[Gmsh] 3D volume as tetrahedra only

[Bartek Grychtol]

Hi Mark,

Thanks for the quick reply. That did the trick. Awesome!

Best,
Bartek

On Tue, May 1, 2012 at 10:42 AM, Mark Starnes <mark.starnes at fttech.co.uk>wrote:

> Hi Bartek,
>
> Yes:  use a Physical Group definition in your .geo
> file, like this:
>
> Physical Volume('tets') = {2};
>
> where `2' in this case would be the volume number
> assigned to your tetrahedra and 'tets' is a name I
> made up.
>
> Adding a `Physical Group' definition results in
> only the groups specified as being physical being
> exported.
>
> Search for, `Physical' in the manual:
>
> http://www.geuz.org/gmsh/doc/texinfo/gmsh.html
>
> Best regards,
>
> Mark.
>
>
> On Tue, May 01, 2012 at 09:15:31AM +0200, Bartek Grychtol wrote:
> > Hi,
> >
> > I'm new to gmsh, just seeing if it can do what I need.
> > I have a surface mesh in an stl file. I need to create a nice
> > tetrahedral volume mesh,
> > but without changing anything on the surface.
> > The sphere demo does exactly that.
> > However, the generated .msh file contains both triangles (for the
> > surface) and
> > tetrahedra (for the volume inside).
> > Is there a way (a command or file format) to have the complete mesh
> > represented as tetrahedra only?
> >
> > Best wishes,
> >
> > Bartek
> >
> > _______________________________________________
> > gmsh mailing list
> > gmsh at geuz.org
> > http://www.geuz.org/mailman/listinfo/gmsh
>
> --
> Dr. Mark Starnes
> Principal Physicist
> FT Technologies
> Church Lane
> Teddington
> TW11 8PA
>
> web:  www.fttech.co.uk
> DDI:  0208 614 2730
>
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