This is the file that has the input commands for LAMMPS to execute a run. Copy and paste the following text in to a file named W.in.meam.
# Test of MEAM potential for Tungsten system units metal boundary p p p atom_style atomic read_data W.pos pair_style meam pair_coeff * * W.library.meam W W.meam W neighbor 0.3 bin neigh_modify delay 10 thermo 1 dump 1 all custom 1 W.dump.meam id type x y z log W.log.lammps minimize 1.0e-8 1.0e-8 100 10000