[Gmsh] Possible regression with anisotropic meshing

Christophe Geuzaine cgeuzaine at ulg.ac.be
Fri Feb 6 13:09:24 CET 2015


Hi Gregory - Indeed, it's a regression. It should be fixed in r20388; can you give tomorrow's nightly build a try and let us know?

Thanks for the feedback!

> On 05 Feb 2015, at 08:59, Grégory LEGRAIN <gregory.legrain at ec-nantes.fr> wrote:
> 
> Dear gmsh developers,
> I am playing with background fields and anisotropic meshing, and I experienced a strange behaviour when using the svn version of gmsh.
> 
> I write my metric as a .pos file. For example, m(0,0) = 1/(0.02^2), m(1,1) = 1/(0.2^2), m(2,2) = 1. (irrelevant here).
> Then, I launch meshing through the following command :
> gmsh -2 adapt.geo -algo bamg -bgm METRIC.pos
> 
> If I use gmsh version 2.8.3 and 2.8.4, I get the expected result (cf ok.png), but not since version 2.8.5 and also with the current svn version (cf ko.png)
> 
> Did something changed in the way the background mesh is handled, or is it a regression ?
> 
> In addition, I get a bunch of "Info    : No scalar element found containing point" even when it is working: is it normal ?
> 
> Best regards,
> Gregory
> 
> 
> -- 
> -------------------------------
> Grégory LEGRAIN
> Maître de Conférences - Assistant Professor
> Responsable de l'option Modélisation et Simulation Mécanique (MSM)
> GeM Institut de Recherche en Génie Civil et Mécanique - UMR CNRS 6183
> Equipe structure et simulation
> 
> Ecole Centrale de Nantes
> 1 Rue de la Noe, 44321 Nantes, France
> Email : gregory.legrain at ec-nantes.fr
> Tel : 02.40.37.16.41.
> Fax : 02.40.37.25.73.
> 
> <ko.png><ok.png><METRIC.pos><adapt.geo>_______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh

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







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