|October 2, 2009, 08:42||
Prism layer advice needed for port flow case
Join Date: Apr 2009
Posts: 22Rep Power: 8
Please share your insight on how to properly design prism layer strategy for steady state port flow case. Inlet/Outlet pressure differential is 6975 Pa. I'm using a realizable k-e turbulence model. The geometry is a 4-valve per cylinder (2 intake / 2 exhaust) intake port. The geometry is symmetrical so I am only modeling one half of the geometry. Intake valve OD is 37 mm. valve lift is 14 mm.
My questions are:
How can I determine desirable thickness of prism layer? Should thickness be a Percentage or Absolute?
How many layers should there be?
How should they be scaled/stretched?
How can I determine what my Y+ values should be?
Any advice you can offer would be greatly appreciated. Thank you
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