Files
lammps/examples/bpm/impact/log.4May2022.impact.rotational.g++.4

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LAMMPS (4 May 2022)
units lj
dimension 3
boundary f f f
atom_style bpm/sphere
special_bonds lj 0.0 1.0 1.0 coul 0.0 1.0 1.0
newton on off
comm_modify vel yes cutoff 2.6
lattice fcc 1.0
Lattice spacing in x,y,z = 1.5874011 1.5874011 1.5874011
region box block -25 15 -22 22 -22 22
create_box 1 box bond/types 2 extra/bond/per/atom 20 extra/special/per/atom 50
Created orthogonal box = (-39.685026 -34.922823 -34.922823) to (23.811016 34.922823 34.922823)
1 by 2 by 2 MPI processor grid
region disk cylinder x 0.0 0.0 20.0 -0.5 0.5
create_atoms 1 region disk
Created 7529 atoms
using lattice units in orthogonal box = (-39.685026 -34.922823 -34.922823) to (23.811016 34.922823 34.922823)
create_atoms CPU = 0.002 seconds
group plate region disk
7529 atoms in group plate
region ball sphere 8.0 0.0 0.0 6.0
create_atoms 1 region ball
Created 3589 atoms
using lattice units in orthogonal box = (-39.685026 -34.922823 -34.922823) to (23.811016 34.922823 34.922823)
create_atoms CPU = 0.001 seconds
group projectile region ball
3589 atoms in group projectile
displace_atoms all random 0.1 0.1 0.1 134598738
Displacing atoms ...
neighbor 1.0 bin
pair_style gran/hooke/history 1.0 NULL 0.5 NULL 0.1 1
pair_coeff 1 1
fix 1 all nve/bpm/sphere
create_bonds many plate plate 1 0.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 2
ghost atom cutoff = 2.6
binsize = 1, bins = 64 70 70
2 neighbor lists, perpetual/occasional/extra = 1 1 0
(1) command create_bonds, occasional
attributes: full, newton on
pair build: full/bin
stencil: full/bin/3d
bin: standard
(2) pair gran/hooke/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Added 38559 bonds, new total = 38559
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
15 = max # of 1-2 neighbors
101 = max # of special neighbors
special bonds CPU = 0.001 seconds
create_bonds many projectile projectile 2 0.0 1.5
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
WARNING: Bonds are defined but no bond style is set (../force.cpp:192)
WARNING: Likewise 1-2 special neighbor interactions != 1.0 (../force.cpp:194)
Added 21869 bonds, new total = 60428
Finding 1-2 1-3 1-4 neighbors ...
special bond factors lj: 0 1 1
special bond factors coul: 0 1 1
16 = max # of 1-2 neighbors
101 = max # of special neighbors
special bonds CPU = 0.002 seconds
neighbor 0.3 bin
special_bonds lj 0.0 1.0 1.0 coul 1.0 1.0 1.0
bond_style bpm/rotational store/local brkbond 100 time id1 id2
bond_coeff 1 1.0 0.2 0.02 0.02 0.05 0.01 0.01 0.01 0.1 0.2 0.002 0.002
bond_coeff 2 1.0 0.2 0.02 0.02 0.20 0.04 0.04 0.04 0.1 0.2 0.002 0.002
velocity projectile set -0.05 0.0 0.0
compute nbond all nbond/atom
compute tbond all reduce sum c_nbond
timestep 0.05
thermo_style custom step ke pe pxx pyy pzz c_tbond
thermo 100
thermo_modify lost ignore lost/bond ignore
#dump 1 all custom 100 atomDump id radius x y z c_nbond
dump 2 all local 100 brokenDump f_brkbond[1] f_brkbond[2] f_brkbond[3]
dump_modify 2 header no
run 7500
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 2.6
binsize = 0.65, bins = 98 108 108
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 33.22 | 33.22 | 33.22 Mbytes
Step KinEng PotEng Pxx Pyy Pzz c_tbond
0 0.00053238861 0 3.8217307e-05 -7.6534847e-14 1.9906102e-13 10.8703
100 0.00053238861 0 3.8217307e-05 -4.2831948e-13 5.7428612e-13 10.8703
200 0.00053238861 0 3.8217307e-05 -1.4067913e-12 1.4975493e-12 10.8703
300 0.00053238861 0 3.8217307e-05 -8.77782e-13 3.8245851e-13 10.8703
400 0.00053238861 0 3.8217307e-05 -8.5835238e-13 6.5448014e-13 10.8703
500 0.00053093549 0 4.0340893e-05 4.501394e-07 5.3690512e-07 10.8703
600 0.00051485902 0 6.6761034e-05 4.6258948e-06 5.2285428e-06 10.869221
700 0.00049942978 0 9.5499005e-05 9.3031413e-07 4.5389354e-06 10.85501
800 0.00049465262 0 5.6810167e-05 -5.5619903e-06 -1.6010295e-06 10.820651
900 0.00048784775 0 1.5747004e-05 2.0522042e-05 2.5481542e-05 10.769563
1000 0.00048345699 0 2.1159666e-05 1.2232747e-05 1.4767665e-05 10.730347
1100 0.00047945073 0 5.2779833e-05 -2.6136504e-05 -2.7689007e-05 10.703184
1200 0.00047512604 0 6.3234312e-05 -1.7082136e-05 -2.9178979e-05 10.686634
1300 0.00047401428 0 2.5474717e-05 -7.4782876e-06 -1.9808965e-05 10.678
1400 0.00047619121 0 2.5189461e-05 2.9476227e-06 -4.4149511e-06 10.671704
1500 0.0004668728 0 5.8798861e-05 -2.6192143e-06 1.0805172e-06 10.666127
1600 0.00045088371 0 5.8377694e-05 2.2911269e-06 4.339717e-06 10.66073
1700 0.00044275099 0 4.0766018e-05 2.7748031e-05 2.8202527e-05 10.6458
1800 0.0004424362 0 3.0460351e-05 2.9690484e-05 3.3464889e-05 10.620615
1900 0.00043678957 0 3.809598e-05 2.4448755e-06 1.2651201e-05 10.603166
2000 0.00042747562 0 4.2315209e-05 -7.6783024e-06 -3.3357359e-06 10.576003
2100 0.0004214344 0 2.6171505e-05 5.5424035e-06 -4.1153085e-06 10.539845
2200 0.00041712779 0 3.0796803e-05 1.1362383e-05 7.7103875e-07 10.49937
2300 0.00041095769 0 4.141148e-05 1.4142023e-06 -1.0982633e-05 10.471668
2400 0.00040883568 0 3.5835323e-05 -1.0216635e-05 -2.3669763e-05 10.45116
2500 0.00040762685 0 2.879385e-05 -1.4074395e-05 -1.9314875e-05 10.437309
2600 0.00040579873 0 2.771644e-05 -2.316844e-05 -2.2961097e-05 10.422378
2700 0.00040340975 0 3.4482945e-05 -3.075929e-05 -2.3321344e-05 10.410505
2800 0.00040170914 0 3.1147943e-05 -2.4329639e-05 -1.1787678e-05 10.400792
2900 0.00040015113 0 2.3214992e-05 -1.8068374e-05 3.8127871e-06 10.393416
3000 0.00040029253 0 2.7275906e-05 -7.0762689e-06 1.3782424e-05 10.385321
3100 0.00040037329 0 2.962113e-05 -1.3795312e-06 5.3267315e-06 10.378485
3200 0.00040142612 0 2.86096e-05 4.4289601e-06 -3.3950404e-06 10.373988
3300 0.00040105092 0 2.5423615e-05 9.5689359e-06 -2.5296344e-06 10.370031
3400 0.00039950673 0 2.6405258e-05 9.5776239e-06 -7.3789982e-07 10.364274
3500 0.00039715236 0 3.115696e-05 1.0986224e-05 6.6898207e-06 10.360496
3600 0.00039446552 0 2.8426837e-05 9.6296098e-06 1.5057875e-05 10.353121
3700 0.00039263296 0 2.567768e-05 6.347291e-06 2.4842157e-05 10.346645
3800 0.00039061341 0 2.7635193e-05 5.0165135e-06 2.5989901e-05 10.341069
3900 0.00038985051 0 2.8639932e-05 1.056365e-05 2.4463803e-05 10.329196
4000 0.00038815347 0 2.6613146e-05 2.0316396e-05 2.1434368e-05 10.318043
4100 0.00038651302 0 2.4759493e-05 1.9632349e-05 1.3524912e-05 10.311027
4200 0.00038565809 0 2.5290845e-05 1.9908233e-05 8.3895516e-06 10.299155
4300 0.0003847255 0 2.6461182e-05 1.9385332e-05 5.664874e-06 10.292319
4400 0.0003844421 0 2.4464435e-05 1.4675545e-05 6.8223863e-06 10.286203
4500 0.0003842788 0 2.3080348e-05 7.1469159e-06 6.8395849e-06 10.278287
4600 0.00038365139 0 2.4937615e-05 2.3854793e-06 4.6100509e-06 10.270732
4700 0.00038271503 0 2.431281e-05 -3.127707e-06 3.8840673e-07 10.264796
4800 0.00038233688 0 2.3727372e-05 -3.9575833e-06 1.5658614e-06 10.25742
4900 0.00038223496 0 2.3842519e-05 2.6005447e-06 4.5031882e-06 10.246987
5000 0.00038219402 0 2.4705111e-05 8.2018492e-06 4.0121467e-06 10.240511
5100 0.00038195153 0 2.5112089e-05 9.1687723e-06 3.3825795e-06 10.236014
5200 0.00038170903 0 2.4166312e-05 4.6680528e-06 3.0359762e-06 10.232236
5300 0.00038194303 0 2.4293657e-05 3.067111e-06 2.1353614e-06 10.230617
5400 0.00038147407 0 2.472142e-05 5.2915485e-06 -1.7472423e-06 10.230098
5500 0.00038156894 0 2.4839317e-05 6.6216457e-06 -2.7544087e-06 10.227759
5600 0.00038169434 0 2.4600407e-05 3.8679618e-06 1.2622251e-07 10.2256
5700 0.00038219734 0 2.4459589e-05 2.0025919e-07 -1.1917672e-08 10.223621
5800 0.00038268758 0 2.4768428e-05 8.7913744e-07 -1.4000329e-06 10.222902
5900 0.00038300658 0 2.4827866e-05 3.6621944e-06 -2.2178729e-07 10.222182
6000 0.00038250316 0 2.4309432e-05 4.3755483e-06 2.2736019e-06 10.221123
6100 0.0003821526 0 2.4396115e-05 3.3855804e-06 4.4742551e-06 10.219503
6200 0.00038185711 0 2.4795348e-05 1.7569948e-06 4.3229904e-06 10.219503
6300 0.00038197679 0 2.4817115e-05 1.237731e-07 3.9285574e-06 10.218604
6400 0.00038232311 0 2.4723664e-05 -8.7946112e-07 2.6215619e-06 10.217884
6500 0.00038255543 0 2.4821878e-05 -4.8948257e-07 3.9392146e-07 10.217704
6600 0.00038251887 0 2.4923895e-05 -1.1107041e-07 -8.3900047e-07 10.217344
6700 0.00038177389 0 2.4664007e-05 -6.4474733e-07 -2.1004826e-06 10.218084
6800 0.00038096291 0 2.4262293e-05 -1.7159941e-06 -2.8149643e-06 10.218103
6900 0.00038090601 0 2.4179172e-05 -2.2622259e-06 -2.1268271e-06 10.217024
7000 0.00038088094 0 2.4363443e-05 -2.4652531e-06 -8.209416e-07 10.215944
7100 0.00038094624 0 2.5119358e-05 -1.5432706e-06 1.1465135e-06 10.214684
7200 0.00038168738 0 2.5565338e-05 -1.4052753e-07 3.3146851e-06 10.212705
7300 0.00038200854 0 2.5436565e-05 4.353807e-07 3.3504276e-06 10.212345
7400 0.00038187543 0 2.4764819e-05 6.7297502e-07 1.5923471e-06 10.213084
7500 0.00038165297 0 2.4015684e-05 7.8657712e-07 1.0138435e-06 10.214742
Loop time of 32.2292 on 4 procs for 7500 steps with 11111 atoms
Performance: 1005300.744 tau/day, 232.709 timesteps/s
96.2% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.29763 | 0.30464 | 0.31393 | 1.1 | 0.95
Bond | 25.936 | 26.533 | 27.431 | 11.7 | 82.33
Neigh | 0.60911 | 0.63557 | 0.66475 | 2.8 | 1.97
Comm | 1.7247 | 2.7138 | 3.3823 | 40.5 | 8.42
Output | 0.020408 | 0.020935 | 0.02227 | 0.5 | 0.06
Modify | 1.8299 | 1.8724 | 1.9325 | 2.9 | 5.81
Other | | 0.1491 | | | 0.46
Nlocal: 2777.75 ave 2887 max 2682 min
Histogram: 1 0 0 0 2 0 0 0 0 1
Nghost: 1152.5 ave 1189 max 1125 min
Histogram: 1 0 1 0 0 1 0 0 0 1
Neighs: 11515.5 ave 12520 max 10831 min
Histogram: 1 1 0 0 1 0 0 0 0 1
Total # of neighbors = 46062
Ave neighs/atom = 4.1456215
Ave special neighs/atom = 10.214742
Neighbor list builds = 408
Dangerous builds = 0
Total wall time: 0:00:32