# Inlet function

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 February 12, 2013, 10:33 Inlet function #1 New Member   Luca Viaro Join Date: Nov 2012 Posts: 8 Rep Power: 7 Hi all, I'm trying to simulate the behavior of the abdominal aorta and I need of a inlet function that it changes with the radius like a target for archery or like concentric circles. The inlet is a circle with the center in the origin of axis [0,0,0] and it is in the XZ plane. Screen.jpg The inlet function is the velocity and I have the values in a chart. I created an user function with an three dimensional interpolation (velocity,time, radius and Y value). Funcyion.jpg After I created an expression called MyRad define of this expression: sqrt((X Coordinate)^2+(Y Coordinate)^2) Expression.jpg and a new variable called MYRAD. After this I set up the new variable in the fluid domain and set up the inlet velocity in inlet boundary. Inlet_setting.jpg I obtained a profile like in the picture Inlet.jpg How can I do for obtain the right profile??? Thank you

 February 12, 2013, 11:18 #2 New Member   Luca Viaro Join Date: Nov 2012 Posts: 8 Rep Power: 7 I found the solution there was a very banal error, but I don't know how to delete the post... Thnk you all...

 February 12, 2013, 18:45 #3 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 13,991 Rep Power: 107 If you want me to I can delete the post, but it is better if you post a description of what the fix is so if people find it in future they can learn from it.

 February 13, 2013, 05:59 #4 New Member   Luca Viaro Join Date: Nov 2012 Posts: 8 Rep Power: 7 In the expression I have made a very bad mistake, the inlet is in the plane XZ and the right expression is: sqrt((X Coordinate)^2+(Z Coordinate)^2)

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