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Remarks Concerning Duns and Isaac

If you intent to create a 2D-mesh for the cfd-code duns or isaac you have to watch that all surfaces are created in the same order. That means, that all surfaces must be defined clockwise or counter-clockwise. For isaac they have to be counter-clockwise if you look in z direction. The block-structure can be detected only in this case. You can check the mesh by simply mesh it with shell-elements and display it illuminated. All elements must be either dark or lighted. See also ``Program Parameters'', ``mesh'', ``send'' with option ``nam''.