[Gmsh] holes intersect boundary

Nico Schlömer nico.schloemer at gmail.com
Fri Sep 7 13:34:51 CEST 2012


> I've had success using FreeCAD or BRL-CAD with Gmsh, though there are
> other packages out there that I haven't tried that might be as good or
> better.  As D. C. said, anything you can export STEP from is good, but
> even anything that can only export STL is usable: just export one STL
> file per Physical Surface and define the contained volume in Gmsh.

I wasn't aware of FreeCAD/the fact that I could import those files
into Gmsh. Thanks for the hint!

Cheers,
Nico


On Thu, Sep 6, 2012 at 3:57 PM, Geordie McBain <gdmcbain at freeshell.org> wrote:
> 2012/9/6 Nico Schlömer <nico.schloemer at gmail.com>:
>> Maybe this didn't come through quite right: I'm not interested in the
>> intersection surface at all; all I want to do is carve cavities out of an
>> existing block of "material". Suppose I have a cube with edge length 10
>> centered around the origin, and I want to carve out two ball cavities with
>> each radius 1.5 centered at (1,0,0) and (-1,0,0), respectively, then gmsh
>> would already bail out.
>
> No, I'm afraid the previous comments still apply.
>
>> And by the way, what would you say is a good "solid modeler"?
>
> I've had success using FreeCAD or BRL-CAD with Gmsh, though there are
> other packages out there that I haven't tried that might be as good or
> better.  As D. C. said, anything you can export STEP from is good, but
> even anything that can only export STL is usable: just export one STL
> file per Physical Surface and define the contained volume in Gmsh.




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