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lammps/examples/pour/log.pour.9Jan12.linux.1
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LAMMPS (10 Jan 2012)
# Pour granular particles into chute container, then induce flow
atom_style sphere
boundary p p fm
newton off
communicate single vel yes
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 MPI 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/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran 2000.0 NULL 50.0 NULL 0.5 0 zplane 0.0 2000.0
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 = 9.46169 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 1425.0863 12.9927 6600
4000 804 1724.8532 47.325647 6600
5000 804 1598.6681 64.779741 6600
6000 804 1364.8231 61.75911 6600
7000 1206 1519.7287 69.028648 6600
8000 1206 1409.6162 62.604938 6600
9000 1206 1243.5344 53.025705 6600
10000 1608 1400.9581 57.452979 6600
11000 1608 1225.6036 52.631505 6600
12000 1608 1184.2735 45.623535 6600
13000 2010 1298.3639 50.266254 6600
14000 2010 1177.6607 41.899866 6600
15000 2010 986.18539 45.283438 6600
16000 2412 1032.5845 41.218715 6600
17000 2412 1024.6469 39.790283 6600
18000 2412 913.80876 40.351496 6600
19000 2814 1010.144 39.468447 6600
20000 2814 953.92496 40.689106 6600
21000 2814 762.62053 42.228087 6600
22000 2814 517.63012 38.535819 6600
23000 3000 424.8833 34.836058 6600
24000 3000 363.8636 21.972506 6600
25000 3000 210.08035 24.819644 6600
Loop time of 9.40419 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 5.45799 (58.0379)
Neigh time (%) = 1.0322 (10.9759)
Comm time (%) = 0.250612 (2.66489)
Outpt time (%) = 0.0380349 (0.404446)
Other time (%) = 2.62535 (27.9168)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 670 ave 670 max 670 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13595 ave 13595 max 13595 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13595
Ave neighs/atom = 4.53167
Neighbor list builds = 1152
Dangerous builds = 0
unfix ins
fix 2 all gravity 1.0 chute 26.0
run 25000
Memory usage per processor = 10.2619 Mbytes
Step Atoms KinEng 1 Volume
25000 3000 210.08035 24.819644 6600
26000 3000 114.38566 17.150932 6600
27000 3000 104.67608 12.322911 6600
28000 3000 183.35846 11.491313 6600
29000 3000 304.77431 13.371079 6600
30000 3000 483.13283 15.775148 6600
31000 3000 698.65983 22.583167 6600
32000 3000 997.91493 29.132887 6600
33000 3000 1381.6582 36.071846 6600
34000 3000 1807.7933 39.766028 6600
35000 3000 2308.8013 49.301118 6600
36000 3000 2872.3529 55.638219 6600
37000 3000 3528.2521 68.672321 6600
38000 3000 4243.7668 78.210271 6600
39000 3000 5050.5727 86.453776 6600
40000 3000 5777.2063 90.664206 6600
41000 3000 6697.0059 105.74557 6600
42000 3000 7649.5485 121.09489 6600
43000 3000 8695.8277 129.0904 6600
44000 3000 9843.446 146.82081 6600
45000 3000 10998.776 143.2563 6600
46000 3000 12138.363 170.04079 6600
47000 3000 13412.445 174.29258 6600
48000 3000 14479.945 179.49372 6600
49000 3000 15616.206 182.18045 6600
50000 3000 16633.42 195.0737 6600
Loop time of 18.5002 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 12.0726 (65.2567)
Neigh time (%) = 1.54973 (8.37683)
Comm time (%) = 0.540591 (2.92209)
Outpt time (%) = 0.0597088 (0.322747)
Other time (%) = 4.27755 (23.1217)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 747 ave 747 max 747 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13861 ave 13861 max 13861 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13861
Ave neighs/atom = 4.62033
Neighbor list builds = 807
Dangerous builds = 0
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