standard and enhanced ?
Hello all,
I want to know what is the difference bet. standard wall functions and enhanced wall treatment. Also for standard wall functions y+ if the minimum is less than 30 is that wrong? and how could i adjust its value , i use the adaption but the min always less than 30 ? thanks in advance. |
http://www.cfd-online.com/Forums/cfx/99023-wall-function.htm
Enhanced wall treatment in Fluent is equivalent to automatic wall treatment in CFX (roughly speaking) |
thanks Far,
i understand now the difference, but i still don`t know how to adjust the value of y+ |
use the yplus calculator available online and is based on flat plate formulae. It is a good starting point, later on you can fine tune yplus once you have simulation results (you should get idea within 25-40 iterations). http://geolab.larc.nasa.gov/APPS/YPlus/
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thanks Far , i will try. :)
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iam making a simulation of VAWT, will the calculator be useful ???
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