[Gmsh] bug in isotropic mesh generator

[remacle]

Paardenkooper, Timo wrote:

> Dear Christophe Geuzaine,
>
>  
>
> I have encountered a bug in the isotropic mesh generator. With the geo 
> file attached, you can see the symptom yourself.
>
> The 2 D mesh generates elements outside the geometry contour in case 
> of a small radius.
>
>  
>
> Use isotropic algorithm, then mesh>1d>2d, then zoom in at the smallest 
> radius (0,1).
>
>  
>
> Kind regards,
>
In Options->Mesh->General, change the perturbation factor to 0.00001


JFR

>  
>
> T.Paardenkooper
>
>
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-- 
Prof. Jean-François Remacle
Department of Civil Engineering
Center for Systems Engineering and Applied Mechanics
Université catholique de Louvain, Belgium
Tel : +32 10 472082
Fax : +32 10 472210