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lammps/examples/pour/log.pour.2d.21May08.linux.1
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LAMMPS (21 May 2008)
# Pour 2d granular particles into container
dimension 2
atom_style granular
boundary f fm p
newton off
region reg block 0 100 0 50 -0.5 0.5 units box
create_box 1 reg
Created orthogonal box = (0 0 -0.5) to (100 50 0.5)
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/hertzian 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 xwalls all wall/gran xplane 0 100 50 0
fix ywalls all wall/gran yplane 0 NULL 50 0
region slab block 1.0 99.0 30 34.5 -0.5 0.5 units box
fix ins all pour 1000 1 4767548 vol 0.4 10 diam 0.5 1.0 region slab
Particle insertion: 224 every 3000 steps, 1000 by step 12001
fix 3 all enforce2d
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 250 dump.pour
run 25000
Memory usage per processor = 3.12551 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 5000
1000 224 348.20549 0 5000
2000 224 650.98655 0 5000
3000 224 1056.0039 0 5000
4000 448 1941.6817 0 5000
5000 448 2869.092 0 5000
6000 448 3244.0285 59.709037 5000
7000 672 3381.9514 72.635418 5000
8000 672 3209.9845 135.37739 5000
9000 672 3037.2686 125.65507 5000
10000 896 2983.0247 113.16927 5000
11000 896 2808.8482 72.058343 5000
12000 896 2750.718 73.383261 5000
13000 1000 2726.6048 65.657144 5000
14000 1000 2512.3122 60.161228 5000
15000 1000 2081.7342 49.717007 5000
16000 1000 1454.4989 55.593577 5000
17000 1000 838.42356 47.392952 5000
18000 1000 591.78268 31.70284 5000
19000 1000 267.16614 26.169498 5000
20000 1000 39.186825 15.992488 5000
21000 1000 25.943515 7.3119929 5000
22000 1000 15.094337 4.2244747 5000
23000 1000 8.3263828 2.7944168 5000
24000 1000 4.0127427 1.5742141 5000
25000 1000 1.6900361 0.87976982 5000
Loop time of 6.8258 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 3.86265 (56.5889)
Neigh time (%) = 0.370904 (5.43385)
Comm time (%) = 0.0147769 (0.216486)
Outpt time (%) = 0.113987 (1.66994)
Other time (%) = 2.46349 (36.0908)
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 0 ave 0 max 0 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2475 ave 2475 max 2475 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2475
Ave neighs/atom = 2.475
Neighbor list builds = 1627
Dangerous builds = 0
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