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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › resolution boundary layer › Reply To: resolution boundary layer

September 16, 2024 at 1:34 pm
Rob
Forum Moderator

You need to consider y+ AND streamwise resolution AND the core mesh. Focus too much on one to the detriment of others and you have a problem. I'd aim for y+ of around 1, aspect ratio of near 1 in the jet & flow separation region and a skew near zero. There's a reason meshing is a separate course and using CFD takes practice.Â