Hello,

I try to generate an unstructured volume mesh. The region is bounded by some faces that are meshed with triangles and some that are meshed with quadrangles (transfinite). I do that in the API by setting

> myModel->getFaceByTag(1)->meshAttributes.method = MESH_TRANSFINITE;
> myModel->getFaceByTag(1)->meshAttributes.recombine = 1;

for the transfinite faces. Face meshing works well, but volume meshing fails with

> Found two segments intersect each other.

I figured out that there are several meshAttributes.QuadTri options in gmshDefines.h

> NO_QUADTRI
> QUADTRI_ADDVERTS_1
> QUADTRI_ADDVERTS_1_RECOMB
> QUADTRI_NOVERTS_1
> QUADTRI_NOVERTS_1_RECOMB
> TRANSFINITE_QUADTRI_1

What is the correct option for QuadTri in my case?

Is it necessary to set additional options to my transfinite faces or unstructured faces?

Best regards

Alex



--
Alexander Tismer

Institut für Strömungsmechanik
und Hydraulische Strömungsmaschinen
Universität Stuttgart
Pfaffenwaldring 10
70550 Stuttgart

Tel.:   +49 (0) 711 / 685 63007
Fax:    +49 (0) 711 / 685 63255
eMail: [email protected]
http://www.ihs.uni-stuttgart.de


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