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#1 |
Member
Join Date: Aug 2009
Posts: 67
Rep Power: 16 ![]() |
Hi guys,
I try to mesh a 3D centrifugal pump! Using spalart-allmaras model y+ has to be 1 or greater than 30. I made a boundary layer near the blades fine in order to achieve the y+ = 1. Because of the huge number of cells i cant do the same for the other walls of the pump. That will affect the solution? Is there anything else that i have to care for using this model? Thanks ![]() |
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#2 |
Senior Member
Join Date: Feb 2010
Posts: 148
Rep Power: 17 ![]() |
The only way to know if the solution is affected is to demonstrate grid independence.
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#3 |
Senior Member
Have a nice time!
Join Date: Feb 2016
Location: mech.eng.ahmedmansour@gmail.com
Posts: 291
Rep Power: 11 ![]() |
Is there a formula that is used to calculate the y+ for the pump simulations?
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