[Gmsh] Gmsh 2D Boundary Layer around a bluff body

Christophe Geuzaine cgeuzaine at uliege.be
Sat Feb 24 11:15:26 CET 2018

> On 23 Feb 2018, at 09:28, Tommaso Pascon <pascon.tommaso at yahoo.it> wrote:
> Good morning,
> I'm Tommaso Pascon a Openfoam CFD user who use Gmsh as a mesh generator software.
> I'm having troubles trying to get an hybrid mesh with a structured boundary layer area around a bluff body and an unstructured region for the rest of my domain.

See e.g. https://gitlab.onelab.info/gmsh/gmsh/blob/master/benchmarks/2d/BL2.geo

> I tried with boudarylayer field but i can't make it to work apparently so i decided to use the extrusion function. This is working but i can't connect the structured region with the unstructured one. It seems that these two aren't connected together and the unstructured mesh falls into the structured part.
> What am I missing? I've read a lot of posts on that matter but I still can't find a solution.
> If it's needed I can upload the geo file
> Thanks
> Tommaso Pascon 
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

Free software: http://gmsh.info | http://getdp.info | http://onelab.info

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