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Old   March 5, 2012, 11:16
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Amir sadeghi pour marvi
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I want to enter the equation in CFX as boundary conditions.

Power law:
UH , H , p : constant
UH=63 mm/sec
H=100 mm

If anyone can help me please reply to my post.
Thank You.
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Old   March 5, 2012, 11:48
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You can do it by creating an expression.

Let's say you name the expression "U_inlet":
and define the experssion as: "0.063 [m s^-1] * (z/(0.1 [m])^0.21"

Go to the boundary an enter to the the expression "U_inlet" to velocity
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