 -0.021747967 -1.1028394 -1.1028394 18.165751
10000 0 1.0377326 0.88469468 0.0039065571 0.011847093 0.60076606 0.60076606 105.95133
Loop time of 5.25724 on 8 procs for 10000 steps with 20284 atoms
Pair time (%) = 0.12938 (2.46098)
Neigh time (%) = 0.323687 (6.15698)
Comm time (%) = 0.201078 (3.82479)
Outpt time (%) = 0.00122145 (0.0232336)
Other time (%) = 4.60188 (87.534)
Nlocal: 2535.5 ave 2832 max 2244 min
Histogram: 2 0 0 1 1 2 0 0 0 2
Nghost: 113.375 ave 119 max 109 min
Histogram: 2 1 1 0 0 1 0 0 1 2
Neighs: 520.625 ave 640 max 388 min
Histogram: 2 0 1 0 0 1 0 2 1 1
Total # of neighbors = 4165
Ave neighs/atom = 0.205334
Neighbor list builds = 508
Dangerous builds = 0
#undump 1
#undump 2
unfix 3
change_box all triclinic
triclinic box = (-10.0789 -10.0789 -0.5) to (10.0789 10.0789 0.5) with tilt (0 0 0)
fix 2 small srd 20 big 1.0 0.25 49894 search 0.2 cubic warn 0.0001 shift yes 49829 overlap yes collision noslip tstat yes
#dump 1 all custom 500 dump2.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump2.line.srd id type # c_10[1] c_10[2] c_10[3] c_10[4]
fix 3 all deform 1 xy erate 0.05 units box remap v
run 40000
SRD info:
SRD/big particles = 19884 400
big particle diameter max/min = 1.99882 0.503306
SRD temperature & lamda = 1 0.2
SRD max distance & max velocity = 0.8 40
SRD grid counts: 81 81 1
SRD grid size: request, actual (xyz) = 0.25, 0.248861 0.248861 1
SRD per actual grid cell = -11.3331
SRD viscosity = -1920.36
big/SRD mass density ratio = -0.546468
WARNING: SRD bin size for fix srd differs from user request (../fix_srd.cpp:2737)
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
WARNING: Fix srd viscosity < 0.0 due to low SRD density (../fix_srd.cpp:2761)
# of rescaled SRD velocities = 5
ave/max small velocity = 12.7055 40
ave/max big velocity = 1.43831 4.07637
Memory usage per processor = 4.07906 Mbytes
Step Temp tsmall 2[9] 1 TotEng pebig ebig Press
10000 0 1.0285209 0 0.0039065571 0.012056063 0.61136294 0.61136294 70.259237
11000 0 1.0391738 0.9421875 0.00039699357 -0.034840076 -1.7667403 -1.7667403 51.907585
12000 0 1.038934 0.93340757 0.00033545803 -0.035181234 -1.7840404 -1.7840404 51.039479
13000 0 1.0363741 0.94084946 0.0004529039 -0.033018255 -1.6743557 -1.6743557 54.138717
14000 0 1.0373865 0.93242943 0.0004722244 -0.032766048 -1.6615663 -1.6615663 54.092833
15000 0 1.0289967 0.92957433 0.00041639952 -0.033696503 -1.7087497 -1.7087497 48.76136
16000 0 1.0315281 0.9336746 0.00044091467 -0.034047366 -1.7265419 -1.7265419 49.368354
17000 0 1.0310976 0.92846069 0.00058265838 -0.036251651 -1.8383212 -1.8383212 47.527648
18000 0 1.0387834 0.93270079 0.00064962838 -0.03849464 -1.9520632 -1.9520632 55.151324
19000 0 1.034225 0.94028857 0.00042052385 -0.037457059 -1.8994474 -1.8994474 47.746045
20000 0 1.0377609 0.93927936 0.0005218884 -0.034132243 -1.7308461 -1.7308461 87.048419
21000 0 1.0404827 0.93995585 0.00057654739 -0.0306282 -1.553156 -1.553156 57.122553
22000 0 1.0399735 0.93639576 0.00037285284 -0.026102398 -1.3236526 -1.3236526 59.315805
23000 0 1.0396421 0.93234579 0.00042714044 -0.024751467 -1.2551469 -1.2551469 78.461174
24000 0 1.0376317 0.93328901 0.00055283478 -0.0276932 -1.4043222 -1.4043222 61.533389
25000 0 1.0358692 0.93697479 0.0004225622 -0.026282283 -1.3327746 -1.3327746 62.554247
26000 0 1.0397631 0.9336746 0.00054058432 -0.024075759 -1.2208817 -1.2208817 64.975611
27000 0 1.0405916 0.94307316 0.0003904132 -0.028426222 -1.4414937 -1.4414937 55.128234
28000 0 1.037771 0.94115025 0.00038432308 -0.030313284 -1.5371866 -1.5371866 56.493375
29000 0 1.0395232 0.92801772 0.00038560341 -0.029991249 -1.5208562 -1.5208562 57.427874
30000 0 1.0354662 0.93958984 0.0004698422 -0.02938728 -1.490229 -1.490229 54.222732
31000 0 1.0384932 0.93606594 0.00041385391 -0.028759403 -1.4583893 -1.4583893 55.483372
32000 0 1.0387759 0.94189671 0.00049520206 -0.029553008 -1.498633 -1.498633 58.747733
33000 0 1.0378057 0.93424537 0.00052622477 -0.031085566 -1.576349 -1.576349 53.836967
34000 0 1.0372805 0.93826338 0.00054888869 -0.036504286 -1.8511323 -1.8511323 44.792497
35000 0 1.0382469 0.93704278 0.0004307863 -0.038148625 -1.9345168 -1.9345168 42.582442
36000 0 1.0380694 0.93714033 0.00039730159 -0.036405598 -1.8461279 -1.8461279 47.104593
37000 0 1.0402138 0.93799823 0.00051417836 -0.032909885 -1.6688603 -1.6688603 55.244687
38000 0 1.0384244 0.93708166 0.00043306898 -0.030288286 -1.535919 -1.535919 55.538198
39000 0 1.0410634 0.93284574 0.00053167091 -0.030864158 -1.5651214 -1.5651214 56.136389
40000 0 1.0434316 0.94540613 0.0004625865 -0.035063246 -1.7780572 -1.7780572 51.415561
41000 0 1.0369369 0.93512798 0.00048692231 -0.03501711 -1.7757177 -1.7757177 52.27068
42000 0 1.037407 0.9277082 0.00044677419 -0.035686429 -1.8096588 -1.8096588 47.812559
43000 0 1.0391707 0.93974302 0.00037562628 -0.034697463 -1.7595083 -1.7595083 60.19428
44000 0 1.0369685 0.93745842 0.00041027797 -0.035341149 -1.7921497 -1.7921497 52.091971
45000 0 1.036099 0.9321397 0.00042455475 -0.033947768 -1.7214913 -1.7214913 49.730151
46000 0 1.032015 0.9300885 0.00033912308 -0.032997968 -1.6733269 -1.6733269 56.703006
47000 0 1.0326688 0.9375833 0.00043809093 -0.034003679 -1.7243266 -1.7243266 53.212731
48000 0 1.0380837 0.94267232 0.00047529732 -0.033961575 -1.7221915 -1.7221915 48.821619
49000 0 1.0364529 0.93990652 0.00054656191 -0.031215986 -1.5829626 -1.5829626 55.420703
50000 0 1.0335509 0.93651862 0.00049456314 -0.03110686 -1.5774289 -1.5774289 56.656467
Loop time of 43.1064 on 8 procs for 40000 steps with 20284 atoms
Pair time (%) = 1.73269 (4.01956)
Neigh time (%) = 1.43244 (3.32304)
Comm time (%) = 1.08363 (2.51385)
Outpt time (%) = 0.00464779 (0.0107821)
Other time (%) = 38.853 (90.1328)
Nlocal: 2535.5 ave 2610 max 2448 min
Histogram: 2 0 1 0 0 1 1 1 0 2
Nghost: 114.875 ave 125 max 106 min
Histogram: 2 0 0 1 1 2 0 1 0 1
Neighs: 516.5 ave 599 max 465 min
Histogram: 3 0 0 1 1 1 1 0 0 1
Total # of neighbors = 4132
Ave neighs/atom = 0.203707
Neighbor list builds = 2002
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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# SRD diffusion demo - poydisperse spheres
units lj
atom_style sphere
atom_modify first big
dimension 2
# create big particles with 3 different types and diameters
lattice sq 0.3
region box block 0 10 0 10 -0.5 0.5
create_box 4 box
create_atoms 1 region box
group big type 1
set group big type/fraction 2 0.33 394895
set group big type/fraction 3 0.5 989894
group big type 2 3
set type 1*3 mass 1.0
velocity big create 1.44 87287 loop geom
# equilibrate big particles, repulsive only to prevent aggregation
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve
fix 2 all enforce2d
#dump 1 all atom 10 dump.poly.equil
run 1000
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 250.0
create_atoms 4 region plane
set type 4 mass 0.1
group small type 4
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set *-4 cutoffs to non-zero values
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 1.0 2.0
pair_coeff 3 3 1.0 1.5
pair_coeff 1 4 0.0 1.0 0.5
pair_coeff 2 4 0.0 1.0 1.0
pair_coeff 3 4 0.0 1.0 0.75
delete_atoms overlap 1.0 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big nve
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 inside ignore
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.poly
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1
run 100000

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# SRD viscosity demo - poydisperse spheres
units lj
atom_style sphere
atom_modify first big
dimension 2
# create big particles with 3 different types and diameters
lattice sq 0.3
region box block 0 10 0 10 -0.5 0.5
create_box 4 box
create_atoms 1 region box
group big type 1
set group big type/fraction 2 0.33 394895
set group big type/fraction 3 0.5 989894
group big type 2 3
set type 1*3 mass 1.0
velocity big create 1.44 87287 loop geom
# equilibrate big particles, repulsive only to prevent aggregation
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve
fix 2 all enforce2d
#dump 1 all atom 10 dump.poly.equil
run 1000
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 250.0
create_atoms 4 region plane
set type 4 mass 0.1
group small type 4
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set *-4 cutoffs to non-zero values
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 1.0 2.0
pair_coeff 3 3 1.0 1.5
pair_coeff 1 4 0.0 1.0 0.5
pair_coeff 2 4 0.0 1.0 1.0
pair_coeff 3 4 0.0 1.0 0.75
delete_atoms overlap 1.0 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big nve
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 inside ignore
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 500 dump.poly.mp
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1
run 50000

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LAMMPS (9 Sep 2013)
# SRD diffusion demo - poydisperse spheres
units lj
atom_style sphere
atom_modify first big
dimension 2
# create big particles with 3 different types and diameters
lattice sq 0.3
Lattice spacing in x,y,z = 1.82574 1.82574 1.82574
region box block 0 10 0 10 -0.5 0.5
create_box 4 box
Created orthogonal box = (0 0 -0.912871) to (18.2574 18.2574 0.912871)
2 by 4 by 1 MPI processor grid
create_atoms 1 region box
Created 100 atoms
group big type 1
100 atoms in group big
set group big type/fraction 2 0.33 394895
35 settings made for type/fraction
set group big type/fraction 3 0.5 989894
57 settings made for type/fraction
group big type 2 3
100 atoms in group big
set type 1*3 mass 1.0
100 settings made for mass
velocity big create 1.44 87287 loop geom
# equilibrate big particles, repulsive only to prevent aggregation
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve
fix 2 all enforce2d
#dump 1 all atom 10 dump.poly.equil
run 1000
Memory usage per processor = 2.74744 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1.44 -0.16013916 0 1.2654608 1.1298975
1000 1.3367862 -0.30816328 0 1.0152551 1.5440006
Loop time of 0.0263424 on 8 procs for 1000 steps with 100 atoms
Pair time (%) = 0.000377953 (1.43477)
Neigh time (%) = 0.000303119 (1.15069)
Comm time (%) = 0.0153534 (58.2839)
Outpt time (%) = 3.43621e-05 (0.130444)
Other time (%) = 0.0102736 (39.0002)
Nlocal: 12.5 ave 18 max 10 min
Histogram: 1 3 1 1 0 1 0 0 0 1
Nghost: 27.75 ave 31 max 24 min
Histogram: 1 0 1 0 2 2 0 0 0 2
Neighs: 19 ave 30 max 16 min
Histogram: 4 1 2 0 0 0 0 0 0 1
Total # of neighbors = 152
Ave neighs/atom = 1.52
Neighbor list builds = 115
Dangerous builds = 0
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 250.0
Lattice spacing in x,y,z = 0.0632456 0.0632456 0.0632456
create_atoms 4 region plane
Created 83521 atoms
set type 4 mass 0.1
83521 settings made for mass
group small type 4
83521 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set *-4 cutoffs to non-zero values
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 1.0 2.0
pair_coeff 3 3 1.0 1.5
pair_coeff 1 4 0.0 1.0 0.5
pair_coeff 2 4 0.0 1.0 1.0
pair_coeff 3 4 0.0 1.0 0.75
delete_atoms overlap 1.0 small big
Deleted 63410 atoms, new total = 20211
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big nve
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 inside ignore
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.poly
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1
run 100000
SRD info:
SRD/big particles = 20111 100
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 73 73 1
SRD grid size: request, actual (xyz) = 0.25, 0.250102 0.250102 1.82574
SRD per actual grid cell = 4.93717
SRD viscosity = 0.23322
big/SRD mass density ratio = 0.161311
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19344 7.74495
ave/max big velocity = 1.43991 3.5724
Memory usage per processor = 11.7296 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11]
0 0.88820023 0 0.0050232797 -0.30816328 1.0152551 1.5440006 0 0 0 0 0 0 0 0 0 0 0
1000 0.84607636 4320 0.0065245155 0.058016042 1.3186698 4.2649215 7470 26 26 0 649 36480 5329 4320 0.87250069 0 2
2000 0.90485259 4380 0.0052749864 -0.28210286 1.0661275 2.1610016 7779 41 41 0 1285 36480 5329 4380 0.96910154 0 2
3000 0.86997866 4359 0.0051174794 -0.26197443 1.0342938 2.0552139 7976 32 32 0 2031 36480 5329 4359 1.0066773 0 2
4000 0.81799751 4386 0.004339179 -0.34182481 0.87699148 1.8252707 8228 36 36 0 2797 36480 5329 4386 1.0427782 0 2
5000 0.86406909 4378 0.005062484 -0.2642843 1.0231786 2.0027892 8402 31 31 0 3662 36480 5329 4378 1.0498595 0 2
6000 0.81122089 4390 0.0045773647 -0.28358794 0.92513119 1.6291269 8343 22 22 0 4542 36480 5329 4390 1.075211 0 2
7000 0.86048278 4374 0.0045829051 -0.35586841 0.92625094 1.787504 8229 26 26 0 5515 36480 5329 4374 1.0816492 0 2
8000 0.86834891 4381 0.0045794089 -0.36829555 0.92554432 1.6425705 8375 34 34 0 6432 36480 5329 4381 1.0734234 0 2
9000 0.85897968 4394 0.0042698244 -0.4169055 0.86297422 1.4346364 8500 30 30 0 7355 36480 5329 4394 1.087639 0 2
10000 0.70846773 4404 0.0030688471 -0.43537222 0.6202447 1.355036 8291 36 36 0 8314 36480 5329 4404 1.0788748 0 2
11000 0.79937389 4390 0.0043439579 -0.31310977 0.87795733 1.5807555 8350 27 27 0 9281 36480 5329 4390 1.0790792 0 2
12000 0.85824569 4411 0.0046841509 -0.33207234 0.94671374 1.591183 8327 37 37 0 10262 36480 5329 4411 1.0788503 0 2
13000 0.81732539 4415 0.0037450448 -0.46090383 0.756911 1.1438166 8483 26 26 0 11238 36480 5329 4415 1.0917525 0 2
14000 0.89802245 4399 0.005085064 -0.31031115 1.0277423 1.599284 8514 27 27 0 12274 36480 5329 4399 1.0749784 0 54
15000 0.68998926 4394 0.0029236972 -0.43717555 0.59090845 1.2810011 8383 45 45 0 13277 36480 5329 4394 1.0756773 0 54
16000 0.83208983 4407 0.004493664 -0.33159942 0.90821442 1.6639201 8320 28 28 0 14243 36480 5329 4407 1.090866 0 54
17000 0.70920173 4404 0.003792538 -0.29020072 0.76650986 1.475147 8517 34 34 0 15183 36480 5329 4404 1.0816438 0 54
18000 0.75974526 4395 0.003566885 -0.41111731 0.72090312 1.3301798 8506 36 36 0 16138 36480 5329 4395 1.0676888 0 54
19000 0.8732303 4409 0.0040921591 -0.47404688 0.82706627 1.3282596 8512 38 38 0 17108 36480 5329 4409 1.0864062 0 54
20000 0.74373268 4407 0.0037797876 -0.34422884 0.76393286 1.3084704 8505 30 30 0 18099 36480 5329 4407 1.0738575 0 54
21000 0.73961986 4400 0.0038147704 -0.33103034 0.77100326 1.4165508 8508 32 32 0 19164 36480 5329 4400 1.0878172 0 54
22000 0.71412304 4402 0.0033459777 -0.38778778 0.67625555 1.4732933 8571 32 32 0 20209 36480 5329 4402 1.0961455 0 54
23000 0.6485368 4391 0.0031023431 -0.33930525 0.62701457 1.2255142 8654 32 32 0 21226 36480 5329 4391 1.0955652 0 54
24000 0.62496852 4383 0.0031101939 -0.3026018 0.62860128 1.2574516 8456 40 40 0 22229 36480 5329 4383 1.1043661 0 54
25000 0.71882821 4387 0.0039504377 -0.27263108 0.79842295 1.5423115 8462 38 38 0 23302 36480 5329 4387 1.0988273 0 54
26000 0.81325766 4374 0.0046964629 -0.2625518 0.94920212 1.3027349 8469 22 22 0 24256 36480 5329 4374 1.0957156 0 54
27000 0.75769478 4404 0.0036955181 -0.38206406 0.74690116 1.2565814 8313 36 36 0 25218 36480 5329 4404 1.096358 0 54
28000 0.73180309 4400 0.003869417 -0.30833874 0.78204787 1.4692801 8537 33 33 0 26166 36480 5329 4400 1.0838456 0 54
29000 0.87301447 4404 0.0049666713 -0.29697763 1.0038139 1.4686871 8561 30 30 0 27154 36480 5329 4404 1.0950654 0 54
30000 0.90865536 4400 0.0050855318 -0.32605966 1.0278368 1.5864144 8483 20 20 0 28190 36480 5329 4400 1.0798509 0 54
31000 0.79500293 4393 0.0038246276 -0.41155888 0.77299548 1.3568346 8454 32 32 0 29155 36480 5329 4393 1.0724713 0 54
32000 0.87294832 4376 0.0054025526 -0.20878308 1.0919099 1.690247 8487 32 32 0 30185 36480 5329 4376 1.093595 0 54
33000 0.7796704 4387 0.003870468 -0.37944861 0.78226028 1.3978337 8338 28 28 0 31158 36480 5329 4387 1.0950913 0 54
34000 0.83949838 4408 0.0048589409 -0.26881205 0.98204055 1.3199495 8502 29 29 0 32212 36480 5329 4408 1.0994115 0 54
35000 0.89882881 4386 0.0046758361 -0.3942217 0.94503323 1.1627131 8500 40 40 0 33253 36480 5329 4386 1.0952495 0 54
36000 0.98891767 4388 0.0051298733 -0.43668865 1.0367987 1.3347621 8589 35 35 0 34383 36480 5329 4388 1.1028282 0 54
37000 0.78021407 4404 0.0035932812 -0.4362809 0.72623807 1.0910515 8528 35 35 0 35451 36480 5329 4404 1.0910774 0 54
38000 0.83518145 4383 0.0044236947 -0.35034742 0.89407294 1.2542227 8581 39 39 2 36623 36480 5329 4383 1.0969125 0 60
39000 0.79413048 4410 0.0045336904 -0.26695025 0.91630417 1.628798 8573 49 49 0 37739 36480 5329 4410 1.0786676 0 60
40000 0.69391266 4401 0.0035290325 -0.3206771 0.71325276 1.2434063 8722 24 24 0 38806 36480 5329 4401 1.0930726 0 60
41000 0.87777539 4405 0.0046384823 -0.37040166 0.93748366 1.3485397 8591 29 29 0 39844 36480 5329 4405 1.0934857 0 60
42000 0.88000424 4419 0.0041538556 -0.47167057 0.83953575 1.373462 8528 30 30 0 40851 36480 5329 4419 1.1058136 0 60
43000 0.80894411 4394 0.0043471883 -0.3267165 0.87861023 1.5520932 8516 34 34 0 41927 36480 5329 4394 1.0940256 0 60
44000 0.81278253 4413 0.0043670096 -0.32842965 0.88261632 1.7514988 8424 37 37 0 42979 36480 5329 4413 1.0890373 0 60
45000 0.81669704 4391 0.0042902765 -0.34977079 0.86710779 1.2720081 8603 29 29 0 43991 36480 5329 4391 1.0959104 0 60
46000 0.68105471 4415 0.0033462068 -0.33846966 0.67630186 1.3572051 8597 37 37 0 45054 36480 5329 4415 1.0831668 0 60
47000 0.74650613 4406 0.0031567817 -0.47427698 0.63801715 1.2357289 8712 37 37 0 46111 36480 5329 4406 1.0825124 0 60
48000 0.78925983 4419 0.0037255285 -0.42303057 0.75296657 1.2629704 8539 39 39 0 47063 36480 5329 4419 1.086451 0 60
49000 0.76629818 4405 0.0039711762 -0.33916987 0.80261443 1.3028869 8446 38 38 0 48085 36480 5329 4405 1.0962223 0 60
50000 0.8104353 4406 0.0041783294 -0.36306645 0.84448215 1.0644192 8664 36 36 0 49080 36480 5329 4406 1.082981 0 60
51000 0.88113764 4402 0.0051570248 -0.27060881 1.0422863 1.4386175 8624 38 38 0 50185 36480 5329 4402 1.0798375 0 60
52000 0.77033709 4389 0.0045371435 -0.23080019 0.91700207 1.4602717 8436 30 30 0 51245 36480 5329 4389 1.0931273 0 60
53000 0.81214351 4410 0.0048922416 -0.22132289 0.98877095 1.7454029 8706 29 29 0 52280 36480 5329 4410 1.0939736 0 60
54000 0.89983347 4386 0.0045215928 -0.42689275 0.91385912 1.2867976 8602 26 26 0 53359 36480 5329 4386 1.0938981 0 60
55000 0.85535843 4388 0.0045846672 -0.34787698 0.92660708 1.4863714 8630 36 36 0 54411 36480 5329 4388 1.0865711 0 60
56000 0.65511288 4409 0.0035485946 -0.25891173 0.71720646 1.4491969 8573 33 33 0 55419 36480 5329 4409 1.1167746 0 60
57000 0.82787973 4393 0.004433496 -0.33748691 0.89605388 1.3780497 8608 28 28 0 56458 36480 5329 4393 1.090579 0 60
58000 0.78199015 4411 0.0041719007 -0.32198248 0.84318285 1.5489896 8596 39 39 0 57518 36480 5329 4411 1.0950974 0 60
59000 0.83342791 4387 0.004742265 -0.2833484 0.95845919 1.5035913 8580 23 23 0 58495 36480 5329 4387 1.1044386 0 60
60000 0.92726046 4412 0.0054717726 -0.27571813 1.1059 1.5223588 8601 47 47 0 59516 36480 5329 4412 1.1053325 0 60
61000 0.71162631 4397 0.0034106311 -0.37100055 0.68932266 1.4441628 8600 35 35 0 60613 36480 5329 4397 1.1205275 0 60
62000 0.83061614 4395 0.0051751609 -0.19166627 1.0459518 1.8120796 8665 39 39 0 61539 36480 5329 4395 1.0942761 0 60
63000 0.69264654 4404 0.003733218 -0.27752266 0.75452069 1.4946754 8671 41 41 0 62499 36480 5329 4404 1.0864782 0 60
64000 0.81150665 4409 0.0044149583 -0.31683769 0.89230723 1.4495005 8498 45 45 0 63585 36480 5329 4409 1.0947081 0 60
65000 0.72188875 4415 0.0034008627 -0.38826587 0.68734836 1.3906117 8707 26 26 0 64598 36480 5329 4415 1.0867011 0 60
66000 0.66159508 4395 0.0030869268 -0.36187789 0.62389878 1.4297478 8664 32 32 0 65686 36480 5329 4395 1.0920408 0 60
67000 0.89720139 4402 0.0047549655 -0.37580398 0.96102608 1.3498224 8561 31 31 0 66668 36480 5329 4402 1.1140343 0 60
68000 0.77646005 4399 0.0044770291 -0.25207312 0.90485236 1.450115 8645 34 34 0 67762 36480 5329 4399 1.1031979 0 60
69000 0.76847183 4389 0.0046195632 -0.21136311 0.93365992 1.5393165 8663 37 37 0 68816 36480 5329 4389 1.100983 0 60
70000 0.68687373 4398 0.0036588724 -0.28394714 0.73949471 1.4069676 8686 29 29 0 69917 36480 5329 4398 1.1173713 0 60
71000 0.85660695 4405 0.0051111547 -0.24332887 1.0330155 1.5159938 8564 32 32 0 70984 36480 5329 4405 1.088877 0 60
72000 0.83851058 4378 0.0047881845 -0.2816408 0.96773997 1.3016234 8815 41 41 0 72066 36480 5329 4378 1.0903007 0 60
73000 0.9574802 4405 0.0054905849 -0.31694339 1.1097021 1.3834758 8498 39 39 0 73126 36480 5329 4405 1.0835447 0 60
74000 0.93413914 4428 0.005594213 -0.26122094 1.1306464 1.3968649 8610 36 36 0 74134 36480 5329 4428 1.0925707 0 60
75000 0.85110304 4399 0.0050214404 -0.2532602 1.0148833 1.7151794 8533 35 35 0 75226 36480 5329 4399 1.121987 0 60
76000 0.74293246 4402 0.004159075 -0.26637871 0.84059065 1.5301113 8744 45 45 0 76247 36480 5329 4402 1.0786119 0 60
77000 0.69374764 4398 0.0033526037 -0.35608924 0.67759474 1.3550134 8570 38 38 0 77323 36480 5329 4398 1.1077261 0 60
78000 0.79184739 4387 0.0041458172 -0.3419415 0.83791112 1.53132 8488 33 33 0 78545 36480 5329 4387 1.0944135 0 81
79000 0.73855485 4399 0.0040930305 -0.27320432 0.8272424 1.4930252 8590 40 40 0 79562 36480 5329 4399 1.0921682 0 81
80000 0.80000829 4407 0.0035856307 -0.46732053 0.72469182 1.4649608 8480 38 38 0 80554 36480 5329 4407 1.0866433 0 81
81000 0.75614881 4386 0.0040626682 -0.30555586 0.82110586 1.5424611 8489 32 32 0 81620 36480 5329 4386 1.1065811 0 81
82000 0.74187824 4425 0.0042618334 -0.24403944 0.86135915 1.5254143 8495 23 23 0 82648 36480 5329 4425 1.0999901 0 81
83000 0.96795247 4379 0.0056667045 -0.29695155 1.1452976 1.434689 8542 44 44 0 83674 36480 5329 4379 1.1055145 0 81
84000 0.71973336 4403 0.0038014078 -0.30410018 0.76830252 1.416144 8595 34 34 0 84706 36480 5329 4403 1.0730077 0 81
85000 0.67586077 4404 0.0039613843 -0.20639716 0.80063539 1.5423424 8573 39 39 0 85773 36480 5329 4404 1.0902847 0 81
86000 0.7824605 4400 0.0039579087 -0.36593321 0.79993293 1.2665296 8709 33 33 0 86777 36480 5329 4400 1.0796536 0 81
87000 0.80925546 4399 0.0044421598 -0.30798573 0.89780491 1.5569681 8668 36 36 0 87785 36480 5329 4399 1.0994771 0 81
88000 0.76586354 4417 0.0039373168 -0.34536557 0.7957711 1.3500605 8615 35 35 0 88859 36480 5329 4417 1.0895919 0 81
89000 0.69829963 4402 0.0031383989 -0.40616466 0.63430179 1.088111 8786 45 45 0 89860 36480 5329 4402 1.0866392 0 81
90000 0.84707532 4410 0.0049394012 -0.26383986 0.99830237 1.5746697 8414 30 30 0 90900 36480 5329 4410 1.1136544 0 81
91000 0.81479881 4391 0.0047153823 -0.26102431 0.95302592 1.4560202 8617 30 30 0 91885 36480 5329 4391 1.0909121 0 81
92000 0.67926947 4398 0.0033034611 -0.344449 0.66766252 1.235949 8439 37 37 0 92933 36480 5329 4398 1.0877594 0 81
93000 0.76411115 4388 0.0035573512 -0.41954937 0.71897625 1.1042722 8524 33 33 0 94014 36480 5329 4388 1.09172 0 81
94000 0.76881091 4402 0.0044450994 -0.24712922 0.89839904 1.4046651 8626 31 31 0 94955 36480 5329 4402 1.090443 0 81
95000 0.8089261 4372 0.0042760848 -0.34106038 0.8642395 1.4929178 8539 43 43 0 95962 36480 5329 4372 1.0761039 0 81
96000 0.7316235 4418 0.0039746747 -0.2867975 0.80332151 1.6570629 8580 34 34 0 96941 36480 5329 4418 1.0768381 0 81
97000 0.7858829 4407 0.003617173 -0.4398987 0.73106683 1.312132 8467 22 22 0 97963 36480 5329 4407 1.1078034 0 81
98000 0.72898498 4397 0.0037674527 -0.32474775 0.76143987 1.2373268 8552 33 33 0 99024 36480 5329 4397 1.1024714 0 81
99000 0.90435165 4378 0.0049764011 -0.34170354 1.0057804 1.6945983 8417 31 31 0 100116 36480 5329 4378 1.0899259 0 81
100000 0.69815567 4407 0.0036001551 -0.3126246 0.72762735 1.4724301 8502 42 42 0 101118 36480 5329 4407 1.0777306 0 81
Loop time of 15.4007 on 8 procs for 100000 steps with 20211 atoms
Pair time (%) = 0.0612983 (0.398022)
Neigh time (%) = 0.858353 (5.57346)
Comm time (%) = 1.11288 (7.22617)
Outpt time (%) = 0.00592667 (0.0384831)
Other time (%) = 13.3623 (86.7639)
Nlocal: 2526.38 ave 2618 max 2409 min
Histogram: 1 2 0 0 0 1 0 0 1 3
Nghost: 24.5 ave 28 max 21 min
Histogram: 1 0 2 0 1 1 0 2 0 1
Neighs: 17.5 ave 21 max 13 min
Histogram: 1 1 0 0 0 1 2 1 1 1
Total # of neighbors = 140
Ave neighs/atom = 0.00692692
Neighbor list builds = 5005
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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LAMMPS (9 Sep 2013)
# SRD viscosity demo - poydisperse spheres
units lj
atom_style sphere
atom_modify first big
dimension 2
# create big particles with 3 different types and diameters
lattice sq 0.3
Lattice spacing in x,y,z = 1.82574 1.82574 1.82574
region box block 0 10 0 10 -0.5 0.5
create_box 4 box
Created orthogonal box = (0 0 -0.912871) to (18.2574 18.2574 0.912871)
2 by 4 by 1 MPI processor grid
create_atoms 1 region box
Created 100 atoms
group big type 1
100 atoms in group big
set group big type/fraction 2 0.33 394895
35 settings made for type/fraction
set group big type/fraction 3 0.5 989894
57 settings made for type/fraction
group big type 2 3
100 atoms in group big
set type 1*3 mass 1.0
100 settings made for mass
velocity big create 1.44 87287 loop geom
# equilibrate big particles, repulsive only to prevent aggregation
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big nve
fix 2 all enforce2d
#dump 1 all atom 10 dump.poly.equil
run 1000
Memory usage per processor = 2.74744 Mbytes
Step Temp E_pair E_mol TotEng Press
0 1.44 -0.16013916 0 1.2654608 1.1298975
1000 1.3367862 -0.30816328 0 1.0152551 1.5440006
Loop time of 0.0171109 on 8 procs for 1000 steps with 100 atoms
Pair time (%) = 0.000367314 (2.14666)
Neigh time (%) = 0.000303924 (1.7762)
Comm time (%) = 0.0108245 (63.2607)
Outpt time (%) = 4.13954e-05 (0.241924)
Other time (%) = 0.00557381 (32.5745)
Nlocal: 12.5 ave 18 max 10 min
Histogram: 1 3 1 1 0 1 0 0 0 1
Nghost: 27.75 ave 31 max 24 min
Histogram: 1 0 1 0 2 2 0 0 0 2
Neighs: 19 ave 30 max 16 min
Histogram: 4 1 2 0 0 0 0 0 0 1
Total # of neighbors = 152
Ave neighs/atom = 1.52
Neighbor list builds = 115
Dangerous builds = 0
#undump 1
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 250.0
Lattice spacing in x,y,z = 0.0632456 0.0632456 0.0632456
create_atoms 4 region plane
Created 83521 atoms
set type 4 mass 0.1
83521 settings made for mass
group small type 4
83521 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set *-4 cutoffs to non-zero values
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 1.0 2.0
pair_coeff 3 3 1.0 1.5
pair_coeff 1 4 0.0 1.0 0.5
pair_coeff 2 4 0.0 1.0 1.0
pair_coeff 3 4 0.0 1.0 0.75
delete_atoms overlap 1.0 small big
Deleted 63410 atoms, new total = 20211
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 1.12
pair_coeff 1 1 1.0 1.0 1.12
pair_coeff 2 2 1.0 2.0 2.24
pair_coeff 3 3 1.0 1.5 1.68
pair_coeff 4 4 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big nve
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 inside ignore
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 500 dump.poly.mp
#dump 1 all image 500 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1
run 50000
SRD info:
SRD/big particles = 20111 100
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 73 73 1
SRD grid size: request, actual (xyz) = 0.25, 0.250102 0.250102 1.82574
SRD per actual grid cell = 4.93717
SRD viscosity = 0.23322
big/SRD mass density ratio = 0.161311
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19344 7.74495
ave/max big velocity = 1.43991 3.5724
Memory usage per processor = 11.7296 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11]
0 0.88820023 0 0.0050232797 -0.30816328 1.0152551 1.5440006 0 0 0 0 0 0 0 0 0 0 0
1000 0.76223473 4359 0.0058318998 0.042955512 1.1786853 3.9611296 7412 29 29 0 606 36480 5329 4359 0.88595821 0 1
2000 0.90685078 4370 0.0052567627 -0.28876335 1.0624443 2.8023345 7566 38 38 0 1219 36480 5329 4370 0.98245206 0 3
3000 0.82349169 4363 0.0040922377 -0.39992047 0.82708216 2.4033782 7677 22 22 0 2010 36480 5329 4363 0.9951035 0 3
4000 1.0770702 4382 0.0065800011 -0.27495058 1.329884 2.9540829 8067 43 43 0 2890 36480 5329 4382 1.0247955 0 3
5000 1.1187379 4371 0.0070884891 -0.23426486 1.4326545 2.782956 7987 34 34 0 3819 36480 5329 4371 1.0264278 0 3
6000 1.1529648 4390 0.00804325 -0.092296355 1.6256212 2.7035637 8260 45 45 0 4906 36480 5329 4390 1.044768 0 3
7000 1.2166621 4394 0.0084991908 -0.095055017 1.7177715 2.7964656 8289 29 29 0 6097 36480 5329 4394 1.0681058 0 3
8000 1.0578321 4380 0.0069270677 -0.17614024 1.4000297 2.2457489 8231 32 32 0 7318 36480 5329 4380 1.0661274 0 3
9000 1.1745002 4384 0.0080485374 -0.12331542 1.6266899 2.6780691 8348 30 30 0 8532 36480 5329 4384 1.0674998 0 3
10000 1.2053965 4394 0.00919032 0.061414788 1.8574556 2.9760341 8315 36 36 0 9939 36480 5329 4394 1.0698008 0 3
11000 1.2140992 4405 0.0080187349 -0.18834127 1.6206665 2.1090843 8390 38 38 0 11379 36480 5329 4405 1.0646411 0 3
12000 1.3314891 4370 0.0085977755 -0.24622241 1.7376964 2.1024157 8371 31 31 0 12874 36480 5329 4370 1.1085934 0 3
13000 1.7854091 4406 0.012596422 -0.11439664 2.5458629 2.8136175 8209 31 31 0 14445 36480 5329 4406 1.0656714 0 3
14000 1.3532948 4392 0.0096486307 -0.066324512 1.9500847 2.9946734 8436 31 31 0 15853 36480 5329 4392 1.0796035 0 3
15000 1.3652525 4406 0.0088880459 -0.23786321 1.796363 2.3354792 8476 32 32 0 17491 36480 5329 4406 1.062359 0 3
16000 1.7207747 4397 0.010473468 -0.44716178 2.1167926 2.0550985 8412 33 33 0 18967 36480 5329 4397 1.0727867 0 3
17000 1.4441674 4395 0.0093810416 -0.25580709 1.8960023 2.2891681 8523 25 25 0 20633 36480 5329 4395 1.0718441 0 3
18000 1.6353203 4369 0.011239971 -0.16491671 2.2717106 2.2715018 8350 36 36 0 22227 36480 5329 4369 1.062651 0 3
19000 1.2336121 4400 0.0078318926 -0.25517824 1.5829038 2.1478301 8506 31 31 0 23785 36480 5329 4400 1.064015 0 6
20000 1.348169 4385 0.0093452554 -0.12000224 1.8887696 2.7793176 8501 31 31 0 25381 36480 5329 4385 1.0749601 0 6
21000 1.2999945 4388 0.008793608 -0.15971573 1.7772761 2.2319158 8571 31 31 0 26907 36480 5329 4388 1.057039 0 6
22000 1.4136382 4381 0.010131428 -0.058657961 2.0476629 2.9137729 8395 33 33 0 28465 36480 5329 4381 1.0483767 0 6
23000 1.4669336 4397 0.0094913428 -0.26743576 1.9182953 2.2607135 8414 33 33 0 30174 36480 5329 4397 1.0599821 0 54
24000 1.2402392 4393 0.0078941135 -0.25247715 1.5954793 2.1369734 8327 27 27 0 31747 36480 5329 4393 1.0756872 0 54
25000 1.4541683 4379 0.010209747 -0.10321883 2.063492 2.540742 8397 41 41 0 33411 36480 5329 4379 1.0672776 0 54
26000 1.3405944 4406 0.0097712528 -0.022617748 1.9748679 2.5936783 8485 41 41 0 35118 36480 5329 4406 1.0758295 0 54
27000 1.6558588 4405 0.012177263 -0.0060829802 2.4611467 2.8707229 8422 27 27 0 36723 36480 5329 4405 1.083128 0 54
28000 1.4410581 4387 0.0097287673 -0.18089536 1.9662812 2.2328446 8473 33 33 0 38374 36480 5329 4387 1.0974956 0 54
29000 1.5710587 4399 0.011438826 -0.028976305 2.3119011 3.0464022 8409 36 36 0 39977 36480 5329 4399 1.0723788 0 54
30000 1.5822758 4390 0.010254579 -0.285038 2.072553 2.4492756 8285 43 43 0 41623 36480 5329 4390 1.0800035 0 54
31000 1.7821546 4385 0.012457185 -0.13768863 2.5177217 2.6529479 8311 26 26 0 43266 36480 5329 4385 1.0710985 0 54
32000 1.6106571 4376 0.01150871 -0.073853599 2.3260254 2.6925206 8227 30 30 0 44806 36480 5329 4376 1.0726823 0 54
33000 1.631601 4397 0.011271203 -0.1530625 2.2780229 2.111596 8463 40 40 0 46536 36480 5329 4397 1.0692746 0 54
34000 1.3427275 4390 0.0092429624 -0.13256884 1.8680951 2.3330047 8481 30 30 0 48188 36480 5329 4390 1.0598242 0 54
35000 1.8270729 4410 0.012439006 -0.20829114 2.5140475 2.4497436 8377 43 43 0 49938 36480 5329 4410 1.0639662 0 54
36000 1.6831749 4409 0.011556546 -0.17223706 2.3356935 2.4104909 8530 38 38 0 51575 36480 5329 4409 1.0462452 0 54
37000 1.5041928 4387 0.010868354 -0.044644177 2.1966031 2.8240213 8314 28 28 0 53275 36480 5329 4387 1.0642241 0 54
38000 1.63922 4400 0.011191082 -0.18060817 2.2618297 2.6036583 8460 31 31 0 54863 36480 5329 4400 1.0513104 0 54
39000 1.7856293 4402 0.01190713 -0.25403773 2.40655 2.6037177 8373 28 28 0 56511 36480 5329 4402 1.0575221 0 54
40000 1.5627911 4395 0.010299952 -0.24683547 2.0817233 2.097953 8604 38 38 0 58065 36480 5329 4395 1.0761208 0 54
41000 1.6374988 4391 0.011852474 -0.044369717 2.3955035 2.8099437 8581 37 37 0 59794 36480 5329 4391 1.0691616 0 54
42000 1.5639838 4401 0.0099361957 -0.32213138 2.0082045 2.140333 8517 26 26 0 61494 36480 5329 4401 1.0551075 0 54
43000 1.4230074 4386 0.010145789 -0.069715647 2.0505654 2.8175539 8394 35 35 0 63053 36480 5329 4386 1.0725308 0 54
44000 1.7426342 4421 0.012394613 -0.091449657 2.5050753 3.108882 8621 22 22 3 64860 36480 5329 4421 1.0689123 0 54
45000 1.5920362 4402 0.010869076 -0.17538493 2.196749 2.6145992 8584 33 33 0 66553 36480 5329 4402 1.0639622 0 54
46000 1.5470871 4381 0.010652614 -0.15215985 2.1529999 2.5774405 8385 41 41 0 68217 36480 5329 4381 1.0647713 0 54
47000 1.5733084 4394 0.010531031 -0.21580282 2.1284266 2.5415139 8473 39 39 0 70008 36480 5329 4394 1.0737587 0 54
48000 1.6011945 4385 0.010744982 -0.21411145 2.1716683 2.6439905 8324 32 32 0 71724 36480 5329 4385 1.0697134 0 54
49000 1.4920792 4394 0.01155316 0.11181112 2.3350091 3.2468881 8325 35 35 0 73535 36480 5329 4394 1.0606307 0 54
50000 1.7492562 4404 0.012682847 -0.043061576 2.5633302 2.9057702 8551 24 24 0 75221 36480 5329 4404 1.0604543 0 54
Loop time of 7.87485 on 8 procs for 50000 steps with 20211 atoms
Pair time (%) = 0.030976 (0.393354)
Neigh time (%) = 0.431914 (5.48473)
Comm time (%) = 0.565844 (7.18546)
Outpt time (%) = 0.00249878 (0.0317311)
Other time (%) = 6.84361 (86.9047)
Nlocal: 2526.38 ave 2659 max 2437 min
Histogram: 1 3 0 0 1 1 0 0 1 1
Nghost: 22.75 ave 25 max 19 min
Histogram: 1 0 0 0 0 2 2 0 2 1
Neighs: 16.25 ave 20 max 12 min
Histogram: 1 0 1 1 0 1 1 2 0 1
Total # of neighbors = 130
Ave neighs/atom = 0.00643214
Neighbor list builds = 2504
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

View File

@ -0,0 +1,552 @@
LAMMPS data file for Nanoparticles
270 atoms
2 atom types
-13.2934038818 13.2934038818 xlo xhi
-13.2934038818 13.2934038818 ylo yhi
-0.5 0.5 zlo zhi
Atoms
1 1 1 1 3.07843 1.22935 0 0 0 0
2 1 1 1 1.86321 2.27014 0 0 0 0
3 1 1 1 2.47082 1.74975 0 0 0 0
4 1 1 1 3.68604 0.708961 0 0 0 0
5 1 1 1 4.29365 0.188568 0 0 0 0
6 1 1 1 2.03764 0.0141312 0 0 0 0
7 1 1 1 2.55804 0.621742 0 0 0 0
8 1 1 1 3.59882 1.83696 0 0 0 0
9 1 1 1 4.11921 2.44458 0 0 0 0
10 1 1 1 11.9265 10.3133 0 0 0 0
11 1 1 1 12.507 8.82229 0 0 0 0
12 1 1 1 12.2167 9.56778 0 0 0 0
13 1 1 1 11.6362 11.0588 0 0 0 0
14 1 1 1 11.346 11.8042 0 0 0 0
15 1 1 1 -13.1694 10.8938 0 1 0 0
16 1 1 1 12.672 10.6035 0 0 0 0
17 1 1 1 11.181 10.023 0 0 0 0
18 1 1 1 10.4355 9.73276 0 0 0 0
19 1 1 1 2.92771 -6.14972 0 0 0 0
20 1 1 1 2.0477 -4.81346 0 0 0 0
21 1 1 1 2.48771 -5.48159 0 0 0 0
22 1 1 1 3.36771 -6.81785 0 0 0 0
23 1 1 1 3.80772 -7.48598 0 0 0 0
24 1 1 1 1.59145 -7.02972 0 0 0 0
25 1 1 1 2.25958 -6.58972 0 0 0 0
26 1 1 1 3.59584 -5.70971 0 0 0 0
27 1 1 1 4.26397 -5.26971 0 0 0 0
28 1 1 1 11.9757 -12.7981 0 0 0 0
29 1 1 1 -13.1156 13.2199 0 1 -1 0
30 1 1 1 12.7234 -13.0825 0 0 0 0
31 1 1 1 11.228 -12.5136 0 0 0 0
32 1 1 1 10.4803 -12.2292 0 0 0 0
33 1 1 1 12.5446 -11.3026 0 0 0 0
34 1 1 1 12.2602 -12.0503 0 0 0 0
35 1 1 1 11.6913 13.041 0 0 -1 0
36 1 1 1 11.4068 12.2933 0 0 -1 0
37 1 1 1 11.222 0.827207 0 0 0 0
38 1 1 1 11.4061 2.41658 0 0 0 0
39 1 1 1 11.314 1.62189 0 0 0 0
40 1 1 1 11.1299 0.0325207 0 0 0 0
41 1 1 1 11.0379 -0.762166 0 0 0 0
42 1 1 1 9.6326 1.01131 0 0 0 0
43 1 1 1 10.4273 0.919258 0 0 0 0
44 1 1 1 12.0167 0.735157 0 0 0 0
45 1 1 1 12.8113 0.643107 0 0 0 0
46 1 1 1 -0.554263 -10.1185 0 0 0 0
47 1 1 1 -1.61026 -8.91649 0 0 0 0
48 1 1 1 -1.08226 -9.5175 0 0 0 0
49 1 1 1 -0.0262649 -10.7195 0 0 0 0
50 1 1 1 0.501733 -11.3205 0 0 0 0
51 1 1 1 -1.75629 -11.1745 0 0 0 0
52 1 1 1 -1.15528 -10.6465 0 0 0 0
53 1 1 1 0.0467508 -9.59052 0 0 0 0
54 1 1 1 0.647765 -9.06252 0 0 0 0
55 1 1 1 -5.47715 -10.9308 0 0 0 0
56 1 1 1 -6.45589 -12.1966 0 0 0 0
57 1 1 1 -5.96652 -11.5637 0 0 0 0
58 1 1 1 -4.98778 -10.298 0 0 0 0
59 1 1 1 -4.49841 -9.6651 0 0 0 0
60 1 1 1 -4.21142 -11.9096 0 0 0 0
61 1 1 1 -4.84429 -11.4202 0 0 0 0
62 1 1 1 -6.11001 -10.4415 0 0 0 0
63 1 1 1 -6.74288 -9.95209 0 0 0 0
64 1 1 1 11.7879 -5.528 0 0 0 0
65 1 1 1 10.627 -6.62904 0 0 0 0
66 1 1 1 11.2075 -6.07852 0 0 0 0
67 1 1 1 12.3684 -4.97748 0 0 0 0
68 1 1 1 12.9488 -4.42696 0 0 0 0
69 1 1 1 12.8889 -6.68891 0 0 0 0
70 1 1 1 12.3384 -6.10846 0 0 0 0
71 1 1 1 11.2374 -4.94755 0 0 0 0
72 1 1 1 10.6869 -4.36709 0 0 0 0
73 1 1 1 -7.98832 3.62673 0 0 0 0
74 1 1 1 -9.58568 3.71861 0 0 0 0
75 1 1 1 -8.787 3.67267 0 0 0 0
76 1 1 1 -7.18964 3.58078 0 0 0 0
77 1 1 1 -6.39096 3.53484 0 0 0 0
78 1 1 1 -8.08021 2.02937 0 0 0 0
79 1 1 1 -8.03427 2.82805 0 0 0 0
80 1 1 1 -7.94238 4.42541 0 0 0 0
81 1 1 1 -7.89644 5.22409 0 0 0 0
82 1 1 1 5.10949 -0.142019 0 0 0 0
83 1 1 1 4.9846 1.4531 0 0 0 0
84 1 1 1 5.04705 0.65554 0 0 0 0
85 1 1 1 5.17194 -0.939578 0 0 0 0
86 1 1 1 5.23439 -1.73714 0 0 0 0
87 1 1 1 3.51437 -0.266913 0 0 0 0
88 1 1 1 4.31193 -0.204466 0 0 0 0
89 1 1 1 5.90705 -0.0795721 0 0 0 0
90 1 1 1 6.70461 -0.0171252 0 0 0 0
91 1 1 1 -8.66384 2.7372 0 0 0 0
92 1 1 1 -8.49225 1.14643 0 0 0 0
93 1 1 1 -8.57805 1.94182 0 0 0 0
94 1 1 1 -8.74964 3.53259 0 0 0 0
95 1 1 1 -8.83543 4.32798 0 0 0 0
96 1 1 1 -7.07307 2.90879 0 0 0 0
97 1 1 1 -7.86846 2.823 0 0 0 0
98 1 1 1 -9.45923 2.65141 0 0 0 0
99 1 1 1 -10.2546 2.56561 0 0 0 0
100 1 1 1 11.5851 -10.359 0 0 0 0
101 1 1 1 9.99223 -10.5095 0 0 0 0
102 1 1 1 10.7887 -10.4343 0 0 0 0
103 1 1 1 12.3816 -10.2838 0 0 0 0
104 1 1 1 13.178 -10.2086 0 0 0 0
105 1 1 1 11.7356 -11.9519 0 0 0 0
106 1 1 1 11.6604 -11.1555 0 0 0 0
107 1 1 1 11.5099 -9.56258 0 0 0 0
108 1 1 1 11.4347 -8.76613 0 0 0 0
109 1 1 1 12.2327 -1.17301 0 0 0 0
110 1 1 1 -12.9416 -0.421424 0 1 0 0
111 1 1 1 12.9389 -0.797218 0 0 0 0
112 1 1 1 11.5264 -1.54881 0 0 0 0
113 1 1 1 10.8202 -1.9246 0 0 0 0
114 1 1 1 11.4811 0.239474 0 0 0 0
115 1 1 1 11.8569 -0.466769 0 0 0 0
116 1 1 1 12.6085 -1.87925 0 0 0 0
117 1 1 1 12.9843 -2.5855 0 0 0 0
118 1 1 1 13.2863 -0.20095 0 0 0 0
119 1 1 1 11.8698 -0.94506 0 0 0 0
120 1 1 1 12.5781 -0.573005 0 0 0 0
121 1 1 1 -12.5923 0.171106 0 1 0 0
122 1 1 1 -11.8841 0.543161 0 1 0 0
123 1 1 1 -12.5564 -1.61739 0 1 0 0
124 1 1 1 -12.9285 -0.909169 0 1 0 0
125 1 1 1 12.9142 0.50727 0 0 0 0
126 1 1 1 12.5422 1.21549 0 0 0 0
127 1 1 1 9.23705 6.72763 0 0 0 0
128 1 1 1 10.7155 6.11582 0 0 0 0
129 1 1 1 9.97625 6.42173 0 0 0 0
130 1 1 1 8.49785 7.03354 0 0 0 0
131 1 1 1 7.75864 7.33944 0 0 0 0
132 1 1 1 9.84886 8.20604 0 0 0 0
133 1 1 1 9.54295 7.46684 0 0 0 0
134 1 1 1 8.93114 5.98843 0 0 0 0
135 1 1 1 8.62524 5.24922 0 0 0 0
136 1 1 1 11.4096 -9.51055 0 0 0 0
137 1 1 1 11.5248 -7.9147 0 0 0 0
138 1 1 1 11.4672 -8.71262 0 0 0 0
139 1 1 1 11.352 -10.3085 0 0 0 0
140 1 1 1 11.2944 -11.1064 0 0 0 0
141 1 1 1 9.81375 -9.39538 0 0 0 0
142 1 1 1 10.6117 -9.45297 0 0 0 0
143 1 1 1 12.2075 -9.56813 0 0 0 0
144 1 1 1 13.0054 -9.62572 0 0 0 0
145 1 1 1 11.1414 2.36295 0 0 0 0
146 1 1 1 11.582 0.824812 0 0 0 0
147 1 1 1 11.3617 1.59388 0 0 0 0
148 1 1 1 10.9211 3.13202 0 0 0 0
149 1 1 1 10.7008 3.90109 0 0 0 0
150 1 1 1 12.6795 2.80355 0 0 0 0
151 1 1 1 11.9105 2.58325 0 0 0 0
152 1 1 1 10.3723 2.14265 0 0 0 0
153 1 1 1 9.60325 1.92235 0 0 0 0
154 1 1 1 -0.718141 0.610732 0 0 0 0
155 1 1 1 0.797274 0.0973944 0 0 0 0
156 1 1 1 0.0395666 0.354063 0 0 0 0
157 1 1 1 -1.47585 0.867401 0 0 0 0
158 1 1 1 -2.23356 1.12407 0 0 0 0
159 1 1 1 -0.204804 2.12615 0 0 0 0
160 1 1 1 -0.461473 1.36844 0 0 0 0
161 1 1 1 -0.97481 -0.146976 0 0 0 0
162 1 1 1 -1.23148 -0.904684 0 0 0 0
163 1 1 1 -8.64345 -0.12308 0 0 0 0
164 1 1 1 -7.52017 1.01632 0 0 0 0
165 1 1 1 -8.08181 0.446621 0 0 0 0
166 1 1 1 -9.20509 -0.692781 0 0 0 0
167 1 1 1 -9.76673 -1.26248 0 0 0 0
168 1 1 1 -9.78285 1.0002 0 0 0 0
169 1 1 1 -9.21315 0.438561 0 0 0 0
170 1 1 1 -8.07375 -0.684721 0 0 0 0
171 1 1 1 -7.50405 -1.24636 0 0 0 0
172 1 1 1 -10.5175 7.98447 0 0 0 0
173 1 1 1 -10.8363 6.41655 0 0 0 0
174 1 1 1 -10.6769 7.20051 0 0 0 0
175 1 1 1 -10.3581 8.76843 0 0 0 0
176 1 1 1 -10.1987 9.55239 0 0 0 0
177 1 1 1 -8.94958 7.66568 0 0 0 0
178 1 1 1 -9.73354 7.82507 0 0 0 0
179 1 1 1 -11.3015 8.14386 0 0 0 0
180 1 1 1 -12.0854 8.30326 0 0 0 0
181 1 1 1 7.4048 -0.393969 0 0 0 0
182 1 1 1 6.13529 0.579859 0 0 0 0
183 1 1 1 6.77004 0.0929451 0 0 0 0
184 1 1 1 8.03955 -0.880882 0 0 0 0
185 1 1 1 8.67431 -1.3678 0 0 0 0
186 1 1 1 6.43097 -1.66348 0 0 0 0
187 1 1 1 6.91789 -1.02872 0 0 0 0
188 1 1 1 7.89171 0.240787 0 0 0 0
189 1 1 1 8.37863 0.875543 0 0 0 0
190 1 1 1 7.64402 5.65726 0 0 0 0
191 1 1 1 6.07165 5.95329 0 0 0 0
192 1 1 1 6.85784 5.80527 0 0 0 0
193 1 1 1 8.43021 5.50925 0 0 0 0
194 1 1 1 9.2164 5.36124 0 0 0 0
195 1 1 1 7.348 4.08488 0 0 0 0
196 1 1 1 7.49601 4.87107 0 0 0 0
197 1 1 1 7.79204 6.44345 0 0 0 0
198 1 1 1 7.94005 7.22964 0 0 0 0
199 1 1 1 -4.4824 11.3315 0 0 0 0
200 1 1 1 -4.43005 9.73232 0 0 0 0
201 1 1 1 -4.45622 10.5319 0 0 0 0
202 1 1 1 -4.50857 12.131 0 0 0 0
203 1 1 1 -4.53475 12.9306 0 0 0 0
204 1 1 1 -2.88326 11.3838 0 0 0 0
205 1 1 1 -3.68283 11.3576 0 0 0 0
206 1 1 1 -5.28197 11.3053 0 0 0 0
207 1 1 1 -6.08154 11.2791 0 0 0 0
208 1 1 1 -5.55606 -7.81186 0 0 0 0
209 1 1 1 -3.99015 -7.48332 0 0 0 0
210 1 1 1 -4.77311 -7.64759 0 0 0 0
211 1 1 1 -6.33901 -7.97613 0 0 0 0
212 1 1 1 -7.12196 -8.1404 0 0 0 0
213 1 1 1 -5.8846 -6.24595 0 0 0 0
214 1 1 1 -5.72033 -7.0289 0 0 0 0
215 1 1 1 -5.39179 -8.59481 0 0 0 0
216 1 1 1 -5.22752 -9.37776 0 0 0 0
217 1 1 1 7.26016 -11.9863 0 0 0 0
218 1 1 1 8.3079 -13.1956 0 0 0 0
219 1 1 1 7.78403 -12.591 0 0 0 0
220 1 1 1 6.73629 -11.3817 0 0 0 0
221 1 1 1 6.21242 -10.7771 0 0 0 0
222 1 1 1 8.46939 -10.9386 0 0 0 0
223 1 1 1 7.86477 -11.4625 0 0 0 0
224 1 1 1 6.65554 -12.5102 0 0 0 0
225 1 1 1 6.05093 -13.0341 0 0 0 0
226 1 1 1 -1.57791 -12.9126 0 0 0 0
227 1 1 1 -0.216128 12.8343 0 0 -1 0
228 1 1 1 -0.89702 13.2543 0 0 -1 0
229 1 1 1 -2.2588 -12.4926 0 0 0 0
230 1 1 1 -2.9397 -12.0726 0 0 0 0
231 1 1 1 -0.737944 -11.5508 0 0 0 0
232 1 1 1 -1.15793 -12.2317 0 0 0 0
233 1 1 1 -1.9979 12.9934 0 0 -1 0
234 1 1 1 -2.41788 12.3125 0 0 -1 0
235 1 1 1 -11.3551 -5.31209 0 0 0 0
236 1 1 1 -11.6961 -6.87533 0 0 0 0
237 1 1 1 -11.5256 -6.09371 0 0 0 0
238 1 1 1 -11.1846 -4.53047 0 0 0 0
239 1 1 1 -11.0141 -3.74885 0 0 0 0
240 1 1 1 -9.79187 -5.65308 0 0 0 0
241 1 1 1 -10.5735 -5.48258 0 0 0 0
242 1 1 1 -12.1367 -5.14159 0 0 0 0
243 1 1 1 -12.9184 -4.9711 0 0 0 0
244 1 1 1 -7.57077 2.60641 0 0 0 0
245 1 1 1 -6.41133 1.50381 0 0 0 0
246 1 1 1 -6.99105 2.05511 0 0 0 0
247 1 1 1 -8.15048 3.1577 0 0 0 0
248 1 1 1 -8.7302 3.709 0 0 0 0
249 1 1 1 -6.46817 3.76584 0 0 0 0
250 1 1 1 -7.01947 3.18612 0 0 0 0
251 1 1 1 -8.12206 2.02669 0 0 0 0
252 1 1 1 -8.67336 1.44697 0 0 0 0
253 1 1 1 -3.24788 -4.3784 0 0 0 0
254 1 1 1 -4.74604 -4.94009 0 0 0 0
255 1 1 1 -3.99696 -4.65924 0 0 0 0
256 1 1 1 -2.4988 -4.09755 0 0 0 0
257 1 1 1 -1.74971 -3.8167 0 0 0 0
258 1 1 1 -2.68619 -5.87656 0 0 0 0
259 1 1 1 -2.96703 -5.12748 0 0 0 0
260 1 1 1 -3.52873 -3.62931 0 0 0 0
261 1 1 1 -3.80957 -2.88023 0 0 0 0
262 1 1 1 -1.84958 -5.88762 0 0 0 0
263 1 1 1 -0.343461 -5.34761 0 0 0 0
264 1 1 1 -1.09652 -5.61762 0 0 0 0
265 1 1 1 -2.60264 -6.15763 0 0 0 0
266 1 1 1 -3.3557 -6.42763 0 0 0 0
267 1 1 1 -2.38959 -4.38151 0 0 0 0
268 1 1 1 -2.11958 -5.13456 0 0 0 0
269 1 1 1 -1.57957 -6.64068 0 0 0 0
270 1 1 1 -1.30957 -7.39374 0 0 0 0
Molecules
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 2
11 2
12 2
13 2
14 2
15 2
16 2
17 2
18 2
19 3
20 3
21 3
22 3
23 3
24 3
25 3
26 3
27 3
28 4
29 4
30 4
31 4
32 4
33 4
34 4
35 4
36 4
37 5
38 5
39 5
40 5
41 5
42 5
43 5
44 5
45 5
46 6
47 6
48 6
49 6
50 6
51 6
52 6
53 6
54 6
55 7
56 7
57 7
58 7
59 7
60 7
61 7
62 7
63 7
64 8
65 8
66 8
67 8
68 8
69 8
70 8
71 8
72 8
73 9
74 9
75 9
76 9
77 9
78 9
79 9
80 9
81 9
82 10
83 10
84 10
85 10
86 10
87 10
88 10
89 10
90 10
91 11
92 11
93 11
94 11
95 11
96 11
97 11
98 11
99 11
100 12
101 12
102 12
103 12
104 12
105 12
106 12
107 12
108 12
109 13
110 13
111 13
112 13
113 13
114 13
115 13
116 13
117 13
118 14
119 14
120 14
121 14
122 14
123 14
124 14
125 14
126 14
127 15
128 15
129 15
130 15
131 15
132 15
133 15
134 15
135 15
136 16
137 16
138 16
139 16
140 16
141 16
142 16
143 16
144 16
145 17
146 17
147 17
148 17
149 17
150 17
151 17
152 17
153 17
154 18
155 18
156 18
157 18
158 18
159 18
160 18
161 18
162 18
163 19
164 19
165 19
166 19
167 19
168 19
169 19
170 19
171 19
172 20
173 20
174 20
175 20
176 20
177 20
178 20
179 20
180 20
181 21
182 21
183 21
184 21
185 21
186 21
187 21
188 21
189 21
190 22
191 22
192 22
193 22
194 22
195 22
196 22
197 22
198 22
199 23
200 23
201 23
202 23
203 23
204 23
205 23
206 23
207 23
208 24
209 24
210 24
211 24
212 24
213 24
214 24
215 24
216 24
217 25
218 25
219 25
220 25
221 25
222 25
223 25
224 25
225 25
226 26
227 26
228 26
229 26
230 26
231 26
232 26
233 26
234 26
235 27
236 27
237 27
238 27
239 27
240 27
241 27
242 27
243 27
244 28
245 28
246 28
247 28
248 28
249 28
250 28
251 28
252 28
253 29
254 29
255 29
256 29
257 29
258 29
259 29
260 29
261 29
262 30
263 30
264 30
265 30
266 30
267 30
268 30
269 30
270 30

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# SRD diffusion demo - rigid star particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.star fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.star.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.star
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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# SRD viscosity demo - rigid star particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.star fix molprop NULL Molecules
set type 1 mass 1.0
group big type 1
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
fix 2 all enforce2d
#dump 1 all atom 10 dump.star.equil
thermo 100
run 1000
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
create_atoms 2 region plane
set type 2 mass 0.1
group small type 2
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 &
search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press &
f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] &
f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
thermo 1000
#dump 1 all atom 1000 dump.star.mp
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000

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LAMMPS (9 Sep 2013)
# SRD diffusion demo - rigid star particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.star fix molprop NULL Molecules
orthogonal box = (-13.2934 -13.2934 -0.5) to (13.2934 13.2934 0.5)
4 by 2 by 1 MPI processor grid
270 atoms
set type 1 mass 1.0
270 settings made for mass
group big type 1
270 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
30 rigid bodies with 270 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.star.equil
thermo 100
run 1000
Memory usage per processor = 2.64859 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 0 0 0 0.24721146
100 0 3.291475 0 3.291475 0.69158089
200 0 4.6176595 0 4.6176595 0.71737945
300 0 7.0921814 0 7.0921814 1.2163497
400 0 8.3666709 0 8.3666709 0.50645957
500 0 10.630838 0 10.630838 0.72764487
600 0 12.42157 0 12.42157 1.0130599
700 0 14.349074 0 14.349074 0.74795509
800 0 16.464746 0 16.464746 1.054549
900 0 18.253108 0 18.253108 0.51551753
1000 0 20.699563 0 20.699563 1.8084662
Loop time of 0.0416153 on 8 procs for 1000 steps with 270 atoms
Pair time (%) = 0.0029633 (7.1207)
Neigh time (%) = 0.0011363 (2.73049)
Comm time (%) = 0.0124508 (29.9187)
Outpt time (%) = 0.000216633 (0.520561)
Other time (%) = 0.0248483 (59.7095)
Nlocal: 33.75 ave 42 max 22 min
Histogram: 1 0 1 0 0 2 0 1 1 2
Nghost: 23.375 ave 30 max 14 min
Histogram: 1 0 1 0 0 2 1 0 1 2
Neighs: 52.25 ave 69 max 27 min
Histogram: 1 0 1 0 1 0 1 1 1 2
Total # of neighbors = 418
Ave neighs/atom = 1.54815
Neighbor list builds = 176
Dangerous builds = 0
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 60025 atoms
set type 2 mass 0.1
60025 settings made for mass
group small type 2
60025 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
Deleted 16305 atoms, new total = 43990
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
30 rigid bodies with 270 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.star
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 43720 270
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 106 106 1
SRD grid size: request, actual (xyz) = 0.25, 0.250819 0.250819 1
SRD per actual grid cell = 5.55866
SRD viscosity = 0.235582
big/SRD mass density ratio = 0.144099
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19085 7.72582
ave/max big velocity = 2.20262 5.4168
Memory usage per processor = 7.45056 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 18.299191 0 0.25067776 37.859815 40.841906 5.7680841 0 0 0 0 0 0 0 0 0 0 0 0
1000 1.0984098 8760 0.22959363 37.227755 37.406755 4.3729461 14167 62 62 0 669 57680 11236 8760 0.95903221 0 5 0
2000 1.0937022 8791 0.22965168 37.237979 37.416212 7.8592382 14199 47 47 0 1473 57680 11236 8791 0.95561013 0 5 0
3000 1.1301744 8765 0.2296652 37.234239 37.418416 5.3554554 14104 54 54 0 2227 57680 11236 8765 0.95555673 0 66 0
4000 1.2329006 8777 0.22959864 37.206654 37.407571 5.1494579 14604 63 64 0 2969 57680 11236 8777 0.94949717 0 66 0
5000 1.3436586 8795 0.22951427 37.174858 37.393824 4.9830237 14523 57 57 0 3769 57680 11236 8795 0.94626627 0 66 0
6000 0.96282041 8788 0.2292679 37.196781 37.353685 9.3973109 14421 62 62 0 4513 57680 11236 8788 0.95152148 0 66 0
7000 0.89525926 8774 0.22909802 37.180113 37.326007 8.4919264 14263 54 54 0 5313 57680 11236 8774 0.94362657 0 66 0
8000 1.3407703 8787 0.22948792 37.171035 37.389531 6.3302799 14065 49 50 0 6028 57680 11236 8787 0.94436375 0 66 0
9000 0.89298676 8784 0.22897425 37.160318 37.305842 13.249825 14496 65 65 0 6784 57680 11236 8784 0.94156932 0 66 0
10000 1.5075857 8760 0.22964883 37.170068 37.415749 7.706417 14096 59 59 0 7527 57680 11236 8760 0.94760815 0 66 0
11000 1.0507595 8786 0.22915291 37.163716 37.334951 8.0764539 14302 54 54 0 8226 57680 11236 8786 0.93676874 0 66 0
12000 1.3608191 8795 0.22938389 37.150819 37.372582 2.2906149 14425 51 51 0 8956 57680 11236 8795 0.94320409 0 66 0
13000 1.1201602 8776 0.22932315 37.180142 37.362687 10.481998 14229 55 55 0 9648 57680 11236 8776 0.9397721 0 66 0
14000 1.0716401 8784 0.22905315 37.144059 37.318697 10.138958 14141 62 62 0 10352 57680 11236 8784 0.93554357 0 66 0
15000 1.1025268 8756 0.22896359 37.124434 37.304105 7.6249828 14017 64 64 0 11073 57680 11236 8756 0.9430112 0 66 0
16000 1.2846996 8791 0.22918958 37.131566 37.340925 11.973123 14082 61 61 0 11827 57680 11236 8791 0.93833228 0 66 0
17000 1.1023602 8737 0.2290447 37.137676 37.31732 7.2599397 14077 70 70 0 12530 57680 11236 8737 0.94839589 0 66 0
18000 1.1254832 8791 0.22887219 37.105801 37.289213 7.7429889 14028 67 67 0 13240 57680 11236 8791 0.93873361 0 66 0
19000 1.0356983 8772 0.22904086 37.147914 37.316694 4.5522757 14010 66 66 0 13931 57680 11236 8772 0.93790841 0 66 0
20000 0.71316343 8764 0.22873892 37.151281 37.2675 10.416168 14258 60 60 0 14615 57680 11236 8764 0.95207188 0 66 0
21000 1.2373277 8776 0.22921948 37.144157 37.345796 4.5997765 14160 43 43 0 15364 57680 11236 8776 0.94242444 0 66 0
22000 1.0036835 8717 0.22912507 37.166851 37.330414 9.6600309 14147 49 49 0 16148 57680 11236 8717 0.94673443 0 66 0
23000 1.2216081 8747 0.22929851 37.159594 37.358671 7.9846293 13938 71 71 0 16835 57680 11236 8747 0.94804999 0 66 0
24000 1.0032568 8793 0.22911586 37.16542 37.328913 0.60601362 14202 73 73 1 17576 57680 11236 8793 0.9414152 0 66 0
25000 0.94965 8781 0.22909875 37.171368 37.326126 6.6584192 14261 59 59 0 18287 57680 11236 8781 0.93110924 0 66 0
26000 1.4038862 8770 0.22955552 37.171764 37.400545 6.9399909 14168 53 53 0 18961 57680 11236 8770 0.94165291 0 66 0
27000 1.0373393 8771 0.22927442 37.1857 37.354748 10.125555 13921 59 59 0 19684 57680 11236 8771 0.94374269 0 66 0
28000 1.0969388 8771 0.22909362 37.146529 37.32529 6.7985501 13965 58 58 0 20453 57680 11236 8771 0.94053206 0 66 0
29000 1.2684633 8750 0.22920667 37.136996 37.343709 9.8044908 14008 63 63 0 21157 57680 11236 8750 0.94469514 0 66 0
30000 1.0723854 8771 0.22897873 37.131813 37.306572 7.2792401 14057 58 58 0 21801 57680 11236 8771 0.92857754 0 66 0
31000 0.82971683 8763 0.22857114 37.104952 37.240165 7.7873396 13798 55 55 1 22447 57680 11236 8763 0.93260855 0 66 0
32000 1.1854057 8768 0.22894391 37.107721 37.300898 4.2769411 13933 61 62 0 23177 57680 11236 8768 0.94159224 0 66 0
33000 1.0436865 8772 0.22886047 37.117222 37.287304 6.2761906 13923 54 54 0 23961 57680 11236 8772 0.93663695 0 66 0
34000 1.2387476 8768 0.229117 37.12723 37.3291 11.376966 14008 55 56 0 24671 57680 11236 8768 0.94134637 0 66 0
35000 1.1827221 8777 0.22892611 37.105258 37.297998 2.5334458 14032 46 46 0 25359 57680 11236 8777 0.94278115 0 66 0
36000 1.0401004 8786 0.22881254 37.109997 37.279495 10.60278 14096 59 59 0 26064 57680 11236 8786 0.93296672 0 66 0
37000 1.0984228 8766 0.22869539 37.081405 37.260407 6.8054601 13808 69 69 0 26726 57680 11236 8766 0.93400815 0 66 0
38000 1.0364646 8774 0.22857543 37.071959 37.240864 7.1036604 13800 63 63 0 27340 57680 11236 8774 0.93085761 0 66 0
39000 0.81230064 8747 0.22852596 37.100428 37.232803 3.2521293 13917 52 52 0 28006 57680 11236 8747 0.92853969 0 66 0
40000 1.1721059 8805 0.2288046 37.087192 37.278202 3.0925306 14118 65 65 0 28641 57680 11236 8805 0.93248575 0 66 0
41000 1.3273673 8777 0.22903004 37.098619 37.314931 4.5511385 13847 60 60 0 29306 57680 11236 8777 0.93520024 0 66 0
42000 1.1052507 8745 0.22888354 37.110948 37.291063 9.2630606 13743 55 55 0 29968 57680 11236 8745 0.93879074 0 66 0
43000 0.98143573 8767 0.22866451 37.095439 37.255377 10.836032 14161 50 50 1 30636 57680 11236 8767 0.94242574 0 66 0
44000 1.3073559 8766 0.22888363 37.078026 37.291077 7.1037959 13988 64 64 0 31356 57680 11236 8766 0.93251181 0 66 0
45000 1.1193942 8794 0.22872075 37.082121 37.264541 10.640442 14106 64 64 0 32030 57680 11236 8794 0.92767399 0 66 0
46000 0.97836443 8770 0.22871232 37.10373 37.263167 7.1768889 13999 46 46 0 32724 57680 11236 8770 0.92348771 0 66 0
47000 0.87384342 8766 0.22838593 37.067584 37.209988 8.2743957 13966 59 59 1 33415 57680 11236 8766 0.94605663 0 66 0
48000 1.1247625 8737 0.22881404 37.096444 37.279739 7.4933665 13890 58 58 0 34188 57680 11236 8737 0.94564485 0 66 0
49000 0.97549128 8760 0.22903868 37.15737 37.316339 9.212114 13731 61 61 3 35188 57680 11236 8760 0.94181244 0 264 0
50000 0.84795594 8792 0.22864062 37.113299 37.251484 4.554655 14066 45 45 0 35891 57680 11236 8792 0.9394553 0 264 0
51000 1.2748335 8793 0.22896977 37.097361 37.305111 9.6671568 13935 65 65 0 36612 57680 11236 8793 0.93487065 0 264 0
52000 1.0805373 8810 0.2285793 37.065407 37.241495 6.8776416 13980 67 67 0 37272 57680 11236 8810 0.9367572 0 264 0
53000 1.130649 8761 0.22862734 37.065067 37.249321 2.7290713 13926 49 49 0 37929 57680 11236 8761 0.93655185 0 264 0
54000 1.0591847 8785 0.22882065 37.108209 37.280816 6.3873447 13895 50 50 0 38580 57680 11236 8785 0.93515717 0 264 0
55000 1.0652496 8787 0.22845918 37.048328 37.221924 8.4260372 13975 45 45 0 39233 57680 11236 8787 0.94125089 0 264 0
56000 0.98336412 8817 0.22838409 37.049438 37.20969 5.2198817 14164 53 53 0 39880 57680 11236 8817 0.93411507 0 264 0
57000 0.75643143 8772 0.22818592 37.054132 37.177402 6.3608331 13531 46 46 0 40586 57680 11236 8772 0.93676316 0 264 0
58000 0.96052993 8787 0.22863449 37.093956 37.250486 5.3118075 13591 69 69 0 41316 57680 11236 8787 0.94694416 0 264 0
59000 1.192266 8791 0.22843725 37.024055 37.21835 8.4075315 13670 69 69 0 42042 57680 11236 8791 0.93074428 0 264 0
60000 0.86528129 8763 0.22838246 37.068415 37.209423 12.614127 13944 56 56 0 42742 57680 11236 8763 0.93980863 0 264 0
61000 0.98392057 8781 0.22850911 37.069716 37.230059 4.1196257 13833 55 55 0 43466 57680 11236 8781 0.94055519 0 264 0
62000 0.86377638 8769 0.22825891 37.048531 37.189294 7.5952438 13732 55 55 0 44157 57680 11236 8769 0.93273238 0 264 0
63000 1.1345544 8753 0.2285473 37.05139 37.23628 8.4944082 13829 39 39 1 44853 57680 11236 8753 0.93637828 0 264 0
64000 1.3052001 8761 0.22872188 37.052025 37.264725 8.1141027 13693 56 56 0 45476 57680 11236 8761 0.92802715 0 264 0
65000 0.96041617 8760 0.22837135 37.051102 37.207614 8.9305096 13696 47 47 0 46161 57680 11236 8760 0.93690077 0 264 0
66000 1.2667968 8773 0.22874931 37.062752 37.269193 7.0070038 13795 53 53 0 46873 57680 11236 8773 0.93548723 0 264 0
67000 1.1041556 8805 0.22867835 37.077695 37.257632 10.315126 13719 53 53 0 47611 57680 11236 8805 0.93398934 0 264 0
68000 1.0634591 8756 0.22833079 37.027701 37.201005 11.004387 13805 52 52 0 48261 57680 11236 8756 0.93907878 0 264 0
69000 1.0634356 8759 0.22836391 37.033101 37.206402 7.8960556 13846 60 60 0 48930 57680 11236 8759 0.9387394 0 264 0
70000 0.78705939 8797 0.22815713 37.044451 37.172712 5.2268623 13886 55 55 1 49637 57680 11236 8797 0.94420106 0 264 0
71000 1.262646 8796 0.22836767 37.001249 37.207013 4.2192091 13984 55 55 0 50380 57680 11236 8796 0.93354313 0 264 0
72000 0.89288469 8767 0.22793751 36.991423 37.13693 7.5274353 13402 48 48 0 51044 57680 11236 8767 0.93651002 0 264 0
73000 0.99805643 8785 0.22794231 36.975066 37.137712 8.1692078 13647 61 61 0 51713 57680 11236 8785 0.92710476 0 264 0
74000 1.1316546 8797 0.22823421 37.000852 37.18527 8.475577 13702 70 70 0 52408 57680 11236 8797 0.93300949 0 264 0
75000 1.3589973 8782 0.22842134 36.994292 37.215758 5.4899759 13846 62 62 0 53038 57680 11236 8782 0.92968164 0 264 0
76000 0.98311155 8765 0.22810013 37.003215 37.163426 5.8491632 13396 50 50 0 53737 57680 11236 8765 0.9332015 0 264 0
77000 0.93588923 8768 0.22812976 37.015736 37.168252 6.1482719 13419 41 41 0 54440 57680 11236 8768 0.94649087 0 264 0
78000 1.0726273 8763 0.22814803 36.996431 37.171229 3.7413229 13652 53 53 0 55122 57680 11236 8763 0.93732834 0 264 0
79000 1.1142622 8747 0.22823701 37.004143 37.185727 5.3431863 13752 52 52 0 55788 57680 11236 8747 0.94102654 0 264 0
80000 1.1877489 8777 0.22804997 36.961694 37.155253 7.5892699 13821 65 65 1 56474 57680 11236 8777 0.9388659 0 264 0
81000 1.5174205 8789 0.22848952 36.979583 37.226866 8.2338826 13400 58 58 0 57138 57680 11236 8789 0.93859931 0 264 0
82000 1.011418 8763 0.22816534 37.009225 37.174048 5.9285277 13389 53 53 0 57882 57680 11236 8763 0.94017606 0 264 0
83000 1.048045 8774 0.22802349 36.980145 37.150938 1.7682458 13617 62 62 0 58587 57680 11236 8774 0.93181775 0 264 0
84000 1.0416932 8791 0.22815029 37.00184 37.171598 1.6650384 13546 60 60 0 59277 57680 11236 8791 0.93336422 0 264 0
85000 0.9808074 8785 0.22805209 36.995762 37.155597 5.3853011 13847 58 58 0 59941 57680 11236 8785 0.93675898 0 264 0
86000 0.94845236 8741 0.22819508 37.024332 37.178894 9.0236195 13483 53 53 0 60569 57680 11236 8741 0.94106832 0 264 0
87000 0.91367557 8761 0.22814468 37.021789 37.170684 2.0373865 13627 46 46 0 61240 57680 11236 8761 0.93526035 0 264 0
88000 1.1199914 8786 0.22824582 37.004644 37.187161 12.508533 13835 61 61 0 61903 57680 11236 8786 0.93075967 0 264 0
89000 1.1170348 8766 0.2282638 37.008056 37.190092 3.3612922 13599 53 53 0 62539 57680 11236 8766 0.93937123 0 264 0
90000 0.80168936 8787 0.22787344 36.995845 37.126491 5.447793 14009 70 70 0 63231 57680 11236 8787 0.92972768 0 264 0
91000 0.9278704 8748 0.22800786 36.997183 37.148392 6.9490954 13577 51 51 0 63973 57680 11236 8748 0.93217751 0 264 0
92000 0.89936733 8761 0.22813535 37.0226 37.169164 2.7999912 13491 55 55 0 64685 57680 11236 8761 0.93392714 0 264 0
93000 0.97509746 8750 0.22824406 37.027971 37.186875 7.5849958 13569 62 62 0 65443 57680 11236 8750 0.94168102 0 264 0
94000 1.1704849 8741 0.22814395 36.979819 37.170565 7.3998451 13706 71 71 0 66141 57680 11236 8741 0.94474366 0 264 0
95000 0.82884583 8779 0.22780742 36.980663 37.115734 4.1939749 13606 60 60 0 66881 57680 11236 8779 0.93030745 0 264 0
96000 1.1004846 8783 0.22820868 37.001772 37.18111 9.7475128 13650 50 50 0 67644 57680 11236 8783 0.93134822 0 264 0
97000 0.88396347 8767 0.22799895 37.002887 37.146941 1.417848 13564 54 54 0 68384 57680 11236 8767 0.93526241 0 264 0
98000 1.0540322 8782 0.22821568 37.010483 37.182251 6.0103183 13539 51 51 0 69056 57680 11236 8782 0.94045268 0 264 0
99000 0.87480326 8776 0.22814014 37.027383 37.169944 9.727466 13663 45 45 0 69714 57680 11236 8776 0.92949266 0 264 0
100000 1.0188288 8799 0.22832221 37.033577 37.199608 5.6127459 13731 57 57 1 70429 57680 11236 8799 0.92271662 0 264 0
Loop time of 40.6233 on 8 procs for 100000 steps with 43990 atoms
Pair time (%) = 0.442836 (1.0901)
Neigh time (%) = 2.10093 (5.17173)
Comm time (%) = 2.34834 (5.78077)
Outpt time (%) = 0.00742877 (0.0182869)
Other time (%) = 35.7238 (87.9391)
Nlocal: 5498.75 ave 6220 max 4960 min
Histogram: 1 1 2 0 0 2 1 0 0 1
Nghost: 57.25 ave 82 max 41 min
Histogram: 1 1 1 1 2 1 0 0 0 1
Neighs: 214.5 ave 270 max 148 min
Histogram: 1 0 1 0 2 1 0 1 1 1
Total # of neighbors = 1716
Ave neighs/atom = 0.0390089
Neighbor list builds = 5001
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

View File

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LAMMPS (9 Sep 2013)
# SRD viscosity demo - rigid star particles
units lj
atom_style sphere
atom_modify map array first big
dimension 2
# read in clusters of rigid bodies
fix molprop all property/atom mol
read_data data.star fix molprop NULL Molecules
orthogonal box = (-13.2934 -13.2934 -0.5) to (13.2934 13.2934 0.5)
4 by 2 by 1 MPI processor grid
270 atoms
set type 1 mass 1.0
270 settings made for mass
group big type 1
270 atoms in group big
velocity big create 1.44 87287 loop geom
# equilibrate big particles
pair_style soft 1.12
pair_coeff 1 1 0.0
pair_coeff 2 2 0.0 0.0
pair_coeff 1 2 0.0 0.0
variable prefactor equal ramp(0,60)
fix soft all adapt 1 pair soft a * * v_prefactor
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 big rigid molecule
30 rigid bodies with 270 atoms
fix 2 all enforce2d
#dump 1 all atom 10 dump.star.equil
thermo 100
run 1000
Memory usage per processor = 2.64859 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 0 0 0 0.24721146
100 0 3.291475 0 3.291475 0.69158089
200 0 4.6176595 0 4.6176595 0.71737945
300 0 7.0921814 0 7.0921814 1.2163497
400 0 8.3666709 0 8.3666709 0.50645957
500 0 10.630838 0 10.630838 0.72764487
600 0 12.42157 0 12.42157 1.0130599
700 0 14.349074 0 14.349074 0.74795509
800 0 16.464746 0 16.464746 1.054549
900 0 18.253108 0 18.253108 0.51551753
1000 0 20.699563 0 20.699563 1.8084662
Loop time of 0.0412866 on 8 procs for 1000 steps with 270 atoms
Pair time (%) = 0.00292179 (7.07684)
Neigh time (%) = 0.00114384 (2.77049)
Comm time (%) = 0.0121986 (29.5461)
Outpt time (%) = 0.000230491 (0.558271)
Other time (%) = 0.0247919 (60.0483)
Nlocal: 33.75 ave 42 max 22 min
Histogram: 1 0 1 0 0 2 0 1 1 2
Nghost: 23.375 ave 30 max 14 min
Histogram: 1 0 1 0 0 2 1 0 1 2
Neighs: 52.25 ave 69 max 27 min
Histogram: 1 0 1 0 1 0 1 1 1 2
Total # of neighbors = 418
Ave neighs/atom = 1.54815
Neighbor list builds = 176
Dangerous builds = 0
#undump 1
unfix soft
unfix 1
unfix 2
# add small particles as hi density lattice
region plane block INF INF INF INF -0.001 0.001 units box
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 2 region plane
Created 60025 atoms
set type 2 mass 0.1
60025 settings made for mass
group small type 2
60025 atoms in group small
velocity small create 1.0 593849 loop geom
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.5
delete_atoms overlap 0.5 small big
Deleted 16305 atoms, new total = 43990
# SRD run
reset_timestep 0
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule
30 rigid bodies with 270 atoms
fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 search 0.2 collision slip inside ignore overlap yes
fix 3 small viscosity 10 x y 50
fix 4 all enforce2d
# diagnostics
compute tbig big temp/sphere
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] f_2[12]
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
thermo 1000
#dump 1 all atom 1000 dump.star.mp
#dump 1 all image 1000 image.*.jpg type type zoom 1.6
#dump_modify 1 pad 6 adiam 1 1 adiam 2 0.2
run 100000
SRD info:
SRD/big particles = 43720 270
big particle diameter max/min = 1 1
SRD temperature & lamda = 1 0.0632456
SRD max distance & max velocity = 0.252982 12.6491
SRD grid counts: 106 106 1
SRD grid size: request, actual (xyz) = 0.25, 0.250819 0.250819 1
SRD per actual grid cell = 5.55866
SRD viscosity = 0.235582
big/SRD mass density ratio = 0.144099
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
# of rescaled SRD velocities = 0
ave/max small velocity = 4.19085 7.72582
ave/max big velocity = 2.20262 5.4168
Memory usage per processor = 7.45056 Mbytes
Step Temp 2[8] TotEng pebig ebig Press 2[1] 2[2] 2[3] 2[4] 2[5] 2[6] 2[7] 2[8] 2[9] 2[10] 2[11] 2[12]
0 18.299191 0 0.25067776 37.859815 40.841906 5.7680841 0 0 0 0 0 0 0 0 0 0 0 0
1000 1.3539178 8799 0.22973169 37.20861 37.429248 8.3072473 14385 67 67 0 702 57680 11236 8799 0.95931141 0 5 0
2000 1.2875571 8786 0.22962726 37.202411 37.412235 9.0311119 14352 63 63 0 1486 57680 11236 8786 0.95682025 0 5 0
3000 1.4635416 8800 0.22966317 37.179581 37.418084 7.6178929 14347 59 59 0 2196 57680 11236 8800 0.94729431 0 18 0
4000 1.8391551 8777 0.23015947 37.19923 37.498945 7.5387929 14212 56 56 0 2970 57680 11236 8777 0.94642004 0 18 0
5000 1.3981894 8787 0.22973225 37.201487 37.42934 10.658161 14071 73 73 0 3812 57680 11236 8787 0.93244985 0 18 0
6000 1.8148662 8786 0.2299516 37.169321 37.465077 10.11004 14154 56 56 0 4599 57680 11236 8786 0.93899702 0 18 0
7000 1.7370183 8781 0.22991739 37.176433 37.459503 7.2981594 14125 55 55 2 5380 57680 11236 8781 0.92819844 0 18 0
8000 1.9300809 8795 0.23020743 37.192227 37.506758 5.6733717 14193 51 51 0 6183 57680 11236 8795 0.92508922 0 18 0
9000 2.3407111 8779 0.23065831 37.19877 37.580219 10.534106 13966 79 79 0 7043 57680 11236 8779 0.93227329 0 18 0
10000 2.0762631 8753 0.23046098 37.209714 37.548068 6.6085525 13608 49 49 0 7866 57680 11236 8753 0.9277773 0 18 0
11000 2.5572041 8760 0.23079582 37.185893 37.602623 5.943323 14038 51 51 0 8706 57680 11236 8760 0.92846928 0 18 0
12000 3.2543217 8768 0.23146345 37.181063 37.711397 9.9600818 13725 58 58 0 9496 57680 11236 8768 0.92510656 0 18 0
13000 3.7220943 8755 0.23214107 37.215236 37.821799 5.2998459 13527 58 58 1 10369 57680 11236 8755 0.92701985 0 18 0
14000 3.1074163 8758 0.23124062 37.168698 37.675092 3.597723 13761 58 58 0 11200 57680 11236 8758 0.91892834 0 18 0
15000 4.1027548 8760 0.23230435 37.179805 37.848402 6.0772754 13862 51 51 0 12079 57680 11236 8760 0.92753237 0 18 0
16000 3.9133946 8792 0.23219659 37.193106 37.830844 4.7112711 13660 43 43 0 12960 57680 11236 8792 0.92647491 0 18 0
17000 4.0903593 8765 0.2323981 37.197098 37.863675 10.318145 13986 61 61 0 13879 57680 11236 8765 0.92733119 0 18 0
18000 3.969582 8737 0.23252501 37.237457 37.884352 6.0345677 13738 47 47 0 14857 57680 11236 8737 0.93210731 0 18 0
19000 4.9135942 8764 0.23344004 37.232701 38.033435 9.0068701 14001 46 47 0 15797 57680 11236 8764 0.92417719 0 18 0
20000 4.4990499 8726 0.23308081 37.241729 37.974907 3.4556204 14032 43 43 0 16823 57680 11236 8726 0.92968267 0 18 0
21000 3.6775519 8760 0.23209383 37.214798 37.814103 8.7361012 14249 51 51 0 17880 57680 11236 8760 0.91693857 0 18 0
22000 4.2480058 8760 0.23234702 37.163086 37.855353 9.4990008 13676 60 60 0 18840 57680 11236 8760 0.92912888 0 18 0
23000 4.0762282 8757 0.23194558 37.125675 37.789949 6.095072 13433 60 60 0 19854 57680 11236 8757 0.93403257 0 18 0
24000 3.7342162 8754 0.23149433 37.107889 37.716428 8.0963071 13528 45 45 0 20844 57680 11236 8754 0.92640554 0 18 0
25000 4.4320691 8738 0.23214598 37.100336 37.822599 2.6532327 13621 47 47 0 21927 57680 11236 8738 0.91696074 0 18 0
26000 4.739874 8795 0.2328463 37.164276 37.9367 6.0740527 13737 55 55 0 22931 57680 11236 8795 0.91601272 0 18 0
27000 4.158987 8759 0.23253846 37.208783 37.886544 7.8062033 13770 68 68 0 23891 57680 11236 8759 0.92761375 0 18 0
28000 4.5357507 8729 0.23252995 37.145997 37.885157 8.3229496 13735 62 62 0 24911 57680 11236 8729 0.91438776 0 18 0
29000 5.2763283 8757 0.23343081 37.172085 38.031931 11.607728 13345 56 56 0 25962 57680 11236 8757 0.92363255 0 18 0
30000 5.2012183 8727 0.23342066 37.182671 38.030276 7.0247835 13553 56 56 0 27017 57680 11236 8727 0.92161183 0 18 0
31000 4.5592454 8768 0.23267999 37.166615 37.909603 5.0184914 13886 58 58 0 28054 57680 11236 8768 0.92601626 0 18 0
32000 4.2038581 8767 0.23226731 37.157293 37.842366 7.7446627 13776 66 66 0 29191 57680 11236 8767 0.92081307 0 18 0
33000 3.4146018 8766 0.23184673 37.217389 37.773843 6.061227 13762 60 60 0 30282 57680 11236 8766 0.91467148 0 18 0
34000 4.9666166 8768 0.23362817 37.254711 38.064085 4.54391 13794 57 57 0 31277 57680 11236 8768 0.91500925 0 18 0
35000 5.4336125 8772 0.23410227 37.255851 38.141329 7.1441975 13991 54 54 0 32372 57680 11236 8772 0.91787825 0 18 0
36000 5.3731031 8775 0.23399853 37.24881 38.124427 10.645457 14200 61 61 0 33353 57680 11236 8775 0.9068932 0 18 0
37000 4.6930013 8756 0.23342164 37.265652 38.030437 1.6378965 13904 58 58 0 34474 57680 11236 8756 0.91857412 0 18 0
38000 4.6072618 8770 0.23383244 37.346553 38.097366 3.4294948 13897 52 52 0 35614 57680 11236 8770 0.93119652 0 18 0
39000 6.3083841 8755 0.23513182 37.281037 38.30907 9.545092 13877 71 72 0 36775 57680 11236 8755 0.90357387 0 18 0
40000 4.7439426 8760 0.23359501 37.285596 38.058683 5.2222395 13722 59 59 0 37862 57680 11236 8760 0.92609151 0 18 0
41000 5.631049 8746 0.23426434 37.250081 38.167734 7.8831121 13871 58 58 0 38995 57680 11236 8746 0.92364048 0 18 0
42000 4.4937786 8763 0.23315762 37.255102 37.987422 6.0814276 14059 56 56 0 40128 57680 11236 8763 0.90560182 0 18 0
43000 4.6349594 8738 0.23340275 37.272032 38.027359 6.4946772 13789 60 60 0 41304 57680 11236 8738 0.92056988 0 18 0
44000 4.9216105 8770 0.23378718 37.287952 38.089993 12.069456 14010 60 60 0 42438 57680 11236 8770 0.90919838 0 18 0
45000 6.1003723 8742 0.23518324 37.323312 38.317447 8.8564785 14012 51 51 0 43588 57680 11236 8742 0.91297931 0 18 0
46000 5.9976719 8739 0.23513128 37.331584 38.308982 10.332623 13865 61 61 0 44701 57680 11236 8739 0.91184414 0 18 0
47000 5.7529929 8750 0.2346755 37.297198 38.234722 9.1421763 13767 53 53 0 45947 57680 11236 8750 0.91644332 0 18 0
48000 6.0414916 8782 0.23481097 37.272255 38.256795 4.11784 14101 67 67 0 47098 57680 11236 8782 0.91322689 0 18 0
49000 5.9069569 8751 0.234598 37.259482 38.222097 6.2678445 13866 52 52 0 48288 57680 11236 8751 0.9146273 0 18 0
50000 5.3699426 8774 0.23420718 37.28332 38.158422 4.9995799 14096 57 57 0 49368 57680 11236 8774 0.91397612 0 18 0
51000 5.3951124 8767 0.23440907 37.312111 38.191314 7.0908474 13687 58 58 0 50615 57680 11236 8767 0.91626012 0 18 0
52000 5.0477469 8746 0.23402296 37.305812 38.128407 5.8280874 13914 56 56 1 51790 57680 11236 8746 0.91904159 0 18 0
53000 5.0027801 8755 0.23400414 37.310073 38.125341 10.739261 14129 57 57 0 52949 57680 11236 8755 0.92315612 0 18 0
54000 5.4679296 8761 0.23459667 37.330809 38.221879 6.8113028 13993 46 46 0 54120 57680 11236 8761 0.92267151 0 18 0
55000 5.8410648 8761 0.23461213 37.272522 38.224399 3.5247967 13976 71 71 0 55365 57680 11236 8761 0.91123977 0 18 0
56000 5.3206693 8766 0.23418385 37.287548 38.15462 5.6396887 14038 55 55 0 56521 57680 11236 8766 0.93368011 0 18 0
57000 4.9281952 8780 0.23366116 37.266348 38.069461 3.1285423 13969 56 56 0 57638 57680 11236 8780 0.92255818 0 18 0
58000 5.1613227 8756 0.23347937 37.198737 38.039842 7.6464505 13934 63 63 0 58773 57680 11236 8756 0.92220195 0 18 0
59000 5.1076252 8756 0.23352166 37.214379 38.046732 7.5306693 13817 62 62 0 59943 57680 11236 8756 0.92510594 0 18 0
60000 5.6556257 8746 0.23422971 37.240434 38.162092 2.9325607 13922 53 53 0 61090 57680 11236 8746 0.91834472 0 18 0
61000 5.5661669 8773 0.23411882 37.236947 38.144026 7.2514093 13945 49 49 0 62183 57680 11236 8773 0.90739365 0 18 0
62000 5.8495975 8753 0.23460373 37.269763 38.223031 7.0060167 13970 46 46 0 63299 57680 11236 8753 0.91634009 0 18 0
63000 6.6712653 8759 0.23570628 37.315495 38.402664 8.3394411 13579 50 50 0 64393 57680 11236 8759 0.91836652 0 18 0
64000 6.0479009 8746 0.23472337 37.256939 38.242522 4.8644232 13733 53 53 0 65627 57680 11236 8746 0.92355966 0 18 0
65000 6.3822214 8746 0.23478129 37.211894 38.25196 7.7582836 13738 49 49 1 66686 57680 11236 8746 0.92230762 0 18 0
66000 5.8364524 8749 0.23463571 37.277114 38.22824 9.5192708 13699 60 60 0 67818 57680 11236 8749 0.91792656 0 18 0
67000 5.9827412 8758 0.23439358 37.213826 38.188792 10.337844 13706 40 40 0 68985 57680 11236 8758 0.9224571 0 18 0
68000 5.7052083 8778 0.23427038 37.238981 38.168719 9.538817 14045 50 50 0 70137 57680 11236 8778 0.92678095 0 18 0
69000 6.1907575 8732 0.23509559 37.294303 38.303167 7.8570847 13753 63 63 0 71368 57680 11236 8732 0.92864702 0 18 0
70000 6.7558311 8741 0.23548884 37.266287 38.367237 8.165295 13734 48 48 0 72588 57680 11236 8741 0.92931286 0 18 0
71000 6.3006829 8768 0.23498477 37.258334 38.285112 6.6049258 13846 56 56 0 73691 57680 11236 8768 0.92696341 0 18 0
72000 7.2727152 8763 0.23598161 37.262339 38.447522 10.51197 13841 84 84 0 74864 57680 11236 8763 0.91909538 0 18 0
73000 6.2312628 8782 0.23498109 37.269046 38.284511 7.4903877 13965 75 75 0 76071 57680 11236 8782 0.91794598 0 18 0
74000 6.1722061 8727 0.23506951 37.293076 38.298917 4.3305249 13792 46 46 0 77240 57680 11236 8727 0.91814755 0 18 0
75000 7.378049 8773 0.23590581 37.232824 38.435173 6.3355081 13923 52 52 0 78535 57680 11236 8773 0.91995009 0 18 0
76000 7.812152 8740 0.23641193 37.244542 38.517633 8.9619859 13779 53 53 0 79829 57680 11236 8740 0.92788947 0 18 0
77000 7.2456022 8750 0.23586328 37.247479 38.428244 8.4006134 13766 58 58 0 81069 57680 11236 8750 0.92890367 0 18 0
78000 7.4885209 8762 0.2360823 37.243575 38.463927 4.8584808 13818 63 63 0 82265 57680 11236 8762 0.91978471 0 18 0
79000 6.768778 8758 0.23523283 37.222466 38.325526 9.2798759 13853 46 46 1 83493 57680 11236 8758 0.92133736 0 18 0
80000 6.2390912 8778 0.23501251 37.27289 38.28963 8.066911 13895 54 54 1 84665 57680 11236 8778 0.92327324 0 36 0
81000 7.2711702 8787 0.23608324 37.279149 38.46408 9.2144197 13806 65 66 0 85828 57680 11236 8787 0.92188232 0 36 0
82000 6.0206472 8744 0.2350438 37.313587 38.294729 9.3897281 13820 56 56 1 87015 57680 11236 8744 0.92698133 0 36 0
83000 5.8815517 8770 0.23423001 37.203666 38.162142 4.3928971 13962 52 52 0 88169 57680 11236 8770 0.9234476 0 36 0
84000 5.3127425 8753 0.23338022 37.157909 38.023689 6.2750977 13890 63 63 1 89381 57680 11236 8753 0.91831133 0 113 0
85000 6.4943314 8779 0.2346802 37.177153 38.235488 10.568493 14079 72 72 1 90614 57680 11236 8779 0.92206389 0 113 0
86000 6.7895778 8751 0.2350697 37.192498 38.298948 5.9925063 13835 77 77 0 91790 57680 11236 8751 0.91712004 0 113 0
87000 7.5845758 8746 0.23586106 37.191877 38.427882 5.7337473 13766 56 56 0 93001 57680 11236 8746 0.92432006 0 113 0
88000 6.9933387 8797 0.23528814 37.194883 38.334538 6.5123227 14127 64 64 1 94309 57680 11236 8797 0.92081946 0 113 0
89000 7.2164543 8789 0.23569422 37.224684 38.400699 7.3516314 13831 57 57 0 95527 57680 11236 8789 0.91778416 0 113 0
90000 6.3777786 8760 0.23511292 37.266649 38.305991 5.0520629 13961 55 55 0 96763 57680 11236 8760 0.9262025 0 113 0
91000 5.9805319 8742 0.23465699 37.257103 38.231708 8.0050839 13761 53 53 0 97921 57680 11236 8742 0.9261716 0 113 0
92000 6.4485837 8784 0.23547302 37.313779 38.36466 6.6770663 13723 39 39 0 99103 57680 11236 8784 0.9291658 0 113 0
93000 6.4434559 8749 0.23487177 37.216656 38.2667 5.7028222 13637 50 50 0 100312 57680 11236 8749 0.92621809 0 113 0
94000 6.1854322 8759 0.23477076 37.242246 38.250243 10.130767 14009 68 69 0 101529 57680 11236 8759 0.92239553 0 113 0
95000 5.242726 8764 0.23388878 37.252175 38.106545 10.741635 14033 58 58 0 102596 57680 11236 8764 0.91894338 0 113 0
96000 5.4946819 8770 0.23425506 37.270793 38.166223 2.1154106 13710 56 56 0 103697 57680 11236 8770 0.93225466 0 113 0
97000 6.253365 8759 0.23501257 37.270573 38.28964 9.0479264 13591 66 66 0 104831 57680 11236 8759 0.93238386 0 113 0
98000 6.1587546 8755 0.2348896 37.265956 38.269605 10.461501 13914 41 41 1 105983 57680 11236 8755 0.92076121 0 113 0
99000 5.5267342 8780 0.23419291 37.255444 38.156097 4.2845395 14016 58 58 0 107118 57680 11236 8780 0.9233616 0 113 0
100000 5.355333 8734 0.23420455 37.285273 38.157994 8.6683443 14028 58 58 1 108173 57680 11236 8734 0.92043276 0 113 0
Loop time of 41.1602 on 8 procs for 100000 steps with 43990 atoms
Pair time (%) = 0.416294 (1.0114)
Neigh time (%) = 2.09636 (5.09318)
Comm time (%) = 2.34013 (5.68543)
Outpt time (%) = 0.00730702 (0.0177526)
Other time (%) = 36.3001 (88.1922)
Nlocal: 5498.75 ave 6126 max 4805 min
Histogram: 1 0 2 0 0 1 1 1 1 1
Nghost: 54.375 ave 61 max 45 min
Histogram: 1 1 0 1 0 0 2 0 1 2
Neighs: 185.25 ave 270 max 112 min
Histogram: 1 0 2 1 1 1 0 0 1 1
Total # of neighbors = 1482
Ave neighs/atom = 0.0336895
Neighbor list builds = 5000
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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# create set of randomly oriented stars
p = patch(0.2)
p.dim = 2
p.extratype = 1
p.style = "sphere"
p.extra = "Molecules"
p.seed = 5932894
#p.seed = 54321
p.build(30,"star2d",5,0.8,1)
p.write("data.star")

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# 3d Lennard-Jones melt
units lj
atom_style tri
atom_modify first big
read_data data.tri.srd
# add small particles as hi density lattice
lattice sc 0.4
region box block INF INF INF INF INF INF
lattice sc 20.0
create_atoms 2 region box
group big type 1
group small type 2
set group small mass 0.01
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 1.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0
delete_atoms overlap 1.5 small big
# SRD run
reset_timestep 0
velocity small create 1.44 87287 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule big include big
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style tri/lj 3.5
pair_coeff 1 1 0.1 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule #langevin 1.0 1.0 0.1 12398
fix 2 small srd 20 big 1.0 0.25 49894 &
search 0.2 cubic warn 0.0001 shift yes 49829 &
overlap yes collision noslip
fix 3 all deform 1 x scale 0.6 y scale 0.6 z scale 0.6
# diagnostics
compute tsmall small temp/deform
compute tbig big temp
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
compute 1 big erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step f_1 c_tsmall f_2[9] temp press
thermo_modify temp tbig
compute 10 all property/atom corner1x corner1y corner1z &
corner2x corner2y corner2z corner3x corner3y corner3z
#dump 1 all custom 500 dump1.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump1.tri.srd id type &
# c_10[1] c_10[2] c_10[3] c_10[4] c_10[5] c_10[6] &
# c_10[7] c_10[8] c_10[9]
run 10000
#undump 1
#undump 2
unfix 3
change_box all triclinic
fix 2 small srd 20 big 1.0 0.25 49894 &
search 0.2 cubic warn 0.0001 shift yes 49829 &
overlap yes collision noslip tstat yes
#dump 1 all custom 500 dump2.atom.srd id type x y z ix iy iz
#dump 2 all custom 500 dump2.tri.srd id type &
# c_10[1] c_10[2] c_10[3] c_10[4] c_10[5] c_10[6] &
# c_10[7] c_10[8] c_10[9]
fix 3 all deform 1 xy erate 0.05 units box remap v
run 40000

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LAMMPS (9 Sep 2013)
# 3d Lennard-Jones melt
units lj
atom_style tri
atom_modify first big
read_data data.tri.srd
orthogonal box = (-8.43734 -8.43734 -8.43734) to (8.43734 8.43734 8.43734)
2 by 2 by 2 MPI processor grid
1500 atoms
1500 triangles
# add small particles as hi density lattice
lattice sc 0.4
Lattice spacing in x,y,z = 1.35721 1.35721 1.35721
region box block INF INF INF INF INF INF
lattice sc 20.0
Lattice spacing in x,y,z = 0.368403 0.368403 0.368403
create_atoms 2 region box
Created 91125 atoms
group big type 1
1500 atoms in group big
group small type 2
91125 atoms in group small
set group small mass 0.01
91125 settings made for mass
# delete overlaps
# must set 1-2 cutoff to non-zero value
pair_style lj/cut 1.5
pair_coeff 1 1 1.0 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0
delete_atoms overlap 1.5 small big
Deleted 76354 atoms, new total = 16271
# SRD run
reset_timestep 0
velocity small create 1.44 87287 loop geom
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
neigh_modify exclude molecule big include big
communicate multi group big vel yes
neigh_modify include big
# no pairwise interactions with small particles
pair_style tri/lj 3.5
pair_coeff 1 1 0.1 1.0
pair_coeff 2 2 0.0 1.0 0.0
pair_coeff 1 2 0.0 1.0 0.0
# use fix SRD to push small particles out from inside big ones
# if comment out, big particles won't see SRD particles
timestep 0.001
fix 1 big rigid molecule #langevin 1.0 1.0 0.1 12398
125 rigid bodies with 1500 atoms
fix 2 small srd 20 big 1.0 0.25 49894 search 0.2 cubic warn 0.0001 shift yes 49829 overlap yes collision noslip
fix 3 all deform 1 x scale 0.6 y scale 0.6 z scale 0.6
# diagnostics
compute tsmall small temp/deform
compute tbig big temp
variable pebig equal pe*atoms/count(big)
variable ebig equal etotal*atoms/count(big)
compute 1 big erotate/asphere
compute 2 all ke
compute 3 all pe
variable toteng equal (c_1+c_2+c_3)/atoms
thermo 1000
thermo_style custom step f_1 c_tsmall f_2[9] temp press
thermo_modify temp tbig
WARNING: Temperature for thermo pressure is not for group all (../thermo.cpp:438)
compute 10 all property/atom corner1x corner1y corner1z corner2x corner2y corner2z corner3x corner3y corner3z
dump 1 all custom 500 dump1.atom.srd id type x y z ix iy iz
dump 2 all custom 500 dump1.tri.srd id type c_10[1] c_10[2] c_10[3] c_10[4] c_10[5] c_10[6] c_10[7] c_10[8] c_10[9]
run 10000
WARNING: Using fix srd with box deformation but no SRD thermostat (../fix_srd.cpp:385)
SRD info:
SRD/big particles = 14771 1500
big particle diameter max/min = 1.46014 0.436602
SRD temperature & lamda = 1 0.2
SRD max distance & max velocity = 0.8 40
SRD grid counts: 67 67 67
SRD grid size: request, actual (xyz) = 0.25, 0.251861 0.251861 0.251861
SRD per actual grid cell = 0.0647662
SRD viscosity = -1.09837
big/SRD mass density ratio = 24.668
WARNING: SRD bin size for fix srd differs from user request (../fix_srd.cpp:2737)
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
WARNING: Fix srd viscosity < 0.0 due to low SRD density (../fix_srd.cpp:2761)
# of rescaled SRD velocities = 0
ave/max small velocity = 19.9708 35.1504
ave/max big velocity = 0 0
WARNING: Using compute temp/deform with inconsistent fix deform remap option (../compute_temp_deform.cpp:76)
Memory usage per processor = 112.926 Mbytes
Step 1 tsmall 2[9] Temp Press
0 0 1.4405441 0 0 -0.15917996
1000 1.0535509 1.1241378 0.030778612 0 0.15526438
2000 2.4635987 1.0240667 0.031199432 0 0.011069846
3000 3.1093028 1.0070585 0.0412299 0 0.34124887
4000 2.9091229 1.0109332 0.042413338 0 -0.43067212
5000 3.143486 1.007502 0.047871105 0 0.44935703
6000 3.3117859 1.0031975 0.060884331 0 -0.17753945
7000 3.7329968 0.99472569 0.071341886 0 1.4727109
8000 4.0314822 1.0148882 0.089434073 0 6.3915959
9000 6.3667017 1.0144773 0.10558433 0 14.945841
10000 14.065219 1.0159965 0.11784659 0 131.62736
Loop time of 229.245 on 8 procs for 10000 steps with 16271 atoms
Pair time (%) = 142.296 (62.0717)
Neigh time (%) = 33.5162 (14.6203)
Comm time (%) = 44.4642 (19.396)
Outpt time (%) = 0.822778 (0.358909)
Other time (%) = 8.14531 (3.55311)
Nlocal: 2033.88 ave 2131 max 1886 min
Histogram: 1 0 0 1 0 1 2 1 1 1
Nghost: 2777.38 ave 2813 max 2734 min
Histogram: 2 0 1 0 0 0 2 0 0 3
Neighs: 30097.6 ave 35599 max 25702 min
Histogram: 3 0 0 1 0 1 0 1 1 1
Total # of neighbors = 240781
Ave neighs/atom = 14.7982
Neighbor list builds = 500
Dangerous builds = 0
undump 1
undump 2
unfix 3
change_box all triclinic
triclinic box = (-5.0624 -5.0624 -5.0624) to (5.0624 5.0624 5.0624) with tilt (0 0 0)
fix 2 small srd 20 big 1.0 0.25 49894 search 0.2 cubic warn 0.0001 shift yes 49829 overlap yes collision noslip tstat yes
dump 1 all custom 500 dump2.atom.srd id type x y z ix iy iz
dump 2 all custom 500 dump2.tri.srd id type c_10[1] c_10[2] c_10[3] c_10[4] c_10[5] c_10[6] c_10[7] c_10[8] c_10[9]
fix 3 all deform 1 xy erate 0.05 units box remap v
run 40000
SRD info:
SRD/big particles = 14771 1500
big particle diameter max/min = 1.46014 0.436602
SRD temperature & lamda = 1 0.2
SRD max distance & max velocity = 0.8 40
SRD grid counts: 40 40 40
SRD grid size: request, actual (xyz) = 0.25, 0.25312 0.25312 0.25312
SRD per actual grid cell = -1.93929
SRD viscosity = -0.36972
big/SRD mass density ratio = -0.836253
WARNING: SRD bin size for fix srd differs from user request (../fix_srd.cpp:2737)
WARNING: Fix srd grid size > 1/4 of big particle diameter (../fix_srd.cpp:2759)
WARNING: Fix srd viscosity < 0.0 due to low SRD density (../fix_srd.cpp:2761)
# of rescaled SRD velocities = 2
ave/max small velocity = 16.086 40
ave/max big velocity = 1.89008 7.06443
Memory usage per processor = 67.8409 Mbytes
Step 1 tsmall 2[9] Temp Press
10000 14.065219 1.0159841 0 0 125.62369
11000 15.89949 1.1021294 0.13432606 0 79.756722
12000 13.591974 1.0986468 0.14491966 0 69.017912
13000 10.672662 1.0974608 0.13980161 0 68.47417
14000 10.433124 1.0970815 0.13358543 0 63.921726
15000 11.350239 1.0919622 0.13501392 0 56.434986
16000 9.9440024 1.0909392 0.13733839 0 60.312203
17000 8.8069504 1.0862993 0.1331224 0 60.673373
18000 9.7454087 1.0874377 0.14030315 0 55.359223
19000 8.7467828 1.0955594 0.13826168 0 58.135899
20000 9.094869 1.0853936 0.13980748 0 54.918577
21000 8.1769632 1.0877609 0.13527913 0 59.779335
22000 8.4802311 1.0874158 0.14097292 0 55.518841
23000 8.5085635 1.0938995 0.13479334 0 52.444531
24000 7.7708574 1.093106 0.13843648 0 53.619874
25000 7.5891864 1.0892977 0.1309956 0 50.959157
26000 7.1595504 1.0943558 0.1313863 0 50.73602
27000 6.4924522 1.0932486 0.13264833 0 50.620315
28000 6.8555436 1.0956448 0.1395996 0 53.675344
29000 7.0391394 1.0867312 0.14199161 0 53.493952
30000 7.9245188 1.0927432 0.13348801 0 50.474831
31000 8.1045132 1.0932086 0.13605758 0 48.830305
32000 8.3316171 1.0984609 0.13978578 0 48.671107
33000 7.3537207 1.0866232 0.13800293 0 49.619075
34000 7.5646404 1.0762414 0.1282765 0 48.104248
35000 7.6598613 1.0988043 0.1399969 0 48.344193
36000 8.2985234 1.0927025 0.13712115 0 51.995955
37000 7.8266025 1.0986061 0.13590656 0 55.526454
38000 8.1374325 1.0908854 0.1356955 0 51.766017
39000 7.1742247 1.0867582 0.13871443 0 54.475644
40000 7.1327095 1.0873612 0.13361669 0 53.584849
41000 7.4393759 1.083626 0.13678989 0 52.190793
42000 7.1145295 1.0867999 0.13910883 0 56.760468
43000 7.1195706 1.1052677 0.14404153 0 58.427514
44000 7.9713656 1.0931625 0.13568773 0 58.026623
45000 7.9875631 1.0928839 0.13617383 0 60.495025
46000 8.7377452 1.0927309 0.14312311 0 62.011464
47000 8.5499453 1.0941412 0.13203028 0 64.3929
48000 8.6633515 1.0929638 0.14189189 0 58.671573
49000 8.6567883 1.0832134 0.1353634 0 54.667636
50000 7.9400691 1.0942958 0.13789637 0 58.089009
Loop time of 1633.43 on 8 procs for 40000 steps with 16271 atoms
Pair time (%) = 1201.96 (73.5851)
Neigh time (%) = 184.862 (11.3174)
Comm time (%) = 188.22 (11.523)
Outpt time (%) = 3.30344 (0.202239)
Other time (%) = 55.0837 (3.37226)
Nlocal: 2033.88 ave 2156 max 1952 min
Histogram: 2 1 0 1 1 0 2 0 0 1
Nghost: 2752.38 ave 2941 max 2567 min
Histogram: 1 0 1 0 2 2 0 1 0 1
Neighs: 30128.1 ave 38439 max 23335 min
Histogram: 1 0 1 2 2 1 0 0 0 1
Total # of neighbors = 241025
Ave neighs/atom = 14.8132
Neighbor list builds = 2002
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation

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@ -0,0 +1,14 @@
# create set of randomly oriented tri boxes
p = patch(0.05)
p.seed = 54321
p.dim = 3
p.extratype = 1
p.lattice = [5,5,5]
p.build(125,"tribox",0.5,2,0.5,2,0.5,2,1)
p.write("data.tri.srd")
print "all done ... type CTRL-D to exit Pizza.py"

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@ -0,0 +1,18 @@
# Pizza.py viz of triangle + SRD output
d = dump("dump1.atom.srd dump2.atom.srd")
t = tdump("dump1.tri.srd dump2.tri.srd")
t.map(1,"id",2,"type",
3,"corner1x",4,"corner1y",5,"corner1z",
6,"corner2x",7,"corner2y",8,"corner2z",
9,"corner3x",10,"corner3y",11,"corner3z")
d.extra(t)
g = gl(d)
g.arad(1,0.02)
g.acol(1,"green")
g.arad(2,0.05)
g.acol(2,"green")
v = vcr(g)

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@ -109,6 +109,12 @@ create a GIF file suitable for viewing in a browser.
Upper-case directories
The ASPHERE directory has examples of how to model aspherical
particles with or without solvent, in 3 styles LAMMPS provides.
Namely point ellipsoids, rigid bodies, and generalized aspherical
bodies built from line/triangle surface facets in 2d/3d. See the
ASPHERE/README file to get started.
The COUPLE directory has examples of how to use LAMMPS as a library,
either by itself or in tandem with another code or library. See the
COUPLE/README file to get started.