[Gmsh] Step Import Non Conformal Mesh

David Colignon david.colignon at ulg.ac.be
Mon Aug 14 08:27:32 CEST 2017


If your volumes are somehow overlapping and give a nonconformal mesh, then you need to heal the geometry and you will probably have to 
reconstruct the volumes. But Gmsh version 3 gives you more powerful tools to edit the geometry, see 



David Colignon, Ph.D.
1er Logisticien de Recherche
Université de Liège
ACE - Applied & Computational Electromagnetics
Quartier POLYTECH 1 - Montefiore B28
Allée de la découverte 10
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32

On 13/08/17 18:24, faber.mueller at t-online.de wrote:
> Good evening,
> First of all I want to thank Dr. Colignon and Prof. Geuzaine for their answers to my question 
> http://onelab.info/pipermail/gmsh/2017/011502.html  . Now I have another problem. After I imported the geometry, which contains out of several 
> solids, and assigned physical volumes, surfaces and characteristic length  the mesh is nonconformal. When I activated sew faces before 
> importing, I have no Volumes in the statistic, so I cant assign physical Volumes. Unfortunately I'm not allowed to upload the step file here.
> I have used the search function and some years ago there was a discussion with Dr. Zenker in 2013 :
> http://onelab.info/pipermail/gmsh/2013/007880.html  . He used a workaround with netgen. I couldn't try it because our IT Department denied my 
> query to install it on my laptop.
> Is there a solution within the new gmsh version 3 to heal the geometry and to keep the volumes ?
> Thanks for your time and support
> Fabian
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