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[blockMesh] Axisymmetric blockMesh for cylinder is failing checkMesh

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Old   April 7, 2021, 09:09
Default Axisymmetric blockMesh for cylinder is failing checkMesh
Bushra Rasheed
Join Date: Dec 2020
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I am trying to make axisymmetric blockMesh for cylinder in Openfoam. I have made the mesh shown in attached picture but when I run checkMesh on it, it shows me 3 failed mesh checks. I have used mirrorMesh twice to mirror the mesh for one quarter cylinder that I had developed. The failed mesh checks are:

***Zero or negative face area detected. Minimum area: 0
<<Writing 1600 zero area faces to set zeroAreaFaces
Min volume = 9.19428e-07. Max volume = 3.5858e-05. Total volume = 1.17687. Cell volumes OK.
Mesh non-orthogonality Max: 90 average: 7.46455
***Number of non-orthogonality errors: 1600.
<<Writing 1600 non-orthogonal faces to set nonOrthoFaces
Face pyramids OK.
***Max skewness = 63.6787, 720 highly skew faces detected which may impair the quality of the results
<<Writing 720 skew faces to set skewFaces
Coupled point location match (average 0) OK.

Failed 3 mesh checks.

I have not used type wedge in the quarter cylinder mesh since I mirrored it later. There are 0 default faces formed. Please help!
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File Type: jpg mesh cylinder.JPG (79.9 KB, 4 views)
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axisymmetric mesh, axisymmetric wedge, blockmesh cylinder

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