[Gmsh] 2D Mesh for OpenFOAM: boundary layer field and extrusion

[Christophe Geuzaine]

Hi James,

The file seems to work fine over here, generating the full 3D mesh as expected… Try with the latest automated snapshot?

Christophe



> On 8 Feb 2018, at 16:05, James Gross <jgross0227 at gmail.com> wrote:
> 
> Hi everyone,
> 
> I am looking to create a 2D mesh for a simulation of a pump in OF. I would like to use BoundaryLayer Field to create a structured mesh for the boundary layer, with an unstructured mesh in the rest of the flow field.
> 
> All is good for the purely 2D mesh, however when I extrude the surface to make the mesh for OF, the boundary layer does not seem to be fully extruded, as only the one side that specified in the BoundaryLayer Field is included when I label the Physical Surface.
> 
> My understanding is that geometrical features from both extruded and non-extruded side needs to be specified during the BoundaryLayer Field call. However this is fairly cumbersome, as I need to find the labels for all of the extruded features.
> 
> Is there another way to do this?
> 
> I have attached a geo file that creates a geometry, extrudes it, and meshes it.
> 
> Any help/advice that anyone can offer would be greatly appreciated.
> 
> Regards,
> James
> <Pump_ExtB.geo>_______________________________________________
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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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