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. Attachment 18980
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). Attachment 18978
After I created an expression called MyRad define of this expression:
sqrt((X Coordinate)^2+(Y Coordinate)^2) Attachment 18975
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. Attachment 18979
I obtained a profile like in the picture Attachment 18976
How can I do for obtain the right profile???
I found the solution there was a very banal error, but I don't know how to delete the post...
Thnk you all...
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.
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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