how to write friction velocity in CFX expression? -- CFD Online Discussion Forums

August 25, 2014, 11:56

how to write friction velocity in CFX expression?

CFD-fellow

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Behrooz Jamshidi

Join Date: Apr 2013

Posts: 110

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Hi
I want to define an expression in CFX which is a function of friction velocity.
For example the function below(where Utau is the friction velocity):

Attached Images

Utau.png (1.8 KB, 25 views)

August 25, 2014, 12:32		#2
Opaque Senior Member Join Date: Jun 2009 Posts: 1,880 Rep Power: 33	You can try using "Shear Velocity".

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