forked from lijiext/lammps
53 lines
1.3 KiB
Plaintext
53 lines
1.3 KiB
Plaintext
# Pour granular particles into chute container, then induce flow
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atom_style sphere
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boundary p p fm
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newton off
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comm_modify vel yes
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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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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/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
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pair_coeff * *
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timestep 0.001
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fix 1 all nve/sphere
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fix 2 all gravity 1.0 spherical 0.0 -180.0
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fix zlower all wall/gran hooke/history 2000.0 NULL 50.0 NULL 0.5 0 &
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zplane 0.0 2000.0
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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 pour 3000 1 300719 vol 0.13 50 region slab
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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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thermo 1000
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thermo_modify lost ignore norm no
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compute_modify thermo_temp dynamic yes
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#dump id all atom 1000 dump.pour
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#dump 2 all image 1000 image.*.jpg type type &
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# axes yes 0.8 0.02 view 80 -30
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#dump_modify 2 pad 5
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#dump 3 all movie 1000 movie.mpg type type &
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# axes yes 0.8 0.02 view 80 -30
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#dump_modify 3 pad 5
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run 25000
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unfix ins
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fix 2 all gravity 1.0 chute 26.0
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run 25000
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