forked from lijiext/lammps
72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
# Pour 2d granular particles into container
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dimension 2
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atom_style sphere
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atom_modify map array
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boundary f fm p
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newton off
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comm_modify vel yes cutoff 2.5
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fix prop all property/atom mol ghost yes
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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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# IMPORTANT NOTE: these values of stiffness (4000) 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 = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
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pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
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pair_coeff * *
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timestep 0.001
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fix 2 all gravity 1.0 spherical 0.0 -180.0
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fix xwalls all wall/gran hertz/history 4000.0 NULL 100.0 NULL 0 1 &
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xplane 0 100
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fix ywalls all wall/gran hertz/history 4000.0 NULL 100.0 NULL 0 1 &
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yplane 0 NULL
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molecule object molecule.vshape
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fix 3 all rigid/small molecule mol object
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# insure region size + molecule size does not overlap wall
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region slab block 3.0 97.0 30 34.5 -0.5 0.5 units box
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fix ins all pour 500 0 4767548 vol 0.8 10 &
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region slab mol object rigid 3
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fix 4 all enforce2d
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compute 1 all erotate/sphere
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compute Tsphere all temp/sphere
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thermo_style custom step atoms ke c_1 vol
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thermo_modify lost ignore norm no temp Tsphere
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compute_modify Tsphere dynamic yes
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thermo 1000
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#dump id all atom 100 tmp.dump
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#variable colors string &
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# "red green blue yellow white &
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# purple pink orange lime gray"
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#variable mol2 atom mol%10
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#dump 2 all image 250 image.*.jpg v_mol2 type &
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# zoom 1.6 adiam 1.5
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#dump_modify 2 pad 5 amap 0 10 sa 1 10 ${colors}
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#variable colors string &
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# "red green blue yellow white &
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# purple pink orange lime gray"
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#variable mol3 atom mol%10
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#dump 3 all movie 250 movie.mpg v_mol3 type &
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# zoom 1.6 adiam 1.5
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#dump_modify 3 pad 5 amap 0 10 sa 1 10 ${colors}
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run 25000
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