[Gmsh] Possibility to merge matching meshes

Christophe Geuzaine cgeuzaine at ulg.ac.be
Thu Feb 23 09:47:00 CET 2017

> On 22 Feb 2017, at 18:18, vincent doyeux <vdoyeux at gmail.com> wrote:
> Hi,
> I was wondering if it is possible to merge together several msh files having exactly matching surfaces.
> It would be a kind of "Coherence" command but on the mesh, not the geometry.
> I know it would require a complete renumbering since vertices should be deleted.
> I was wondering if such an algorithm was already implemented in gmsh.

Yes: "Coherence Mesh;"

Be careful that the input numbering should not clash.

> Thanks,
> Vincent
> Post-Doctorant à l'Institut de Mécanique des Fluides de Toulouse
> 2 Allée du Professeur Camille Soula 31400 TOULOUSE
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

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