[Gmsh] Surface mesh contains ugly elements

Jean-François Remacle jean-francois.remacle at uclouvain.be
Wed Oct 30 13:51:09 CET 2013


I cannot reproduce the problem with transfinite meshes.

with the unstructured algo, I see the same issue…

JF
Le 30 oct. 2013 à 12:14, Martin Vymazal <martin.vymazal at vki.ac.be> a écrit :

> Hello,
> 
> I'm trying to generate a surface mesh of a bump given by a sine function. I 
> tried 
> 1) to take the contour of the bump (defined by a spline) and extrude it
> 2) generate two contours (front and back), then create a line loop and a 
> surface
> 
> In both cases, I have a bad mesh at the beginning and at the end of the bump. 
> I'd prefer to have a fully unstructured mesh, but transfinite will do as well. 
> Unfortunately neither of them works (see attached pictures).
> 
> Does anyone have an idea how to fix it?
> 
> Thank you.
> 
>  Martin Vymazal
> <bump_ruled_surface.png><bump_transfinite_surface.png>_______________________________________________
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> gmsh at geuz.org
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Prof. Jean-Francois Remacle
Universite catholique de Louvain (UCL)
Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
Institute of Mechanics, Materials and Civil Engineering (iMMC)
Center for Systems Engineering and Applied Mechanics (CESAME)
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