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Forum: Fluent UDF and Scheme Programming

March 9, 2017, 09:40

Replies: 8

Creating UDF with changing velocity with time

Views: 3,057

Posted By pakk

The x-component and y-component seem ok. The...

The x-component and y-component seem ok.

The "velocity_magnitude" is wrong. First of all: you don't need it.
But even if you would need it:
* you calculate vmag and theta after you use them....

Forum: Fluent UDF and Scheme Programming

March 9, 2017, 04:46

Replies: 8

Creating UDF with changing velocity with time

Views: 3,057

Posted By pakk

You still have to give x and y components to...

You still have to give x and y components to Fluent. So if you want to use an angle, you have to calculate components by yourself.

But you can use the sine and cosine functions. So, if you have...

Forum: Fluent UDF and Scheme Programming

March 9, 2017, 04:04

Replies: 8

Creating UDF with changing velocity with time

Views: 3,057

Posted By pakk

It looks almost like a valid program that does...

It looks almost like a valid program that does something similar to what you asked.

I see only one problem in this line:
F_PROFILE(f,t,i) = velocity=sqrt(pow(x,2)+pow(y,2));

You are obviously...

Forum: Fluent UDF and Scheme Programming

March 9, 2017, 03:21

Replies: 8

Creating UDF with changing velocity with time

Views: 3,057

Posted By pakk

If you have no knowledge on UDFs at all, then...

If you have no knowledge on UDFs at all, then start by looking in the Fluent help. See if you can find a UDF that does something similar to what you want, and think about what should be changed. Try...

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