[Gmsh] Coincident nodes

[sebastian.eiser at k-ai.at]

Yes, just try it. 
Just construct two surfaces (each with its own set of lines). If the coincident lines have the same meshing parameters, the nodes will coincide. 

Also, set the option:
Geometry.AutoCoherence = 0;

And not call `Coherence;` or `Coherence Mesh;` in your geo script . See the manual for more information on these commands.

-----Original Message-----
From: gmsh [mailto:gmsh-bounces at ace20.montefiore.ulg.ac.be] On Behalf Of Daniel Juncu
Sent: 22 September, 2014 18:54
To: gmsh at geuz.org
Subject: [Gmsh] Coincident nodes

Dear Gmsh developers and users,
I am trying to model the opening of a crack. For this, I need sets of two coincident nodes (which have to belong to different elements) which will then move away from each other during the simulation.

Is it possible to mesh coincident nodes in Gmsh?

Thank you for your help,
Daniel

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