# Point dipoles in a 2d box units lj atom_style hybrid sphere dipole dimension 2 lattice sq2 0.7 region box block 0 10 0 10 -0.5 0.5 create_box 1 box create_atoms 1 box # need both mass settings due to hybrid atom style mass 1 1.0 set group all mass 1.0 set group all dipole/random 98934 0.75 velocity all create 0.0 87287 mom no pair_style lj/cut/dipole/cut 2.5 pair_coeff * * 1.0 1.0 neighbor 0.3 bin neigh_modify delay 0 fix 1 all nve/sphere update dipole fix 2 all enforce2d timestep 0.005 compute erot all erotate/sphere thermo_style custom step temp epair c_erot etotal press thermo 500 #dump 1 all custom 500 dump.dipole id type x y z mux muy #dump 1 all image 250 image.*.jpg mux type & # zoom 1.6 adiam 1.2 #dump_modify 1 pad 5 run 10000