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dimentionless velocity expression POST CFD

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Old   February 27, 2019, 07:11
Default dimentionless velocity expression POST CFD
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Hello,

I analyse rotatory flow in a tank (R=100mm). I was asked to present velocity change along the radius as a dimensionless velocity (non-dimensional velocity). I plot velocities at 4 mm above the bottom.

I struggle to write the expression in post cfd to plot the expression in the program.
Can anyone provide any step by step instruction?
Also I wonder if the dimensionless velocity will be valid along the radius, after all it is a near-wall phenomena.

Big thanks!
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cfd post, cfx, friction velocity, non-dimensional velocity


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