[Gmsh] How can I mesh a CAD model and set physical surfaces automatically?

[David Colignon]

Hi,

WIP. See  http://onelab.info/pipermail/gmsh/2018/012406.html  and  https://gitlab.onelab.info/gmsh/gmsh/commits/import-more-step-info

Regards,

Dave

-- 
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
http://www.ulg.ac.be/nic4


On 18/09/18 06:27, Wesley Ranger wrote:
> Hello everyone:
> 
> I am currently working on a system which is aimed at automatically generating meshes for specific CAD models. The CAD 
> model has different boundary conditions on different surfaces, so I have to create several physical groups for the model.
> 
> The problem is, I cannot find a proper way to pass the boundary conditional information to gmsh. All the geometries in 
> gmsh are identified by numbers, which would change when the CAD model is topologically changed.
> 
> I had once developed a similar system. In that system, I paint several colors on different patches of the CAD model and 
> then read the color property of the exported  *.step file.  In gmsh, however, I didn’t found proper geo command to read 
> CAD properties (such as model color) from step files.
> 
> So, anyone please tell me any proper route to port the boundary condition information from CAD to gmsh? Thanks a lot!
> 
> Sincerely
> 
> Ran Wei
> 
> 
> 
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