FLUENT: Divergence in AMG solver when using Enhanced Wall Treatment although y+<1>

CatiaV5CatiaV5 Member

Hi all,


I run a pressure based external flow simulation (flow around a delta wing at M=0.1 at 20 deg angle of attack). I wanted to use the Linear Pressure Strain RSM with Enhanced Wall treatment as my y+< 1. I can run the RSM when using the standard wall treatment fine but as soon as I put it on enhanced I get divergence. This is not the case when running k-epsilon though. I was wondering why this happens and what I can do about it. I really would like to run the epsilon based RSM with enhanced wall treatment.


Thank you very much in advance for your help


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