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lammps/examples/pour/log.pour.10Sep10.linux.1
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LAMMPS (10 Sep 2010)
# Pour granular particles into chute container, then induce flow
atom_style granular
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 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 = 9.14886 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 62.604955 6600
9000 1206 1243.5289 52.989305 6600
10000 1608 1403.0711 56.9465 6600
11000 1608 1225.8111 52.938639 6600
12000 1608 1180.1935 40.544973 6600
13000 2010 1328.8958 49.216222 6600
14000 2010 1178.4104 44.431482 6600
15000 2010 998.18775 45.388975 6600
16000 2412 1050.7228 44.704814 6600
17000 2412 1025.5915 40.030825 6600
18000 2412 919.51551 36.650545 6600
19000 2814 1006.5829 41.592546 6600
20000 2814 964.34863 40.248622 6600
21000 2814 755.00069 47.423444 6600
22000 2814 516.03089 37.374261 6600
23000 3000 412.07349 38.529474 6600
24000 3000 352.98971 25.413823 6600
25000 3000 224.4892 26.293648 6600
Loop time of 16.408 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 10.0184 (61.0578)
Neigh time (%) = 1.56245 (9.52248)
Comm time (%) = 0.336968 (2.05368)
Outpt time (%) = 0.07234 (0.440882)
Other time (%) = 4.41788 (26.9251)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 675 ave 675 max 675 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13593 ave 13593 max 13593 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13593
Ave neighs/atom = 4.531
Neighbor list builds = 1154
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 224.4892 26.293648 6600
26000 3000 109.35155 19.099437 6600
27000 3000 106.58675 12.27262 6600
28000 3000 183.89427 10.880842 6600
29000 3000 292.94648 11.873629 6600
30000 3000 464.71914 16.448049 6600
31000 3000 686.57043 21.625578 6600
32000 3000 928.71115 29.23142 6600
33000 3000 1306.1411 35.231678 6600
34000 3000 1749.5669 40.390136 6600
35000 3000 2276.5984 52.718937 6600
36000 3000 2903.9133 59.451797 6600
37000 3000 3546.0796 61.447694 6600
38000 3000 4236.2302 80.403853 6600
39000 3000 5094.5896 91.929565 6600
40000 3000 5945.8279 104.35396 6600
41000 3000 6966.1795 111.16923 6600
42000 3000 8070.0072 125.57778 6600
43000 3000 9283.327 145.20852 6600
44000 3000 10603.168 165.13356 6600
45000 3000 11844.495 162.80115 6600
46000 3000 13223.004 179.54672 6600
47000 3000 14640.883 189.5725 6600
48000 3000 16191.178 222.62089 6600
49000 3000 17788.584 221.35968 6600
50000 3000 19393.123 255.33084 6600
Loop time of 32.0951 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 21.8718 (68.1469)
Neigh time (%) = 2.30993 (7.19712)
Comm time (%) = 0.717816 (2.23653)
Outpt time (%) = 0.118026 (0.36774)
Other time (%) = 7.07752 (22.0517)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 763 ave 763 max 763 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 14168 ave 14168 max 14168 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 14168
Ave neighs/atom = 4.72267
Neighbor list builds = 807
Dangerous builds = 0
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