[Gmsh] meshing multiple objects
Christophe Geuzaine
cgeuzaine at ulg.ac.be
Wed Nov 12 19:59:51 CET 2008
Felix Wolfheimer wrote:
> Hi Gmsh Experts,
>
>
>
> I would like to create a tetrahedral mesh from iges or step models. The
> models contain parts which touch each other (result of Boolean
> operations). However, when I read the model with gmsh the interface
> region where the solids touch is meshed twice (once for the first object
> and once for the second). Additionally, the tetrahedrons at the
> interface overlap arbitrarily. Is there any way to read a CAD model and
> mesh it with gmsh such that the surface of the interface region of the
> two solids is meshed only once?
>
You have to make sure that the solid modeler creates the correct
geometry for the intersecting objects (intersection curves, etc.)
Can you send the step file?
>
>
> Best regards
>
>
>
> Felix
>
>
>
> PS: The screenshot enclosed to this mail may show you the result I get
> when I try to mesh two cylinders, where the first cylinder was trimmed
> by the second one.
>
>
>
>
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>
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--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine