[Gmsh] Controlling curvature factor with Mesh.CharacteristicLengthFromCurvature

[Christophe Geuzaine]

Neilen Marais wrote:
> Hi,
> 
> I'm trying to create a mesh that will in use the characteristic size 
> specified by nodes away from curved surfaces but will conform well to 
> curved details.
> 
> I tried
> 
> Mesh.CharacteristicLengthFromCurvature = 1;

Try changing Mesh.MinimumCirclePoints


> 
> which seems to do just that, except that the curvatur factor seems way 
> too large. I seem to get 100s of triangles per curvature radius, whereas 
> I'd want only about 8 or so. I tried changing the value of 
> Mesh.CharacteristicLengthFromCurvature  away from 1, but that does not 
> seem to make any difference (except for disabling curvature meshing if 
> the value is < 1).
> 
> 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
> Neilen
> 
> 
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> 


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