[Gmsh] structured high order meshes

Christophe Geuzaine cgeuzaine at ulg.ac.be
Tue Jul 9 14:22:49 CEST 2013


Hi Thomas - It seems that the problem was Windows-specific. Could you try again with the new Gmsh 2.8 ?


On 04 Jul 2013, at 11:19, Thomas Utz <utz at fdy.tu-darmstadt.de> wrote:

> Dear Gmsh Team,
> 
> Currently I am building a simple structured grid with curved high-order elements.
> The geometry is a simple ring. Here I had the following issue:
> 
> Generating the geometry and the definition of the mesh using the "extrude" command results in a correct grid. But when I set the grid order to 2 or higher, the calculation takes very long and I get a lot of warnings. (See log-file)
> The resulting grid is unusable. (see *.jpg)
> 
> Generating the geometry by defining every curve and using transfinite lines and surfaces, everything works fine.
> 
> Did I run into a bug, or is the first worflow not the right way to do such a grid?
> 
> 
> Best regards,
> 
> Thomas Utz
> 
> 
> <Ring_Extrude.jpg><Ring_Extrude.log><Ring_Extrude.geo><Ring_transfinite.geo>_______________________________________________
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine







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