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BlockMesh Error when Meshing an Airfoil

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Old   November 21, 2016, 09:29
Default BlockMesh Error when Meshing an Airfoil
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I get an error message I don't understand when meshing an airfoil. I attached an example of the airfoil and tried to show the problematic part.

So when I mesh I use one hex element for the concave area of the profil as shown with the red lines. When I run a checkMesh on that everything is fine.

However when I use more than one cell as shown with the yellow lines, I get an error saying:
"Number of edges not aligned with or perpendicular to non-empty directions"

so now I am wondering how this could be. As I said, I just changed the number of cells. Nothing else.

Thanks for your help!!

Last edited by Mahe88; November 21, 2016 at 12:36.
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