Learning Forum

[fatemeh.hosseini]

Hello every body,
I coupled EDEM and Fluent together. It initially performed well. The error happened after 11400 iterations:

59: MPT_host_to_node_char: error: Failed to allocate 333031200 bytes (..\..\src\locate_particles.c:159)!: Not enough space

Fatal error in PMPI_Bcast: Invalid buffer pointer, error stack:

PMPI_Bcast(2667): MPI_Bcast(buf=0000000000000000, count=333031200, MPI_CHAR, root=0, comm=0x84000002) failed

PMPI_Bcast(2636): Null buffer pointer

[mpiexec@UL-4XJFH73] ..\hydra\utils\sock\sock.c (420): write error (Unknown error)

send of 23 bytes failed.

[mpiexec@UL-4XJFH73] ..\hydra\utils\launch\launch.c (121): shutdown failed, sock 644, error 10093

The fl process could not be started.

(Please refer to the attached file)
The simulation is located in the 167 gigabyte-free deive D.
I used 80 of the system's 96 cores for simulation.
Could you please guide me in this field?

Regards,
Fatemeh

[Rob]

Are you using the EDEM coupling UDFs?  The error suggests you've run out of RAM rather than disc space.