# LAMMPS benchmark of granular flow # chute flow of 32000 atoms with frozen base at 26 degrees units lj atom_style sphere boundary p p fs newton off comm_modify vel yes read_data data.chute pair_style gran/hooke/history 200000.0 NULL 50.0 NULL 0.5 0 pair_coeff * * neighbor 0.1 bin neigh_modify every 1 delay 0 timestep 0.0001 group bottom type 2 group active subtract all bottom neigh_modify exclude group bottom bottom fix 1 all gravity 1.0 chute 26.0 fix 2 bottom freeze fix 3 active nve/sphere compute 1 all erotate/sphere thermo_style custom step atoms ke c_1 vol thermo_modify norm no thermo 100 run 100