[Gmsh] 2D boundary layer mesh

David Colignon David.Colignon at ulg.ac.be
Thu Jul 9 14:53:17 CEST 2009


Hi Ivan,

yes, it doesn't work with lines. In your case you will have to construct a 3D geometry "by hand" and mesh it.

Cheers,

Dave

-- 
David Colignon, Ph.D.
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Ivan Flaminio Cozza wrote:
> Hi to everybody!
> I need to mesh a 2D multiflapped wing section, and I have to import it 
> in OpenFOAM, so I need to extrude it in the spanwise direction with one 
> single cell, in order to do a 2D calculation.
> I'm having problems in generating the boundary layer mesh, as the  
> extrude{surface{}}  command do not works with lines (extrusion of lines 
> in normal direction),  and seems that I cannot use extrude{surface{}} if 
> my domain is for example a square with an hole, like this:
> 
> __________
> |                   |
> |      __         |
> |      |_ |        |
> |__________|
> 
> (The hole pass run through the whole domain).
> Anyone has an idea on how to mesh something like this?
> Thank you,
> Ivan
>