[lammps-users] problem of simulation for a single polymer with NVT ( log file )

I thought a log file can be useful. So I attached it as well. It can be
seen the volume suddenly increases by a few times after stay stable for
a long while.
     Thanks for taking time!

jiwu

sim_1_2_.bs (937 Bytes)

sim_1_2_.data (12.2 KB)

sim_1_2_.log (66.6 KB)