|December 13, 2009, 09:45||
Why does y+ increase after computing?
Join Date: Dec 2009
Posts: 3Rep Power: 9
Hi, I would like to know why this happens:
for meshing near the wall, we compute the first node position for y+ = 1 with the java applet http://geolab.larc.nasa.gov/APPS/YPlus/. But, after solving, Fluent reports values of y+ of about 30 or higher at the same point. The flow is compressible (M = 1.1)
I appreciate any explanation.
|December 14, 2009, 17:11||
Join Date: Nov 2009
Posts: 158Rep Power: 9
dear friend, the method that u are using to calculate y+ is bullshit...it does not work...there is no universal method to estimate y+ from Re.
The only way is, to do a simulation with Fluent, get y+, that refine ure mesh as much as u need...
|December 16, 2009, 08:28||
Join Date: Aug 2009
Location: Surabaya, Indonesia
Posts: 153Rep Power: 9
To get Y+ in FLUENT is By trial & error. I've tried that equation. and i dosnt work completely.
Now Or Never!!!
|boundary layer, fluent, y +|
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