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parallel calculation with multi-processor unit Ansys Fluent 19?

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Old   June 14, 2018, 19:51
Default parallel calculation with multi-processor unit Ansys Fluent 19?
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Adam
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Dear Researchgate member,
i try to simulation diesel engine with Ansys fluent 19
i use a laptop with 04 processor, as below details :

Welcome to ANSYS Fluent Release 19.1
Copyright 1987-2018 ANSYS, Inc. All Rights Reserved.
Unauthorized use, distribution or duplication is prohibited.
This product is subject to U.S. laws governing export and re-export.
For full Legal Notice, see documentation.
Build Time: Apr 9 2018 14:07:31 Build Id: 10123
Host spawning Node 0 on machine "DESKTOP-JPAIALE" (win64).
WARNING: No cached password or password provided.
use '-pass' or '-cache' to provide password
Host 0 -- ip 192.168.1.111 -- ranks 0 - 3
host | 0
======|======
0 : SHM
Prot - All Intra-node communication is: SHM
-------------------------------------------------------------------------------
ID Hostname Core O.S. PID Vendor
-------------------------------------------------------------------------------
n3 DESKTOP-JPAIALE 4/4 Windows-x64 6236 Intel(R) Core(TM) i7-6500U
n2 DESKTOP-JPAIALE 3/4 Windows-x64 11924 Intel(R) Core(TM) i7-6500U
n1 DESKTOP-JPAIALE 2/4 Windows-x64 10636 Intel(R) Core(TM) i7-6500U
n0* DESKTOP-JPAIALE 1/4 Windows-x64 8660 Intel(R) Core(TM) i7-6500U
host DESKTOP-JPAIALE Windows-x64 7228 Intel(R) Core(TM) i7-6500U
MPI Option Selected: ibmmpi
Selected system interconnect: default
-------------------------------------------------------------------------------
Cleanup script file is F:\DR_GML\2018_CFD_Ansys Fluent\mechanism_load90\22_mai_18 _enhanced_mesh_without_ports\test05_ansys 19\cleanup-fluent-DESKTOP-JPAIALE-7228.bat

** just after hybrid initialization I get the following error :

999999: mpt_accept: error: accept failed: No such file or directory
999999: mpt_accept: error: accept failed: No such file or directory
MPI Application rank 0 exited before MPI_Finalize() with status 2
The fl process could not be started.

**please help me, how to solve this issue, it is urgent for me ,
even I can't do a serial calculation , i got the following error :

999999: mpt_accept: error: accept failed: No such file or directory
999999: mpt_accept: error: accept failedMPI Application rank 0 exited before MPI_Finalize() with status 2
The fl process could not be started.


Thanks in advance for your help
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Old   June 15, 2018, 03:57
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Hi Adam,

From the transcript that you sent, it looks like your path has a space in it. I advise you to get rid of that space. (*Probably* not an issue here, but it will be if you start using UDFs.)

Other thoughts:
-- Try "standard" initialization instead.
-- Check that you are not missing any input files (flamelet models, inlet profiles, viewfactors, or whatever).
-- Go through all the settings and check that there are no blank entries.
-- Go through all the monitor definitions and check that they are valid. Maybe, as a paranoid measure, delete all the monitor plots, all the monitor files and all the report definitions (in that order).
-- You could try the "Check Case" button.

-- If none of this works, try a simpler case (maybe a tutorial), to troubleshoot whether the problem is with that case or the whole installation.

Good luck!
Ed
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Old   June 15, 2018, 10:24
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Lucky Tran
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This is some parallel/mpi error. In fluent 19 there is no longer a serial mode so don't expect it to fix anything. Try using a different mpi, you are using ibm mpi.
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Old   June 16, 2018, 19:54
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Adam
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Dear Lucky,
i use intel MPI
i want just to perform a serial calculation because my laptop is not strong ( I7 6500u with 12 gram)
thanks in advance

Last edited by Adam_PHD; June 18, 2018 at 12:08.
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