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fluent hex to tet interface

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Old   September 21, 2022, 08:06
Default fluent hex to tet interface
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hello everyone,

I am using Fluent Meshing to generate a hexcore mesh with tet transition to prism layers from a tri surface mesh. The transition from hex to tet is done by splitting each quad face into 2 tris.

After i import the mesh back into ICEM, i fix the uncovered faces which creates a part containing all quad & tri elements at the transition. I then separate those elements into 2 parts (UNCOV-QUAD & UNCOV-TRI). Both parts share their nodes and the tri part has the twice the amount of faces as the quad part.

When i load the mesh into fluent, both parts get defined as wall. I would like both to be interior. My first idea was to define both as interface. But i am unsure if this is the most efficient and accurate way of doing this.

Would a transition with pyramids be better?
In an earlier version of fluent, back when "/mesh" was called "/grid", there was a function called "/grid/make-hanging-interface", which would do exactly what i want. Does anyone know the equivalent in fluent 18.2?

thanks for your help in advance
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fluent, hanging nodes, hexahedral mesh, pyramids mesh, tetrahedral mesh

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