# bulk Cu lattice units metal atom_style atomic lattice fcc 3.6 region box block 0 10 0 10 0 10 boundary p p p create_box 1 box create_atoms 1 box pair_style eam pair_coeff 1 1 Cu_u3.eam fix 1 all nve set atom 10 vx 1000 vy 1000 vz 1000 neighbor 0.3 bin neigh_modify every 1 timestep 0.05 thermo 50 dump out all xyz 50 output.dump dump vel all custom 50 velocity.dump vx vy vz run 1000