9921249796
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@3959 f3b2605a-c512-4ea7-a41b-209d697bcdaa
44 lines
786 B
Plaintext
44 lines
786 B
Plaintext
# Big colloid particles and small LJ particles
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units lj
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atom_style atomic
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dimension 2
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lattice sq 0.01
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region box block 0 30 0 30 -0.5 0.5
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create_box 2 box
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create_atoms 1 box
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set group all type/fraction 2 0.96 23984
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mass 1 9
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mass 2 1
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velocity all create 1.44 87287 loop geom
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# multi neighbor and comm for efficiency
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neighbor 1 multi
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neigh_modify delay 0
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communicate multi
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# colloid potential
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pair_style colloid 12.5
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pair_coeff 1 1 1.0 1.0 5.0 5.0 12.5
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pair_coeff 1 2 5.0 1.0 5.0 0.0 7.0
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pair_coeff 2 2 10.0 1.0 0.0 0.0 2.5
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fix 1 all npt temp 2.0 2.0 1.0 iso 0.0 1.0 10.0 drag 1.0 &
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mtk no pchain 0 tchain 1
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fix 2 all enforce2d
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dump 1 all atom 200 dump.colloid
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thermo_style custom step temp epair etotal press vol
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thermo 1000
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timestep 0.005
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run 50000
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