lammps/examples/srd/in.srd.pure

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# 2d SRD only test
units lj
atom_style atomic
atom_modify first empty
dimension 2
# create box with big lattice
lattice sq 0.4
region box block 0 10 0 10 -0.5 0.5
create_box 1 box
# add SRD particles as hi density lattice
lattice sq 0.4
region plane block 0 10 0 10 -0.001 0.001
lattice sq 85.0
create_atoms 1 region plane
group empty type 2
mass 1 0.01
velocity all create 1.0 593849 loop geom
# settings - need dummy empty group to enable no communication
neighbor 0.3 bin
neigh_modify delay 1 every 1 check no
communicate single group empty
# timestep is big and SRD frequency is 1
timestep 0.02
fix 1 all srd 1 NULL 1.0 0.25 49894 collision slip
fix 2 all enforce2d
# diagnostics
thermo_style custom step temp f_1[7] etotal press f_1[3] f_1[4] f_1[6]
thermo 100
dump 1 all atom 250 dump.srd.pure
run 5000