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wall shear stress definiton

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Old   May 21, 2024, 17:35
Default wall shear stress definiton
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Berk Akdemir
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Hello guys.

I want to evaluate the wall shear stress of a curve but the results come out to be wrong.

I have an geometry of abdominal aortic aneurysm and I define the upper part as edge 2D.

For the wall shear stress, I use spf.mu*(uy+uv) but it is wrong. I believe for the curved part of some surfaces, the wall shear stress needs to be evaluated in an another expression.

Can anyone help me out?

Thanks in advance.
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