[Gmsh] Controlling curvature factor with Mesh.CharacteristicLengthFromCurvature

Christophe Geuzaine cgeuzaine at ulg.ac.be
Mon Nov 17 21:58:56 CET 2008


Neilen Marais wrote:
> Christophe,
> 
> On Fri, 14 Nov 2008 19:24:18 +0100, Christophe Geuzaine wrote:
> 
>> Neilen Marais wrote:
> 
>> Try changing Mesh.MinimumCirclePoints
> 
> Thanks for the info. This does indeed control the curvature meshing, but 
> at the smallest value it is still much finer that I need. Setting 
> MinimumCirclePoints to fractional values less than 1 seems to disable the 
> curvature meshing. With 
> 
> Mesh.MinimumCirclePoints = 1;
> 
> about 24 edges per 90 degrees of a circle is generated, whereas I'd like 
> to be able to adjust it from say 5 edges per 90 degrees or so. Can this 
> be done?

We'll have a look. The curvature thing is still somewhat experimental 
(it sometimes fails, even on simple geometries).



> 
> 
>>> I was using gmsh 2.2.0 but just tried 2.2.5 (with tetgen) with the same
>>> result. I notice 2.2.5 doesn't have a "ligting" tab under options any
>>> more, is there any other way to enable/disable mesh lighting?
>> -> in the Color tab
> 
> Thanks! I think this is better than the old UI, I just didn't find it the 
> first time I looked :)
> 
> Regards
> Neilen
> 
> 
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> 


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