# FENE beadspring benchmark variable x index 1 variable y index 1 variable z index 1 units lj atom_style bond atom_modify map hash special_bonds fene read_data data.chain replicate $x $y $z neighbor 0.4 bin neigh_modify every 1 delay 1 bond_style fene bond_coeff 1 30.0 1.5 1.0 1.0 pair_style lj/cut 1.12 pair_modify shift yes pair_coeff 1 1 1.0 1.0 1.12 fix 1 all nve fix 2 all langevin 1.0 1.0 10.0 904297 thermo 100 timestep 0.012 run 100