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Increment of nonOrthoFaces after "renumberMesh -overwrite" Code"

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Old   July 13, 2022, 14:54
Exclamation Increment of nonOrthoFaces after "renumberMesh -overwrite" Code"
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I am trying to simulate high-speed flow on compressor blade(compressible case), i made the mesh using Ansys ICEM and coverted in to openFOAM readable format.

when i do "checkMesh" i get 1 nonOrthoFace on the blade (Picture 1) ,then after i run "renumberMesh -overwrite" i get 9442 nonOrthoFaces (Picture 2).

(i chose y+ as 5 because when i use y+ as 1 nonOrthoFaces are way too high on the blade)

Regarding this issues,

1) What is actually renumberMesh do

2) Will my results get affected if run the simulation without "renumberMesh -overwrite"

Really really thankful for anyone can explain
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File Type: jpg Picture 2.jpg (97.4 KB, 4 views)
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2d mesh, checkmesh, nonorthofaces, pre processing

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