07 November 2015 3 7K Report

Hi,

I am simulating a turbine in Fluent that it has curve. Mesh is structure completely. but there is high Skewness in tip clearance and some parts of around of the blade:

http://www.upload7.ir/imgs/2014-10/99742939652347311853.jpg

When i use SIMPLEC Method, one factor (Skewness correction) appear under the SIMPLEC method in ANSYS Fluents method.

How i must adjust this factor? i dont know which number must be set?1< or 1 , 2, 3,

I used K-e turbulence model and when I set Skewness correction to 5 or 20, the following error is appeared:

"Error: Divergence detected in AMG solver: k

Error: Divergence detected in AMG solver: k

Error Object: #f"

Why does this happen?

Please suggest a way to reduce the skewness in ansys fluent and how can i check Skewness in Fluent?

Thanks.

Best.

Ali

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