mirror of https://github.com/lammps/lammps.git
139 lines
7.2 KiB
Groff
139 lines
7.2 KiB
Groff
LAMMPS (1 Oct 2010)
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# 2d SRD only test
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units lj
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atom_style atomic
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atom_modify first empty
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dimension 2
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# create box with big lattice
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lattice sq 0.4
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Lattice spacing in x,y,z = 1.58114 1.58114 1.58114
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region box block 0 10 0 10 -0.5 0.5
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create_box 1 box
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Created orthogonal box = (0 0 -0.790569) to (15.8114 15.8114 0.790569)
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1 by 1 by 1 processor grid
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# add SRD particles as hi density lattice
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lattice sq 0.4
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Lattice spacing in x,y,z = 1.58114 1.58114 1.58114
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region plane block 0 10 0 10 -0.001 0.001
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lattice sq 85.0
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Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
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create_atoms 1 region plane
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Created 21316 atoms
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group empty type 2
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0 atoms in group empty
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mass 1 0.01
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velocity all create 1.0 593849 loop geom
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# settings - need dummy empty group to enable no communication
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neighbor 0.3 bin
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neigh_modify delay 1 every 1 check no
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communicate single group empty
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# timestep is big and SRD frequency is 1
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timestep 0.02
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fix 1 all srd 1 NULL 1.0 0.25 49894 collision slip
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fix 2 all enforce2d
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# diagnostics
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thermo_style custom step temp f_1[7] etotal press f_1[3] f_1[4] f_1[6]
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thermo 100
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dump 1 all atom 250 dump.srd.pure
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run 5000
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SRD info:
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SRD/big particles = 21316 0
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big particle diameter max/min = 0 1e+20
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SRD temperature & lamda = 1 0.2
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SRD max distance & max velocity = 0.8 40
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SRD grid counts: 63 63 1
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SRD grid size: request, actual (xyz) = 0.25, 0.250974 0.250974 1.58114
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SRD per actual grid cell = 5.37062
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SRD viscosity = 0.439647
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big/SRD mass density ratio = 0
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# of rescaled SRD velocities = 0
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ave/max all velocity = 13.2735 24.2873
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Memory usage per processor = 4.2049 Mbytes
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Step Temp 1[7] TotEng Press 1[3] 1[4] 1[6]
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0 1 0 0.99995309 85.26 0 0 0
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100 1 3969 0.99995309 85.26 0 0 0
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200 1 3969 0.99995309 85.26 0 0 0
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300 1 3969 0.99995309 85.26 0 0 0
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400 1 3969 0.99995309 85.26 0 0 0
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500 1 3969 0.99995309 85.26 0 0 0
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600 1 3969 0.99995309 85.26 0 0 0
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700 1 3969 0.99995309 85.26 0 0 0
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800 1 3969 0.99995309 85.26 0 0 0
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900 1 3969 0.99995309 85.26 0 0 0
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1000 1 3969 0.99995309 85.26 0 0 0
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1100 1 3969 0.99995309 85.26 0 0 0
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1200 1 3969 0.99995309 85.26 0 0 0
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1300 1 3969 0.99995309 85.26 0 0 0
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1400 1 3969 0.99995309 85.26 0 0 0
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1500 1 3969 0.99995309 85.26 0 0 0
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1600 1 3969 0.99995309 85.26 0 0 0
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1700 1 3969 0.99995309 85.26 0 0 0
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1800 1 3969 0.99995309 85.26 0 0 0
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1900 1 3969 0.99995309 85.26 0 0 0
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2000 1 3969 0.99995309 85.26 0 0 0
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2100 1 3969 0.99995309 85.26 0 0 0
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2200 1 3969 0.99995309 85.26 0 0 0
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2300 1 3969 0.99995309 85.26 0 0 0
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2400 1 3969 0.99995309 85.26 0 0 0
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2500 1 3969 0.99995309 85.26 0 0 0
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2600 1 3969 0.99995309 85.26 0 0 0
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2700 1 3969 0.99995309 85.26 0 0 0
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2800 1 3969 0.99995309 85.26 0 0 0
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2900 1 3969 0.99995309 85.26 0 0 0
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3000 1 3969 0.99995309 85.26 0 0 0
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3100 1 3969 0.99995309 85.26 0 0 0
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3200 1 3969 0.99995309 85.26 0 0 0
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3300 1 3969 0.99995309 85.26 0 0 0
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3400 1 3969 0.99995309 85.26 0 0 0
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3500 1 3969 0.99995309 85.26 0 0 0
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3600 1 3969 0.99995309 85.26 0 0 0
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3700 1 3969 0.99995309 85.26 0 0 0
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3800 1 3969 0.99995309 85.26 0 0 0
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3900 1 3969 0.99995309 85.26 0 0 0
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4000 1 3969 0.99995309 85.26 0 0 0
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4100 1 3969 0.99995309 85.26 0 0 0
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4200 1 3969 0.99995309 85.26 0 0 0
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4300 1 3969 0.99995309 85.26 0 0 0
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4400 1 3969 0.99995309 85.26 0 0 0
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4500 1 3969 0.99995309 85.26 0 0 0
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4600 1 3969 0.99995309 85.26 0 0 0
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4700 1 3969 0.99995309 85.26 0 0 0
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4800 1 3969 0.99995309 85.26 0 0 0
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4900 1 3969 0.99995309 85.26 0 0 0
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5000 1 3969 0.99995309 85.26 0 0 0
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Loop time of 10.4217 on 1 procs for 5000 steps with 21316 atoms
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Pair time (%) = 0 (0)
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Neigh time (%) = 5.80617 (55.7125)
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Comm time (%) = 0.917962 (8.80821)
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Outpt time (%) = 0.66245 (6.35647)
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Other time (%) = 3.03508 (29.1228)
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Nlocal: 21316 ave 21316 max 21316 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Nghost: 0 ave 0 max 0 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Neighs: 0 ave 0 max 0 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 0
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Ave neighs/atom = 0
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Neighbor list builds = 5000
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Dangerous builds = 0
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