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-   -   O-grid or Polar-grid for airfoil mesh (http://www.cfd-online.com/Forums/openfoam/86681-o-grid-polar-grid-airfoil-mesh.html)

fippo_dk March 30, 2011 04:43

O-grid or Polar-grid for airfoil mesh
 
3 Attachment(s)
Hi,

I want to simulate the flow around an airfoil, and I want to mesh the domain in an o-grid (or polar grid), in order to conveniently simulate the flow for different angles of attack.

My problem is mostly at the trailing edge, where I get the cells very skewed.

I want to mesh the trailing edge like in the screenshot.

Does anyone have ideas/suggestions on how to implement such mesh with blockMesh/gmsh or any other open source mesh generator?

Cheers

Attachment 7083

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linnemann March 31, 2011 07:57

1 Attachment(s)
Hello

Certainly doable using Salome.

With a bit of clever thinking you can make a python script that takes XFoil profiles and makes a macro for Salome.

The end result will look something like the following.

fippo_dk March 31, 2011 08:30

Could you post a screenshot of the far domain? is it a circular or square domain?

What about the trailing edge? is it blunt or sharp?

Mvh

Felipe

linnemann March 31, 2011 08:32

Hi its a circular domain and the trailing edge is blunt.


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