On 11 Jun 2013, at 14:15, Kópházi József <[email protected]> wrote:
> Dear list members, > > I'm trying to produce a 3D mesh consisting two regions: a region with > unstructured tetrahedral mesh and an attached region with structured > hexahedral mesh. Obviously, the unstrucutred part needs to include some > pyramid elements to facilitate the connection. By using google I realized > that the stable release doesn't support this, but according to Christophe > Geuzaine answer for an earlier question > (https://groups.google.com/forum/?fromgroups#!topic/gmsh-public/mUYykAaFGp4) > that the svn version contains an experimental support for this. However, > using this, I receive the following error message for every face elements > interconnecting the two domains: > > Error : Cannot build pyramids on non manifold faces > > In order to trace up the problem, I decided to build an extremely simplified > model containing two boxes (attached file), but this yields the same error > messages and I can not find the error in the geometry. > On non-manifold faces currently your only option is to create the pyramids "inside" the structured mesh, using Trevor's QuadTri feature. Here's an example:
example_pyramid.geo
Description: Binary data
> What am I doing wrong? > > Thank you for your help in advance, > > Jozsef > > > > <twoboxmixed3d.geo>_______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine
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