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:

Attachment: 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



_______________________________________________
gmsh mailing list
[email protected]
http://www.geuz.org/mailman/listinfo/gmsh

Reply via email to