I am working on an impact modeling in ABAQUS/Explicit and currently, I am trying to initiate damage to my model using user subroutine VUSDFLD. I had no luck running the VUSDFLD, ABAQUS exited with errors and there was no error messages in the status file or any other files. So, I am kind of lost where to go next or where to look for this error. I would appreciate it if someone could suggest a simple way to start with damage modeling in ABAQUS , it does not have to be impact test. Then from there I could go further and do my impact damage modeling.