UDF basics - boundary conditions
I'm new to writing UDFs for Fluent 6.3.
I am trying to write a UDF for a Velocity Inlet boundary condition. For every time step, I want this boundary condition to be updated to a new temperature (same velocity). The new updated value should be a function of the average temperature of all cell faces in another boundary that is updated with a new calculated value at every time step.
Summary of what i want to write: T1(t) = f ( face_temp_average( T2(t) ) )
I do not know what define macro I should be using for the temperature update, how I can get the average of all faces on a face thread, and finally how I can call the values of another boundary when writing a UDF for a boundary condition.
I would reaeaealy appriciate it if someone can give me some help on this. Even some names of the macros I should be learning about helps.
You should first write a UDF to loop around the cell thread to calculate the average temperature. Then use the average in inlet profile.
Thank you so much for your reply. Now, how do I refer to another boundary condition when I am writing my UDF for velocity inlet boundary condition. I mean do boundary conditions have numbers or names so that I can use their name when using them in my UDF?
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