[Gmsh] Gmesh Question

Ruth V. Sabariego r.sabariego at ulg.ac.be
Thu Apr 19 15:06:58 CEST 2007

I understand that your starting point is a 3D surface mesh.
The only way I see to get a volume mesh with the same surface would be 
to play a bit with the characteristic lengths, i.e. the fourth number in 
the definition of the points.
I don't think there is an automatic way that allows to force that in gmsh.
Maybe someone in the community has a better suggestion!


Ruy Fernán Ruiz Mojica wrote:
> My Name is Ruy Fernán Ruiz, from Universidad Politecnica de Valencia 
> in Spain and I am now working with your excellent software "Gmesh".
> I have my own 2D surface mesh generator and I would like to use the 
> mesh generated by it as the input data for the 3D mesh generation with 
> your software.
> I send the geometry to GMesh  and would like that it 
> returns a volumetric mesh with no changes in my original surface mesh. 
> How can I avoid that Gmesh change the contour elements (triangles) of 
> my original mesh.
> I'm sending the file in a command line:
> gmsh.exe -3  fname
> and the file is attached (the surfaces that define the volume are in 
> fact the triangular elements of the contour).
> Does the Gmesh have an option to perform this action? (3D mesh without 
> changing the original surface).
> Thank you for your time,
> Ruy Fernan Ruiz Mojica
> Ingeniero de Sistemas
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Dr. Ir. Ruth V. Sabariego
University of Liege
Dept. of Electrical Engineering (ELAP), Institut Montefiore
Sart Tilman Campus, Grande Traverse, 10 (B28), B-4000 LIEGE, Belgium
phone: +32-4-3663737 -- fax: +32-4-3662910 -- http://elap.montefiore.ulg.ac.be/

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