Pressure Drag underestimated -- CFD Online Discussion Forums

July 26, 2008, 14:22	Pressure Drag underestimated	#1
rc2v07 Guest Posts: n/a	Hi again! Im simulating a keel and bulb in water, steady at 13m/s 6 degree angle of attack. The problem is convergence only to 10*-3 and that pressure drag is greatly underestimted. Viscous drag is quite good though. I am using SST with a Y+ of 1 and lift prediction is fine. Any ideas?! Thanks

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