To restart an analysis, various files that were created by the
previous analysis must be available in the directory from which you started the
Abaqus/CAE
session.
Abaqus/Standard
Output database (.odb)
Restart file (.res)
Model file (.mdl)
Part file (.prt)
State file (.stt)
Abaqus/Explicit
Output database (.odb)
Restart file (.res)
Model file (.mdl)
Package file (.pac)
Part file (.prt)
State files (.abq and .stt)
Selected results file (.sel)
The restart analysis generates an error if any of these files are not
available in the current directory.