> On 23 Apr 2015, at 17:40, benjamin kary <[email protected]> wrote:
>
> I'd like to combine gmsh's physical entity marking and metis implementation
> to produce partitioned unstructured finite element meshes all set up to be
> imported by fenics for a Domain Decomposition project I am working on.
>
> I have been fighting with this for a couple days now, and it seems that all
> that is lacking is to get the ragged edge created by the paritioning marked
> as a series of elements of type 1 (edges) with distinct physical entity
> number. Ie, the .msh files should contain element entries that look like the
> following:
>
> 1 1 4 1 3 1 1 2 3
> 2 1 4 1 4 1 1 3 4
>
> For two edges in partition 1 of a 2D triangular mesh.
>
> Is there any way to accomplish this? I have thought of one approach as I
> write this - maybe use the element location to add points to a new geo file,
> extrude the points, and mark them. I don't have a way to get at just the
> vertices lying on the ragged partition edge though…
>
Set
Geometry.OrientedPhysicals = 0;
and then simply define
Physical Line(“partition line”) = {-1};
to get the first partition line.
> Please Help!
>
> Regards,
>
> Ben
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--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
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