[Gmsh] Segmentation fault when writing 2D order 2 mesh
Karin&NiKo
niko.karin at gmail.com
Sun Mar 13 21:08:00 CET 2011
Sorry Christophe. You are right. The complete second elements are produced
in *Aster* from incomplete ones. When writing result files, we turn the
quad9 into quad8.
Another information : a brand new verson 3.0 with more features will be
released in the next months.
Good night,
Nicolas
2011/3/13 Christophe Geuzaine <cgeuzaine at ulg.ac.be>
> On 11/03/11 13:08, Karin&NiKo wrote:
>
>> Yes they are.
>> BTW, using incomplete second order elements is OK.
>>
>>
> Hmm... In the version of MED we have here (MED 2.3.4) this is what's
> defined in med.h:
>
> typedef enum {MED_POINT1=1, MED_SEG2=102, MED_SEG3=103, MED_TRIA3=203,
> MED_QUAD4=204, MED_TRIA6=206,MED_QUAD8=208,MED_TETRA4=304,
> MED_PYRA5=305, MED_PENTA6=306, MED_HEXA8=308, MED_TETRA10=310,
> MED_PYRA13=313, MED_PENTA15=315, MED_HEXA20=320,
> MED_POLYGONE=400, MED_POLYEDRE=500, MED_NONE=0}
> med_geometrie_element;
>
> Should we switch to a newer version?
>
>
> Nicolas
>>
>> 2011/3/11 Christophe Geuzaine <cgeuzaine at ulg.ac.be
>> <mailto:cgeuzaine at ulg.ac.be>>
>>
>> On 11/03/11 09:47, Karin&NiKo wrote:
>>
>> Dear Gmsh-ers,
>>
>> I would like to report a bug that appears with gmsh 2.5.0 and
>> also in
>> the nightly build.
>> When trying to write the mesh generated by the attached script, a
>> segmentation fault occurs :
>>
>> /opt/gmsh-2.5.1-svn-Linux/bin/gmsh -2 -format med -o carre-Q2.mmed
>> carre.geo
>>
>> Please notice that :
>> - no problem occurs when using a first order mesh
>> - the unv format for the 2nd order mesh can be written but, when
>> read
>> back in gmsh, the mesh is wrong
>>
>>
>> Hi Nico - Indeed, it looks like 9-node quads I/O is not implemented
>> for MED (nor UNV). I don't remember why I did not implement this...
>> Are 9-node quads supported by MED?
>>
>>
>> Nicolas
>>
>>
>>
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>>
>>
>> --
>> Prof. Christophe Geuzaine
>> University of Liege, Electrical Engineering and Computer Science
>> http://www.montefiore.ulg.ac.be/~geuzaine
>> <http://www.montefiore.ulg.ac.be/%7Egeuzaine>
>>
>>
>>
>
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
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