[Gmsh] Wrong definition of Ruled Surface

julien hoessler julien.hoessler06 at imperial.ac.uk
Thu Sep 2 15:30:07 CEST 2010

Hi Donato,
As said on the error message, it means that a ruled surface needs to  
be defined by only 4 lines! If your surfaces are planar, use the plane  
surface which can take more of them, otherwise you have to design your  
lines so as to form curved surfaces by sets of four lines. I guess  
that it because you use two lines to drive the first to match the last  
and represent the curvature
On 2 Sep 2010, at 09:21, donato.stante at tiscali.it wrote:

> When I create two surface of my geometry appears the message:
> Wrong definition of Ruled Surface : 2 bonders instead of 3 or 4
> Wrong definition of Ruled Surface : 12 bonders instead of 3 or 4
> what it means?
> Help me
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Julien Hoessler
PhD Student
Department of Aeronautics
Imperial College London

Phone: +44 (0) 20759 45042
Email:   julien.hoessler06 at imperial.ac.uk