||July 21, 2011 01:07
Y+ adaptation problem- FLUENT
I want to keep y+ below 10 in a k-epsilon turbulence model flow analysis. The flow domain is the gap between the rotating shaft and the outer casing. I did meshing using hex/cooper and my initial mesh number is 385k nodes. The problem is when I want to do the y+ adaptation, I end up with a total mesh number of more than 5 million and the y+ is still far higher than 10. It seems that if I want to make it below 10, I will need around 10 million nodes which will make it almost impossible for me to continue performing simulations.
Any idea about how to keep y+ below 10 without having millions of nodes?