[Gmsh] How can I make coincidental mesh for subdivided surfaces

[Christophe Geuzaine]

> On 13 Feb 2019, at 08:49, Dokeun Hwang <dokeun98 at gmail.com> wrote:
> 
> Dear all
> I’d like to mesh on 3 curved and neighboring surfaces.
> A curve of the one surface has 2 overlapped curves  which are belonging to the other 2 surfaces.

You should not have overlapping curves. Either divide them by hand ; or use e.g. BooleanFragments with the OpenCASCADE kernel.

> when I meshed them, there boundaries do not have the same 1D mesh points even though I set the number of 1D mesh for them. For example, 2 curves have 10 points for each and the overlapped curve has 2*10-1 points. I guess there should be a simple solution but I couldn’t find it. 
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine