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Mesh Convergence

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Old   June 8, 2021, 05:13
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Stefano Segneri
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Good morning everyone.

I am studying the 2D turbulent flow over a car with SU2. To do that I have created some hybrid meshes with Gmsh. The problem is that if I decrease the elements size beyond a certain threshold the simulation diverges. I have tried two different meshes, the second has a refinement box all around the car and it diverges with a lower number of elements than the first. Does anyone know the reason?

You can find attached the geo files of the mesh.

Thanks in advance.
Attached Files
File Type: txt Mesh.txt (5.7 KB, 9 views)
File Type: txt Mesh_Box.txt (5.5 KB, 4 views)
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