[Gmsh] transfinite volume error

Christophe Geuzaine cgeuzaine at ulg.ac.be
Sun Dec 28 16:24:17 CET 2008


Fabian wrote:
> Hi Christophe,
> 
> Christophe Geuzaine wrote:
>> Fabian wrote:
>>   
>>> Hi,
>>>
>>> I am getting  an error message for a simple room geometry:
>>>
>>> Info    : Meshing volume 106 (transfinite)
>>> Error   : Incompatible surface 58 in transfinite volume 106
>>> Error   : Cannot tetrahedralize volume with quadrangles on boundary
>>> Info    : Mesh 3D complete (0.004001 s)
>>> Info    : 4063 vertices 4819 elements
>>>
>>> Unfortunately I have not idea, what I am doing wrong using 
>>> 2.2.7-cvs-20081201!? I attached the geo file.
>>> Would be nice, if anyone has a suggestion, what I am doing wrong!?
>>>     
>> Hi Fabian - You didn't do anything wrong: we forgot to update the
>> transfinite volume meshing algorithm to take into account the fact that
>> we now allow "implicit" transfinite surfaces (when you don't specify the
>> corners by hand). This should be fixed in the next nightly build.
>>   
> Are there any plans to use such an "implicit" approach for transfinite 
> volumes as well?

I've just added it: give it a try with tomorrow's snapshot.


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
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