[Gmsh] Two overlapping spheres

Zenker, Dr. Matthias Matthias.Zenker at erbe-med.com
Fri Apr 5 12:46:58 CEST 2013


Sounds promising. Do you have an approximate idea when a beta will be available for testing...? ;)

> -----Ursprüngliche Nachricht-----
> Von: Christophe Geuzaine [mailto:cgeuzaine at ulg.ac.be]
> Gesendet: Freitag, 5. April 2013 12:33
> An: Zenker, Dr. Matthias
> Cc: gmsh at geuz.org list
> Betreff: Re: [Gmsh] Two overlapping spheres
>
>
> On 05 Apr 2013, at 12:21, "Zenker, Dr. Matthias" <Matthias.Zenker at erbe-
> med.com> wrote:
>
> > Hi Christophe,
> >
> > since you are working on "real" CAD routines: Do you also plan to
> implement a possibility to detect and merge duplicated surfaces (including
> partial overlaps) on CAD level? The "cut and merge faces" does not work in
> quite some cases...
> >
>
> Indeed. The current idea for the OpenCASCADE port is to rewrite the model
> factory using the Salome/FreeCAD routines.
>
>
> > Matthias
> >
> >
> >> -----Ursprüngliche Nachricht-----
> >> Von: Christophe Geuzaine [mailto:cgeuzaine at ulg.ac.be]
> >> Gesendet: Donnerstag, 4. April 2013 13:15
> >> An: Songting Luo
> >> Cc: gmsh at geuz.org
> >> Betreff: Re: [Gmsh] Two overlapping spheres
> >>
> >>
> >> On 27 Mar 2013, at 00:40, Songting Luo <luosongting at gmail.com> wrote:
> >>
> >>> Dear All,
> >>>
> >>> I want to generate a 3D mesh for two overlapping spheres.  How can I
> >>> combine these two spheres as one single object (as a union), and
> >>> generate
> >> the mesh?  Please let me know, thank you very much.
> >>>
> >>
> >> Gmsh's internal small CAS engine does not compute boolean operations;
> >> you'll need to either create the geometry directly (computing the
> >> intersections yourself), or use a CAD modeler (e.g. Freecad) to
> >> create the geometry and export e.g. in STEP.
> >>
> >> We are working toward integrating "real" CAD creation routines in
> >> Gmsh, but it's not ready yet for general use.
> >>
> >>>
> >>> best,
> >>>
> >>> Luo
> >>> _______________________________________________
> >>> gmsh mailing list
> >>> gmsh at geuz.org
> >>> http://www.geuz.org/mailman/listinfo/gmsh
> >>
> >> --
> >> Prof. Christophe Geuzaine
> >> University of Liege, Electrical Engineering and Computer Science
> >> http://www.montefiore.ulg.ac.be/~geuzaine
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> __________________________________________________________
> ___________
> > ERBE Elektromedizin GmbH
> > Firmensitz: 72072 Tuebingen
> > Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede
> > Registergericht: Stuttgart HRB 380137
> >
>
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
>



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ERBE Elektromedizin GmbH
Firmensitz: 72072 Tuebingen
Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede
Registergericht: Stuttgart HRB 380137