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Forum: CFX

August 13, 2009, 18:24

Replies: 9

Modeling Backflow for a 3D Airfoil (Wing of Finite Span)

Views: 5,067

Posted By ghorrocks

The vorticies may take some time to develop. Try...

The vorticies may take some time to develop. Try using a run which has the vorticies as an initial condition and see if the transient run keeps them going or if they disappear.

Also, I assume you...

Forum: CFX

August 12, 2009, 23:06

Replies: 9

Modeling Backflow for a 3D Airfoil (Wing of Finite Span)

Views: 5,067

Posted By ghorrocks

Hi, Small backflow regions like this tend to...

Hi,

Small backflow regions like this tend to be transient. You may be forced to run transient to resolve them correctly. When you coarsen the mesh you are simply not able to resolve them and it...

Forum: CFX

August 11, 2009, 19:12

Replies: 9

Modeling Backflow for a 3D Airfoil (Wing of Finite Span)

Views: 5,067

Posted By ghorrocks

Here is some initial comments: ...

Here is some initial comments:
http://www.cfd-online.com/Wiki/Ansys_FAQ#My_steady_state_solution_converges_for_a_while_but_stops_converging_before_reaching_my_convergence_criteria

To get an...

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