posXYZ material.xyz
velXYZ material.vxyz
Ndim 2
dt 0.005
mu 0.05
size 1.0
therm 1
nav 100
skip 10
speedc 3000.0
init_T 0.6
bond_str 100.0
wall_str 50.0
drag_str 10.0
rcut 2.5
safe 4000.0
fixed 
bonds 
