136 lines
5.2 KiB
Groff
136 lines
5.2 KiB
Groff
LAMMPS (1 Oct 2006)
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# Pour granular particles into chute container, then induce flow
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atom_style granular
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boundary p p fm
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newton off
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region reg block -10 10 -10 10 -0.5 16 units box
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create_box 1 reg
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Created box = (-10 -10 -0.5) to (10 10 16)
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1 by 1 by 1 processor grid
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neighbor 0.2 bin
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neigh_modify delay 0
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# IMPORTANT NOTE: these values of stiffness (2000) and timestep (0.001)
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# are used in this example file to produce a quick simulation and movie.
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# More appropriate values for realistic simulations would be
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# k = 2.0e5 and dt = 0.0001, as in bench/in.chute.
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pair_style gran/history 2000.0 50.0 0.50 0
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timestep 0.001
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fix 1 all nve/gran
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fix 2 all gravity spherical 0.0 -180.0
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fix zlower all wall/gran zplane 0.0 2000.0 50.0 0.5
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region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
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fix ins all insert 3000 1 300719 vol 0.13 50 region slab
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Particle insertion: 402 every 3162 steps, 3000 by step 22135
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thermo_style granular
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thermo 1000
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thermo_modify lost ignore
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dump id all atom 125 dump.pour
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run 25000
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Memory usage per processor = 0.335693 Mbytes
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Step Atoms Trans-KE Rot-KE Volume
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0 0 0 0 6600
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1000 402 779.98578 0 6600
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2000 402 1424.4252 0 6600
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3000 402 1425.2447 14.149848 6600
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4000 804 1717.5445 46.833537 6600
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5000 804 1602.4038 53.613557 6600
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6000 804 1344.3882 61.238792 6600
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7000 1206 1551.5556 61.093446 6600
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8000 1206 1403.0526 59.960391 6600
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9000 1206 1235.4923 50.748092 6600
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10000 1608 1363.3275 53.312989 6600
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11000 1608 1240.0576 51.060525 6600
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12000 1608 1181.29 41.956851 6600
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13000 2010 1305.2234 48.405298 6600
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14000 2010 1184.9666 43.407539 6600
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15000 2010 982.48676 46.414299 6600
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16000 2412 1039.3552 40.73208 6600
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17000 2412 1021.9131 40.24246 6600
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18000 2412 918.39685 36.6021 6600
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19000 2814 1008.0642 40.503982 6600
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20000 2814 969.92049 46.359854 6600
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21000 2814 742.83883 45.261311 6600
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22000 2814 535.51412 35.78601 6600
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23000 3000 422.4646 36.018166 6600
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24000 3000 369.01471 20.276832 6600
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25000 3000 222.8011 25.262721 6600
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Loop time of 78.181 on 1 procs for 25000 steps with 3000 atoms
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Pair time (%) = 43.4696 (55.6012)
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Neigh time (%) = 5.03235 (6.4368)
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Comm time (%) = 2.47885 (3.17066)
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Outpt time (%) = 1.71796 (2.19742)
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Other time (%) = 25.4822 (32.5939)
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Nlocal: 3000 ave 3000 max 3000 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Nghost: 673 ave 673 max 673 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Neighs: 13554 ave 13554 max 13554 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 13554
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Ave neighs/atom = 4.518
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Neighbor list builds = 1150
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Dangerous builds = 0
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unfix ins
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fix 2 all gravity chute 26.0
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run 25000
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Memory usage per processor = 7.23976 Mbytes
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Step Atoms Trans-KE Rot-KE Volume
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25000 3000 222.8011 25.262721 6600
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26000 3000 99.759326 19.389504 6600
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27000 3000 74.30069 10.522988 6600
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28000 3000 95.90836 8.0897997 6600
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29000 3000 136.21033 7.1058765 6600
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30000 3000 202.52399 9.2690664 6600
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31000 3000 282.02475 11.360363 6600
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32000 3000 375.70421 12.925874 6600
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33000 3000 501.43635 15.872649 6600
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34000 3000 656.34183 20.080962 6600
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35000 3000 859.69119 23.330343 6600
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36000 3000 1124.0709 27.369289 6600
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37000 3000 1402.6834 32.467711 6600
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38000 3000 1755.6508 36.236793 6600
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39000 3000 2127.602 43.307008 6600
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40000 3000 2514.5587 41.763683 6600
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41000 3000 2894.3174 50.043024 6600
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42000 3000 3375.7464 58.443129 6600
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43000 3000 3927.7147 63.466029 6600
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44000 3000 4361.4566 67.176165 6600
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45000 3000 4990.8433 72.328717 6600
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46000 3000 5538.4251 76.231574 6600
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47000 3000 6148.7886 82.989651 6600
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48000 3000 6759.9046 86.32529 6600
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49000 3000 7398.1553 93.870085 6600
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50000 3000 8060.7836 93.818377 6600
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Loop time of 163.879 on 1 procs for 25000 steps with 3000 atoms
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Pair time (%) = 104.425 (63.7212)
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Neigh time (%) = 5.99224 (3.65651)
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Comm time (%) = 5.51156 (3.3632)
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Outpt time (%) = 2.83083 (1.72739)
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Other time (%) = 45.1186 (27.5317)
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Nlocal: 3000 ave 3000 max 3000 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Nghost: 779 ave 779 max 779 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Neighs: 13636 ave 13636 max 13636 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 13636
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Ave neighs/atom = 4.54533
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Neighbor list builds = 641
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Dangerous builds = 0
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