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MPI_Finalize error

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Old   December 17, 2015, 19:00
Default MPI_Finalize error
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javad eghbali
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Hi everyone
I am runing my priject in fluent 15
After about 4000_700 iteration my run is stoped and writed this eror :
MPI application rank 0 exited before MPI_FINALIZE() with status

I dont know why I get this eror and what I do???
Please help me
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Old   December 20, 2015, 12:41
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1) "with status.." what status? Did your give us a full error text?
2) Maybe, you are out of memory - then, operation system kills the process (this is specifically true under Linux)
3) It could be internal calculation error. Does single-thread FLUENT solves the problem correctly?
You could autosave your calculation every N (e.g., 300) iterations, then, after fail restart from the last saved file.
4) if your parallel FLUENT fails every time independently of the task being solved (with different problems/case-files), it could be defective memory card

Last edited by villager; December 20, 2015 at 12:49. Reason: improved answer
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error, fluent, mpi, mpi_finalize

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