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[Netgen] Netgen mesh of a geometry with a cut fails

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Old   November 28, 2013, 09:46
Default Netgen mesh of a geometry with a cut fails
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kontras
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I am trying to generate a 2D mesh (triangles) of a rather simple geometry with Netgen but the final mesh is problematic.

The geometry comprises a cube with a cylindrical cut from one side-face to the opposite. (I am attaching the iges input file for anyone who wants to take a look).
Netgen takes too long to generate the mesh only to result to an unreasonably extreme fine mesh.

I tried also to mesh the combination of the two shapes (cube+cylinder) without creating the cut, but then Netgen generates double time the mesh of the two common surfaces.
Any suggestions?
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