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Old   March 26, 2020, 02:16
Default OpenFoam parallel running
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Hi, I am new to OpenFOAM and now runnig a two-phase flow case parallelly. But it doesn't work and returns the following errors. I am not sure where it is wrong and it seems the OpenMPI is not installed correctly?

The OpenFOAM-6 is what I use and OpenMPI-3.1.2 was installed before installing OpenFOAM on my Ubuntu.

Thank you!

ERROR:
--------------------------------------------------------------------------
It looks like MPI_INIT failed for some reason; your parallel process is
likely to abort. There are many reasons that a parallel process can
fail during MPI_INIT; some of which are due to configuration or environment
problems. This failure appears to be an internal failure; here's some
additional information (which may only be relevant to an Open MPI
developer):

ompi_mpi_init: ompi_rte_init failed
--> Returned "(null)" (-43) instead of "Success" (0)
--------------------------------------------------------------------------
*** An error occurred in MPI_Init_thread
*** on a NULL communicator
*** MPI_ERRORS_ARE_FATAL (processes in this communicator will now abort,
*** and potentially your MPI job)
[Lancelot-Ubuntu:8226] Local abort before MPI_INIT completed completed successfully, but am not able to aggregate error messages, and not able to guarantee that all other processes were killed!
-------------------------------------------------------
Primary job terminated normally, but 1 process returned
a non-zero exit code. Per user-direction, the job has been aborted.
-------------------------------------------------------
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