[Gmsh] Very thin elements on surface (slivers)

[Christophe Geuzaine]

Alexander - Can you add "Mesh.Optimize=1;" and/or "Mesh.OptimizeNetgen=1;" in your gmsh.geo file and let us know how that plays out?

Christophe


> On 28 Oct 2015, at 22:01, Alexander Tismer <alexander.tismer at ihs.uni-stuttgart.de> wrote:
> 
> Hello,
> 
> I try to mesh a volume from an existing STL file. I always end with very thin elements located at the blade surface in the volume. After spending some hours on the gmsh and tetgen manual I spotted that these elements are probably slivers.
> 
> How can I prevent the creation of such elements?
> 
> Please find attached the GEO file with its STL file and two example pictures showing the badly shaped slivers.
> 
> Many thanks
> Alex
> 
> -- 
> Alexander Tismer
> 
> Institut für Strömungsmechanik
> und Hydraulische Strömungsmaschinen
> Universität Stuttgart
> Pfaffenwaldring 10
> 70550 Stuttgart
> 
> Tel.:   +49 (0) 711 / 685 63007
> Fax:    +49 (0) 711 / 685 63255
> eMail: alexander.tismer at ihs.uni-stuttgart.de
> http://www.ihs.uni-stuttgart.de
> <gmsh.geo><sliver_0.png><sliver_1.png><transferToTetgen0.stl>_______________________________________________
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine

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