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ERROR: error occurred executing acuPrep / ERROR :No RUN command found / Hypermesh CFD 2025

GuilhermeKonshi12 · 2025-06-10T10:56:01+00:00

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GuilhermeKonshi12

Hi,

I have spent the past two consecutive days attempting to run a CFD simulation using HyperMesh. However, every time I attempt to run the simulation, it gets canceled and the following log file appears ( attached image).

I have successfully run other simulations earlier this week without encountering any such issues. I don’t believe the issue is in the pre-processing stage, as I carefully repeated the setup multiple times to make sure nothing was missed. However, I am still learning and don’t have much experience, so I might be making some simple mistakes.

If anyone can help me, I’d really appreciate it!

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HyperMesh CFD

Accepted answers

acupro

Yes - those could definitely be causing the issues. HyperMesh CFD probably cannot determine where to write the files - then cannot open the input file as they cannot be found.

Best to modify the name for that problem directory.

All comments

acupro

The error messages indicate the input file cannot be found - so it's possible it's being written to an unintended location - not consistent with where the solver is looking. Or - sometimes spaces or special characters in directory or problem names can cause issues.

Can you add an image of the Launch Solver panel - with that panel wide enough to show the complete paths / directories for all entries?

GuilhermeKonshi12

Thanks for your reply!

Just checking, is this the image you need?

Could the "çõ" be causing issues for the solver in locating the file?

acupro

Yes - those could definitely be causing the issues. HyperMesh CFD probably cannot determine where to write the files - then cannot open the input file as they cannot be found.

Best to modify the name for that problem directory.