System blowing up in a GROMACS Polyethylene melt simulation, any ideas?

I am trying to make a polymer melt of Polyethylene at 150+ deg. C. (No solvent in the system) FF: OPLS-AA (Topology created using pdb2gmx) Important Parameters for EM:  integrator = steep emtol =...

10 November 2015 3,770 4 View