[Gmsh] Boundary of Compound Surface

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Jan 28 20:19:59 CET 2015

> On 26 Jan 2015, at 21:56, David Bernstein <David.Bernstein at meliorinnovations.com> wrote:
> Hello Gmsh users, Does anyone know what the “Boundary” part of the Compound Surface command does?
> Compound Surface ( expression ) = { expression-list } < Boundary { { expression-list }, { expression-list }, { expression-list }, { expression-list } } > ;
> The problem I’m looking at is where two compound surfaces meet along a line (e.g. two cubes that share a single edge).  When Gmsh remeshes the surfaces it disconnects them along the shared line.  I’m wondering if the “Boundary” part of the command would address this.

Hi Dave - the meshes should not be disconnected: could you send a small example?

> Thanks,
> Dave
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

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