[Gmsh] Coincident nodes

[Christophe Geuzaine]

On 30 Sep 2014, at 10:58, sebastian.eiser at k-ai.at wrote:

> 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.
> 

Another possibility is to create a mesh without duplicated nodes ; and then run Plugin(Crack) on the resulting mesh to create the coincident nodes explicitly.




> -----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
> 
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh
> 
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine