Dear lammps User,
I am using LAMMPS 10-March 2021 version on the ubuntu 20.04 LTS system. I wish to fix the edge of my simulation box using PBC. For this, I used Fix Wall/harmonic command but find the following errors:
Setting up Verlet run …
Unit style : lj
Current step : 0
Time step : 0.005
Per MPI rank memory allocation (min/avg/max) = 5.550 | 5.550 | 5.550 Mbytes
Step Temp TotEng PotEng KinEng Press Volume Density
0 0.020079576 0.50338531 0.48340664 0.019978674 3.6745748 220.99448 0.47148761
ERROR on proc 2: Particle on or inside fix wall surface (…/fix_wall_harmonic.cpp:74)
ERROR on proc 0: Particle on or inside fix wall surface (…/fix_wall_harmonic.cpp:74)