[lr103476]

Hi everybody,

Here at my university people are also working with Hexpress (by Numeca int.), which also generates unstructured hexa(poly)hedral meshes. Mesh density is regulated by the creation of refinement block. So at those block-interfaces cells are doubled or halved in size.

When I convert such a mesh to Fluent everything is OK, I can fully use the mesh in Fluent for computations and stuff.

Two problems occur:

1) I cannot convert this Fluent mesh to OpenFOAM, a segmentation fault after 'Creating shapes for 3-D cells'.

2) Via starCD format I am able to convert this mesh to OpenFOAM, but strange things occur at the interfaces of the refinement block -> At the 'hanging nodes' tetrahedral cells are generated, which is strange.

The unstructured (hexpress) mesh and close up looks like this:
http://www.aero.lr.tudelft.nl/~frank.../test_full.png
http://www.aero.lr.tudelft.nl/~frank/images/test.png

The conversion (via starToFoam) looks like:
http://www.aero.lr.tudelft.nl/~frank/images/test_OF.png


Any ideas?

Frank