UDF temperature profile
Hello all,
My question will maybe seem quite easy for some of you, but i've never used UDF before and i'm a little lost, especialy cause i don't know either how to code in this language. Anyway, to make short, i have the temperature values of a wall surface, obtained experimentatly. Now i would like to implement them in the simulation. I have for ex: x=0.1cm T=350K x=0.2cm T=367K x=0.3cm T=389K.... How can i put all these values in my simulation via UDF? Thanks all for your future helps. 
Hi Anthony,
I also have to specify the temperature profile (fixed in time) at a wall and do not know how... how did you solve the problem? Might you copy the udf file you wrote to specify wall temperature? Thank you very much!! Serse 
I would insert a Profile rather than an UDF. try it!

I solved the problem by finding the polynomial equation feeting with my points. I found this equation with Matlab.

I tried with the following profile file to simulate a linearly increasing temperature at a wall
((temperature line 2) (x 0.3955 0.682 ) (y 0.0795 0.0795 ) (temperature 1173.15 1923.15 ) ) The file simply contains locations of two nodes and temperature values at these nodes. Fluent reads it easily, but after initializing the solution there is not such temperature distribution at the wall. The temperature I get is the one from the fluid zone. Might you help me on this? For NeoGamaes  How did you include the polynomial function at a wall? Thank you very much! 
Exemple of Temperature profile:
Code:
/*************************************************************************/ 
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