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udf code for anisotropy turbulence model- square duct

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Old   February 28, 2012, 19:18
Default udf code for anisotropy turbulence model- square duct
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Hi everybody,

I'm trying to simulate a fully developed flow in square duct to predicate the secondary flow motion.
I already obtained this kind of motion using RNG model but i have to compare with the anisotropy turbulence model or so called (nonlinear model)
since its not available in fluent so i need to use UDF , so do you guys have the udf code so i use it ???

thank you much for help
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Old   August 29, 2012, 10:26
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Hello Eli,

Could you please tell me how you achieved secondary flows with RNG, because I tried RNG with enhanced wall treatment with all its options in fluent, with no success. Did you use udf or the simulation was transient?

Thank you,
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