forked from lijiext/lammps
58 lines
1.4 KiB
Plaintext
58 lines
1.4 KiB
Plaintext
# 2d rounded polygon bodies
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variable r index 4
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variable steps index 100000
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variable T index 0.5
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variable P index 0.1
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variable seed index 980411
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units lj
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dimension 2
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atom_style body rounded/polygon 1 6
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atom_modify map array
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read_data data.squares
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replicate $r $r 1
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velocity all create $T ${seed} dist gaussian mom yes rot yes
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change_box all boundary p f p
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variable cut_inner equal 0.5
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variable k_n equal 100
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variable k_na equal 2
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variable c_n equal 0.1
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variable c_t equal 0.1
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variable mu equal 0.1
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variable delta_ua equal 0.5
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pair_style body/rounded/polygon ${c_n} ${c_t} ${mu} ${delta_ua} ${cut_inner}
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pair_coeff * * ${k_n} ${k_na}
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comm_modify vel yes
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neighbor 0.5 bin
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neigh_modify every 1 delay 0 check yes
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timestep 0.001
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#fix 1 all nve/body
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#fix 1 all nvt/body temp $T $T 1.0
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fix 1 all npt/body temp $T $T 1.0 x 0.001 $P 1.0 fixedpoint 0 0 0
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fix 2 all enforce2d
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fix 3 all wall/body/polygon 2000 50 50 yplane 0.0 48.0
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#compute 1 all body/local id 1 2 3
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#dump 1 all local 100000 dump.polygon.* index c_1[1] c_1[2] c_1[3] c_1[4]
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thermo_style custom step ke pe etotal press
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thermo 1000
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#dump 2 all image 10000 image.*.jpg type type zoom 2.0 &
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# adiam 1.5 body type 0 0
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#dump_modify 2 pad 6
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run ${steps}
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