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Spalart-Allmaras y+ Domain

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Old   May 3, 2015, 06:21
Default Spalart-Allmaras y+ Domain
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Soheil
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Hi.
I'm trying to investigate flow around a delta wing in supersonic flow ( Mach Number = 1.4 ). the biggest problem i have is correct y+ value domain in Spalart-Allmaras turbulence model. I calculated Y+ Wall Distance using the CFD-Online tool. I attached a picture of my Y+ plot and y+ min and max values.
Do I have to change my mesh for better y+ or this current one is good?
According to the fluent help ( picture attached ), is there any specific y+ range for SA model?
I really appreciate any help.
yplus_minmax.jpg

yplus_plot.jpg

fluent_help.jpg
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fluent, spalart allamras, supersonic, y plus, y plus ranges


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