[ANSYS Meshing] how to check y+ validation for Aerodynamics -- CFD Online Discussion Forums

August 1, 2016, 06:38	how to check y+ validation for Aerodynamics	#1
babri New Member sime Join Date: May 2016 Posts: 7 Rep Power: 9	hi as you know Y+ value dependent on friction velocity , i want to test a vehicle aerodynamics and Gaining it's drag coefficient, also i read some articles in this website about Y+ but i don't realize Y+ significance for aerodynamic test , because on the different points of vehicle surface friction velocity is different with other points so Y+ value may change too much ! as i said now i have 2 problem ; 1-for aerodynamics analysis i should keep Y+ value in specified rang and if it is true what is this rang ? 2-when friction velocity is different is vehicle surface how i can keep Y+ value to gain a accurate drag coefficient ?

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