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Running fluent with distributed memory on a Cluster option

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Old   November 12, 2024, 06:22
Default Running fluent with distributed memory on a Cluster option
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Hi all,

I am trying to run Ansys Fluent 2024 R2 in distributed mode on two computers.

Computer 1:
AMD Ryzen 9 7950X
64 GB RAM
NVIDIA RTX A4000
Windows 11

Computer 2:
AMD Ryzen 9 7950X
64 GB RAM
NVIDIA Quadro 4000
Windows 11

I have followed the instructions of a previous thread: [TUTORIAL] Run fluent on distributed memory with 2 windows 7 64 bit machines

Same username and password on both computers, same Ansys and Intel MPI versions are installed at the same path. I have also checked the recommended Intel MPI version for the Ansys version and the correct one (2021.8.0) is installed.

The whole C: drive is shared both on Computer 1 and Computer 2. Credentials were registered from both sides.

The problem is that I can't run fluent using both computers' resources. I can run Fluent from Computer 1 using Computer 2's resources and back, but when I specify to run 4 cores on Computer 1 and 4 cores on computer 2 then I get an error message (see attached photo Error messgae.png). It does not matter how many cores I specifiy, there is a problem when I would like to use both computer's resources. Individually they work well.

Thank you in advance for any suggestion that can solve this!
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File Type: png parallel settings.png (28.4 KB, 2 views)
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cluster setup, distributed parallel, fluent


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