[Gmsh] Crash at mesh3d for layred structure

Christophe Geuzaine cgeuzaine at ulg.ac.be
Fri Jul 12 18:45:30 CEST 2013


On 12 Jul 2013, at 14:25, "Zenker, Dr. Matthias" <Matthias.Zenker at erbe-med.com> wrote:

> Hi,
>  
> next attempt in my quest for meshing a layered structure. The goal is to have a refined mesh at one of the edges. This time I use a combination of an Attractor and a Threshold field, as suggested in demos/fields.geo in the gmsh distribution. I am still under gmsh 2.8.0 64bit, Windows 7.
>  
> I have attached 2 examples. layers.geo has two layers and works (even though it takes a loong time). layers2.geo does the 2D mesh, but crashes when the 3D meshing is launched.
>  
> Any suggestions/workarounds/bugfixes permitting to get a 3D mesh in this structure (layers2.geo) which is refined around the lower edge of the topmost layer are welcome…
> (And yes, I need 3 volumes since I want to assign different properties to the layers in a simulation.)

As said before and confirmed by Jean-François, the MMG3D interface is not ready for volumes with internal boundaries...



>  
> Thank you, and have a nice weekend!
>  
> Matthias
>  
>  
> 
> 
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> 
> <layers.geo><layers2.geo>

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine