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lammps/examples/pour/log.pour.2d.15Jan10.linux.1
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LAMMPS (15 Jan 2010)
# Pour 2d granular particles into container
dimension 2
atom_style granular
boundary f fm p
newton off
communicate single vel yes
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 (4000) 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 = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
pair_style gran/hertz/history 4000.0 NULL 100.0 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 xwalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 xplane 0 100
fix ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 yplane 0 NULL
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 = 9.26717 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 5000
1000 224 185.87695 0 5000
2000 224 348.08417 0 5000
3000 224 565.2162 0 5000
4000 448 1042.9716 0 5000
5000 448 1542.0614 0 5000
6000 448 1766.5136 41.192729 5000
7000 672 1846.4596 67.352592 5000
8000 672 1814.3429 92.898167 5000
9000 672 1662.3648 111.88801 5000
10000 896 1655.1664 91.582952 5000
11000 896 1550.2423 70.438544 5000
12000 896 1488.1978 65.021653 5000
13000 1000 1482.2858 69.55715 5000
14000 1000 1355.7496 55.162745 5000
15000 1000 1137.9735 56.730082 5000
16000 1000 778.31206 50.833407 5000
17000 1000 460.23433 41.153574 5000
18000 1000 332.84841 29.77631 5000
19000 1000 145.02651 27.327555 5000
20000 1000 41.913445 19.800906 5000
21000 1000 20.443051 12.249147 5000
22000 1000 15.845191 9.3147926 5000
23000 1000 13.747307 6.6221816 5000
24000 1000 12.729284 4.9740484 5000
25000 1000 9.7364787 3.6669868 5000
Loop time of 5.29955 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 2.42585 (45.7747)
Neigh time (%) = 0.443626 (8.37101)
Comm time (%) = 0.0203276 (0.383571)
Outpt time (%) = 0.124462 (2.34854)
Other time (%) = 2.28528 (43.1222)
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: 2371 ave 2371 max 2371 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2371
Ave neighs/atom = 2.371
Neighbor list builds = 2038
Dangerous builds = 0
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