Thanks for you reply, Alex. My script updates the input file and it may be not the problem of input file, I searched some other results and find PRDMP may help but I am still not sure. The input file focus on radiation shielding so I didnt do any mesh settings.
I run my mcnp on a server and it...
I use Python scripts to run mcnp.mpi like
And I encountered this bug report
The scipts has run normally for a few hours. I extracted the inp file and it can be run normally.
I searched on Internet and found it seems to be the problem related to memory, but i checked the log, there's still...