[Gmsh] unexpected behavior in Surface creation

[Christophe Geuzaine]

On 05 Feb 2013, at 17:06, Manav Bhatia <bhatiamanav at gmail.com> wrote:

> Hi, 
> 
>    I am attempting to create a simple airfoil model with specified surface point locations. The script is attached. 
> 
>    The script first creates the airfoil surface as a spline, and then the outer analysis boundary. Then, the surface is specified using the outer line loop followed by the inner line loop to designate the hole. 
> 
>     The problem is that this is not creating a consistent planar surface, which leads to failure of the meshing procedure. 
> 
>     It is likely that I am making inappropriate use of one of the functions, but I am unable to figure that out. I would appreciate if someone could point it out for me.
> 

Hi Manav - You should remove the duplicate point at the trailing edge, e.g. by adding "Coherence;" after the Spline creation: see the attached file.

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