|March 26, 2013, 01:51||
How to decide the proper y+
Join Date: Mar 2013
Posts: 1Rep Power: 0
Im using a SST model to calculate a problem about cavity flow. But I dont know how to decide the Y+ of my mesh.There r lots of different advices about the Y+, such as:
the maximum Y+ must be less than 200 from the solver guide;
When the boundary layer is stable, large Y+ could be used(above 11), it would be OK;
When the boundary layer is unstable, Y+ should be less than 11. If accurately predicting the boundary layer separation, one should generally make sure that the Y+ is less than 1...
what's the proper Y+ for me or how could I decide my Y+?
THANKS A LOT!
|y+; sst; boundary layer|
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