How to set UDF For tophat velocity profile -- CFD Online Discussion Forums

June 11, 2017, 08:51	How to set UDF For tophat velocity profile	#1
losiola Member Os Join Date: Jun 2017 Posts: 80 Rep Power: 9	hi gays , i you can just help me to define the UDF for the top hat velocity profile for fluent simulation the expression of the velocity profile is on the pic below : the welocity is W and R is the radious of the jet (3D jet) and i wanna know if m gonna need to change somthing coz this jet is in cylindrical coordinates and my volume of contrôle is gonna be in cartisienn coordinates

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