[Gmsh] pre-defined nodes on 1 or 2 surfaces
Christophe Geuzaine
christophe.geuzaine at case.edu
Wed Jun 21 08:41:33 CEST 2006
Pei-Ying Hsieh wrote:
>
> Dear GMSH experts:
>
> I am still learning gmsh, so, here is another stupid question. (Maybe
> gmsh mailing group should set a quota for number of stupid question per
> day?)
>
> If I have a volume with 2 sides (surfaces), is it possible to read in a
> set of nodes on 1 (or 2) surfaces. Triagles will be generated on this 1
> surface (or these 2 surfaces), then, mesh the volume with all TETs. In
> othere words, this surface(s) has been meshed externally first.
>
You cannot do it directly with the nodes, but you can do it if you
already have triangulations of the surfaces. Then you can just read
these triangulations from a .msh file, and define a geometry that uses
their associated elementary entity tags to build a volume. There is an
example in "demos/sphere-discrete.geo".
> Pei
>
> /
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--
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine