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[snappyHexMesh] Number of cells/points in mesh and field don't match

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Old   March 11, 2024, 06:54
Pedro Gouveia
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Hey everyone.

I am simulating a transient analysis of a centrifugal pump using the sliding mesh approach (dynamic mesh) for my masters thesis. I am using the results of a steady state analysis as initial conditions for this transient simulation. I ran around 0.46 seconds (4.7 rotations of the impeller) and I am facing an issue when postprocessing the data in paraview.

First of all, I have this error when I firstly open the paraview:

 ERROR: In vtkOpenFOAMReader.cxx, line 8816
vtkOpenFOAMReaderPrivate (0x634e420): Number of cells/points in mesh and field do not match: mesh = 0, field = 13952 in Up, li { white-space: pre-wrap; }

Second, I have not an interpolated result for the velocity. Only the results in the centroids.

I believe this is due to the fact that I am using a sliding mesh. If anyone has any idea of why this might be happening, I would be truly grateful. I believe it has to do with the fact that I am using a dynamic mesh.

Best Regards,
Pedro Gouveia
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Old   May 29, 2024, 07:32
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Originally Posted by aghora17 View Post
found the solution into some Allrun files.

you just need to run: snappyHexMesh -overwrite and it will take care of the problem.
It works, very thanks!
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