2006-09-28 03:50:55 +08:00
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# Pour 2d granular particles into container
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dimension 2
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atom_style granular
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2007-06-23 07:41:35 +08:00
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boundary f fm p
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2006-09-28 03:50:55 +08:00
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newton off
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region reg block 0 100 0 50 -0.5 0.5 units box
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create_box 1 reg
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neighbor 0.2 bin
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neigh_modify delay 0
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2009-01-09 07:18:50 +08:00
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# IMPORTANT NOTE: these values of stiffness (4000) and timestep (0.001)
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2006-09-28 03:50:55 +08:00
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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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2009-01-10 06:18:56 +08:00
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# k = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
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2006-09-28 03:50:55 +08:00
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2009-01-09 07:18:50 +08:00
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pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
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2009-01-07 01:12:05 +08:00
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pair_coeff * *
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2006-09-28 03:50:55 +08:00
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timestep 0.001
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2008-03-19 05:46:17 +08:00
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fix 1 all nve/sphere
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2007-07-09 23:16:41 +08:00
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fix 2 all gravity 1.0 spherical 0.0 -180.0
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2009-01-10 06:18:56 +08:00
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fix xwalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 &
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2009-01-09 07:18:50 +08:00
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xplane 0 100
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2009-01-10 06:18:56 +08:00
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fix ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 &
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2009-01-09 07:18:50 +08:00
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yplane 0 NULL
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2006-09-28 03:50:55 +08:00
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region slab block 1.0 99.0 30 34.5 -0.5 0.5 units box
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2006-12-13 08:37:25 +08:00
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fix ins all pour 1000 1 4767548 vol 0.4 10 &
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2006-09-28 03:50:55 +08:00
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diam 0.5 1.0 region slab
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fix 3 all enforce2d
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2008-05-17 05:57:36 +08:00
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compute 1 all erotate/sphere
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thermo_style custom step atoms ke c_1 vol
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2006-09-28 03:50:55 +08:00
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thermo 1000
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2008-03-19 05:46:17 +08:00
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thermo_modify lost ignore norm no
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2007-02-13 01:24:44 +08:00
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compute_modify thermo_temp dynamic yes
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2006-09-28 03:50:55 +08:00
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2007-06-23 07:41:35 +08:00
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dump id all atom 250 dump.pour
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2006-09-28 03:50:55 +08:00
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run 25000
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