[Gmsh] import CAD geom with multiple volumes

[Christophe Geuzaine]

Pei-Ying Hsieh wrote:
> 
> Dear GMESH experts:
> 
> I really enjoy using gmsh.  It is very useful to me so far for CFD 
> projects.
> 
> Now, I am starting a new Transient Heat Transfer project.  This is an 
> enclosure with several mechaincal components inside the enclosure.  The 
> complex geometry was generated using SolidWorks (this CAD file is an 
> assembly, not a single part).  SolidWorks can export to stl format. 
>  When I saved the assembly to stl format and imported into gmsh, it 
> looks like gmsh cannot distinguish all the different volumes.  Is there 
> a way to handle complex geometry like this in gmsh?  Thanks!
> 

In the current version you need to export to .msh format (and tag your 
elements with different region numbers). The next major release will fix 
that problem.



> Best Regards,
> 
> Pei-Ying
> 
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-- 
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine