I ran on a cluster a 3D polydisperse DEM simulation with over 2 million particles (with air as a fluid), and when doing a restart_1, I have the following error: Fatal error in PMPI_Wait: Message truncated, error stack: PMPI_Wait(219)…: MPI_Wait(request=0x47a60750, status=0x3c32550) failed MPIR_W…

Answering my own question … in case it helps someone else By luck i figured that it was a Dynamic Load Balance issue. When having DBL_DT = … in the *.mfx it had the issue stated. It worked without.

marioi April 22, 2025, 2:39pm 6

I made a post about it here

Cannot restart DEM