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MPI Application rank 0 exited before MPI_Finalize() with status -1073741819

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Old   April 27, 2019, 21:07
Default MPI Application rank 0 exited before MPI_Finalize() with status -1073741819
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Hi all,

I'm doing an FSI with system coupling and after a certain point in the run it gives out the following:

" Reversed flow on 40 faces (3.7% area) of pressure-outlet 5.
! 1693 solution is converged
1693 8.9890e-04 6.9204e-07 1.1039e-06 1.3291e-06 1.3521e-05 2.1101e-05 1.8513e+03 5.6139e-08 0:00:41 29
Flow time = 1.5399989s, time step = 154

Exchanging Data... done.
Writing "| gzip -2cf > C:\Users\juvelj1\AppData\Local\Temp\FSI Run 2.tmp\FSI Run 2_files\dp3\FFF-2\Fluent\FFF-2.1-11-00154.cas.gz"...
Writing temporary file C:\\Users\\juvelj1\\AppData\\Local\\Temp\\flntgz-402124 ...
139587 hexahedral cells, zone 12, binary.
139587 cell partition ids, zone 12, 4 partitions, binary.
412498 quadrilateral interior faces, zone 7, binary.
483 quadrilateral pressure-outlet faces, zone 5, binary.
11560 quadrilateral wall faces, zone 6, binary.
483 quadrilateral pressure-inlet faces, zone 18, binary.
146160 nodes, binary.
146160 node flags, binary.
Done.

Writing "| gzip -2cf > C:\Users\juvelj1\AppData\Local\Temp\FSI Run 2.tmp\FSI Run 2_files\dp3\FFF-2\Fluent\FFF-2.1-11-00154.dat.gz"...
Writing temporary file C:\\Users\\juvelj1\\AppData\\Local\\Temp\\flntgz-402125 ...
Done.

step flow-time report-def-1 flow-time
154 1.5400e+00 1.8513e+03 1.5400e+00

COUPLING STEP = 155 COUPLING ITERATION = 1
MPI Application rank 0 exited before MPI_Finalize() with status -1073741819
The fl process could not be started.
SC Fluent encountered fatal error. Saving case/data file....Done.
Deleting Client...done
Shutting down Server...done

===============Message from the Cortex Process================================

Fatal error in one of the compute processes.

================================================== ============================

Does anybody know what this is trying to tell me? Is it related to actual convergence of the fluid or unrelated?

Regards,
Zach
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Old   April 29, 2019, 02:06
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Quote:
Originally Posted by zjuv9021 View Post
COUPLING STEP = 155 COUPLING ITERATION = 1
MPI Application rank 0 exited before MPI_Finalize() with status -1073741819
The fl process could not be started.

It converged and successfully saved. Fluent did its thing. It tried to do the structural coupling part and something died.
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