[Gmsh] meshing higher order elements on compound surfaces fail

[Christophe Geuzaine]

> On 06 Dec 2015, at 19:54, postanmichel at yahoo.com wrote:
> 
> Dear Gmsh developers and users,
> I found out that my issue below is already an accepted defect (#244): 
> Compound surface and high order mesh segmentation fault.
> 
> I think that the compound feature is a great tool to get high quality meshes and would appreciate if it could be used for second order elements!
> 
> Is there any information about it? Any work-around available to use compound surfaces in combination with second order tets?
> 

Hi Michael - it's high on our TODO list: we are actively working on a rewrite (simplification) of the "compound" code, which should enable this and more.

CC: Pierre-Alexandre

Christophe


> Thank you and kind regards
> Michael
> 
> 
> -------- Weitergeleitete Nachricht --------
> Betreff:	meshing higher order elements on compound surfaces fail
> Datum:	Wed, 4 Nov 2015 21:46:27 +0100
> Von:	postanmichel at yahoo.com
> An:	Gmsh mai. lis. <gmsh at geuz.org>
> 
> Hello,
> I am not able to to mesh compound surfaces with higher order elements. 
> My current model crashes as soon as the first compound surface is 
> meshed. Terminal output: "Info    : Meshing surface 10002 order 2"
> On Windows 7 an error window occurs saying gmsh.exe has stopped working.
> 
> So I thought it is most likely my imported CAD model. But I run into the 
> very same crash with the tutorial file (t12.geo).
> Running "gmsh -2 -order 2 t12.geo" results in a crash at the compound 
> surface. Terminal output:
> "Info    : Meshing surface 200 order 2"
> Again on Windows 7 an error window occurs saying gmsh.exe has stopped 
> working.
> Debian 8 says  "segmentation fault".
> 
> I tested on Windows and Debian with the binaries with current stable 
> release (Gmsh version 2.10.1).
> 
> Can anybody help on that matter?
> 
> Thank you very much in advance!
> 
> Best regards
> Michael
> 
> 
> 
> 
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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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