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UDF for compute heat transfer coefficient at end

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Old   October 31, 2016, 04:25
Unhappy UDF for compute heat transfer coefficient at end
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hi all !
I have a problem , in my project i have to compute heat transfer coefficient , Nusselt number and heat flux values.
I am working on simple natural convection over flat plates vertical horizontal or inclined on 2D no matter.
My problem is , numerical results that i calculated and Fluent results are diferent.
Because of that i need to write udf in order to have numerical results in fluent
Here is the problem , i can't use some macros like DEFINE_PROFILE to assign a new htc in boundry condition(in convection option) , because i have constant temperature or heat flux values and for now i am studying on only about natural convection , i tried to use DEFINE_HEAT_FLUX macro but i guess my code isn't correct .
Anyone help me about it , or any sugestion ?
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Old   October 31, 2016, 05:27
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anyone ? pls
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heat transfer coefficient, natural convection, udf code

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