forked from lijiext/lammps
137 lines
5.3 KiB
Groff
137 lines
5.3 KiB
Groff
LAMMPS (22 Jan 2008)
|
|
# Pour granular particles into chute container, then induce flow
|
|
|
|
atom_style granular
|
|
boundary p p fm
|
|
newton off
|
|
|
|
region reg block -10 10 -10 10 -0.5 16 units box
|
|
create_box 1 reg
|
|
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
|
|
1 by 1 by 1 processor grid
|
|
|
|
neighbor 0.2 bin
|
|
neigh_modify delay 0
|
|
|
|
# IMPORTANT NOTE: these values of stiffness (2000) and timestep (0.001)
|
|
# are used in this example file to produce a quick simulation and movie.
|
|
# More appropriate values for realistic simulations would be
|
|
# k = 2.0e5 and dt = 0.0001, as in bench/in.chute.
|
|
|
|
pair_style gran/history 2000.0 50.0 0.5 0
|
|
timestep 0.001
|
|
|
|
fix 1 all nve/gran
|
|
fix 2 all gravity 1.0 spherical 0.0 -180.0
|
|
fix zlower all wall/gran zplane 0.0 2000.0 50.0 0.5
|
|
|
|
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
|
|
fix ins all pour 3000 1 300719 vol 0.13 50 region slab
|
|
Particle insertion: 402 every 3162 steps, 3000 by step 22135
|
|
|
|
thermo_style granular
|
|
thermo 1000
|
|
thermo_modify lost ignore
|
|
compute_modify thermo_temp dynamic yes
|
|
|
|
dump id all atom 1000 dump.pour
|
|
run 25000
|
|
Memory usage per processor = 3.27422 Mbytes
|
|
Step Atoms KinEng RotKEgrn Volume
|
|
0 0 -0 0 6600
|
|
1000 402 779.98578 0 6600
|
|
2000 402 1424.4252 0 6600
|
|
3000 402 1424.6738 13.243803 6600
|
|
4000 804 1725.9135 47.193854 6600
|
|
5000 804 1605.9404 61.336034 6600
|
|
6000 804 1364.6108 67.554058 6600
|
|
7000 1206 1511.4113 74.376707 6600
|
|
8000 1206 1418.913 57.671895 6600
|
|
9000 1206 1255.7489 48.517269 6600
|
|
10000 1608 1395.1949 50.233076 6600
|
|
11000 1608 1231.4271 49.441618 6600
|
|
12000 1608 1178.1027 41.300781 6600
|
|
13000 2010 1318.0975 45.154764 6600
|
|
14000 2010 1168.906 45.046369 6600
|
|
15000 2010 991.83164 47.199522 6600
|
|
16000 2412 1030.5908 42.172928 6600
|
|
17000 2412 1040.764 42.35251 6600
|
|
18000 2412 915.48473 38.944011 6600
|
|
19000 2814 1004.7982 37.785123 6600
|
|
20000 2814 943.31525 40.195691 6600
|
|
21000 2814 775.08206 46.791635 6600
|
|
22000 2814 506.44822 40.426627 6600
|
|
23000 3000 422.1483 32.45423 6600
|
|
24000 3000 365.17401 21.632169 6600
|
|
25000 3000 220.87181 24.123943 6600
|
|
Loop time of 20.7499 on 1 procs for 25000 steps with 3000 atoms
|
|
|
|
Pair time (%) = 13.5449 (65.2771)
|
|
Neigh time (%) = 1.67646 (8.07935)
|
|
Comm time (%) = 0.364293 (1.75563)
|
|
Outpt time (%) = 0.0648448 (0.312507)
|
|
Other time (%) = 5.09938 (24.5754)
|
|
|
|
Nlocal: 3000 ave 3000 max 3000 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
Nghost: 676 ave 676 max 676 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
Neighs: 13442 ave 13442 max 13442 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
|
|
Total # of neighbors = 13442
|
|
Ave neighs/atom = 4.48067
|
|
Neighbor list builds = 1152
|
|
Dangerous builds = 0
|
|
|
|
unfix ins
|
|
fix 2 all gravity 1.0 chute 26.0
|
|
run 25000
|
|
Memory usage per processor = 10.1398 Mbytes
|
|
Step Atoms KinEng RotKEgrn Volume
|
|
25000 3000 220.87181 24.123943 6600
|
|
26000 3000 108.79862 20.458515 6600
|
|
27000 3000 112.95727 12.664104 6600
|
|
28000 3000 215.54144 11.782398 6600
|
|
29000 3000 371.54504 14.420759 6600
|
|
30000 3000 566.41521 19.512827 6600
|
|
31000 3000 806.02711 27.02433 6600
|
|
32000 3000 1120.8523 29.184297 6600
|
|
33000 3000 1463.1136 39.128552 6600
|
|
34000 3000 1891.5244 40.587604 6600
|
|
35000 3000 2385.1262 50.786058 6600
|
|
36000 3000 3032.2477 61.683546 6600
|
|
37000 3000 3641.4351 73.734062 6600
|
|
38000 3000 4437.2989 80.156198 6600
|
|
39000 3000 5121.4213 91.975359 6600
|
|
40000 3000 6104.1682 107.37087 6600
|
|
41000 3000 7037.7666 111.54587 6600
|
|
42000 3000 8098.2378 127.03506 6600
|
|
43000 3000 9264.5588 136.68653 6600
|
|
44000 3000 10435.983 166.01939 6600
|
|
45000 3000 11791.776 174.23082 6600
|
|
46000 3000 13107.257 187.32711 6600
|
|
47000 3000 14573.417 198.76957 6600
|
|
48000 3000 16081.514 219.64212 6600
|
|
49000 3000 17731.002 236.51098 6600
|
|
50000 3000 19431.348 255.96964 6600
|
|
Loop time of 40.4029 on 1 procs for 25000 steps with 3000 atoms
|
|
|
|
Pair time (%) = 28.6386 (70.8825)
|
|
Neigh time (%) = 2.64738 (6.55244)
|
|
Comm time (%) = 0.784085 (1.94067)
|
|
Outpt time (%) = 0.108553 (0.268677)
|
|
Other time (%) = 8.22431 (20.3558)
|
|
|
|
Nlocal: 3000 ave 3000 max 3000 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
Nghost: 760 ave 760 max 760 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
Neighs: 14061 ave 14061 max 14061 min
|
|
Histogram: 1 0 0 0 0 0 0 0 0 0
|
|
|
|
Total # of neighbors = 14061
|
|
Ave neighs/atom = 4.687
|
|
Neighbor list builds = 826
|
|
Dangerous builds = 0
|