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Search: Posts Made By: pakk
Forum: Fluent UDF and Scheme Programming September 22, 2014, 06:38
Replies: 8
Views: 1,628
Posted By pakk
The problem is that you asked the wrong question....

The problem is that you asked the wrong question.
Your question:
"I want to use a 3D parabolic velocity profile in an inlet on ZY plane."

You now made a solution that is not parabolic, and yet...
Forum: Fluent UDF and Scheme Programming September 21, 2014, 06:46
Replies: 8
Views: 1,628
Posted By pakk
Hi Asal, What you suggest is not correct. ...

Hi Asal,

What you suggest is not correct.

First of all, your equations are not really parabolic profiles, they are always negative, but let's assume that you chose the wrong coefficients, and...
Forum: Fluent UDF and Scheme Programming September 19, 2014, 05:50
Replies: 8
Views: 1,628
Posted By pakk
The equation depends on the shape. The easiest is...

The equation depends on the shape. The easiest is circular, that one you can look up in most CFD books. I think all others shapes are difficult.
Forum: Fluent UDF and Scheme Programming June 17, 2014, 06:39
Replies: 8
Views: 1,628
Posted By pakk
You first need one equation for the x-velocity....

You first need one equation for the x-velocity. Not two, as in the opening post, that is wrong.

u_x = f(y,z).

Once you have that, you can implement it in exactly the same way as for the 2d case.
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