[Gmsh] Connecting structured to unstructured meshed volumes in 3D

[Christophe Geuzaine]

> On 3 Mar 2020, at 13:45, Octavio Castillo Reyes <ocastilloreyes at gmail.com> wrote:
> 
> Dear gmsh developers, 
> 
> I would like to know if it is possible build a tetrahedral mesh with following features: 
> 
> - structured tetrahedral  elements on boundaries
> - unstructured tetrahedral elements inside the domain
> 
> Could you give some tips/ideas to build this kind of mesh (if possible).
> 

I will be done automatically (with a pyramid layer to connect both). Here's an example:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/master/benchmarks/extrude/hybrid_pyramids.geo

Christophe



> Best regards
> 
> O.
> 
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine