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April 19, 2017, 10:32 |
Wall functions
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#1 |
New Member
Miad Al Mursaline
Join Date: Nov 2016
Posts: 15
Rep Power: 9 |
Dear members. I am working on viscous flow around airfoils.
Since I am using wall functions for high Reynolds number, I want to keep my y+>30. I have used the following link to calculate my wall distance for my desired y+ value. https://www.cfd-online.com/Tools/yplus.php I was wondering if this is a right method to obtain desired y+ values. |
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April 24, 2017, 23:53 |
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#2 |
Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,672
Rep Power: 65 |
Yes, it's a good place to start. Try it and see what the actual y+ is from the result. Then adjust your mesh sizes accordingly. You can also apply a factor of safety, e.g. multiply by 2 and target y+>60.
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April 26, 2017, 12:33 |
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#3 |
New Member
Miad Al Mursaline
Join Date: Nov 2016
Posts: 15
Rep Power: 9 |
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