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lammps/examples/pour/log.pour.21May08.linux.1
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LAMMPS (21 May 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/sphere
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
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
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 1 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 20.231 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 13.4518 (66.4912)
Neigh time (%) = 1.66174 (8.21387)
Comm time (%) = 0.362025 (1.78946)
Outpt time (%) = 0.066838 (0.330375)
Other time (%) = 4.68855 (23.1751)
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 = 9.91094 Mbytes
Step Atoms KinEng 1 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 39.3461 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 28.4144 (72.2164)
Neigh time (%) = 2.58973 (6.58193)
Comm time (%) = 0.766247 (1.94745)
Outpt time (%) = 0.107744 (0.273835)
Other time (%) = 7.46804 (18.9804)
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
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