Hi, I would like to generate a regular mesh of a cube composed only by tetrahedra.
When I use *Transfinite Volume* (see attached file .geo) I end up with a tetrahedral mesh, but the physical entities that define the outer surfaces are applied in triangles that are incompatible with the tetrahedra (see attached file .png). With Recombine, I can create a hexahedral mesh but, according to http://onelab.info/pipermail/gmsh/2011/006408.html, there is no easy way to convert it into a tetrahedral mesh . Finally, the method TransQuadTri generates not only tetrahedra but also pyramids and prisms.
at2.geo
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