Getting a Negative Drag_Coefficient -- CFD Online Discussion Forums

October 12, 2015, 23:38	Getting a Negative Drag_Coefficient	#1
yshen303 New Member fangwei Join Date: Sep 2015 Posts: 4 Rep Power: 10	Hello Everyone I am running a 2D simulation over a Airfoil via Fluent. I am getting a good Lift Coefficient, but a negative Drag coefficient. Is there anyone experiencing the same issues while running the CFD? Besides, for the initialization method. Is there difference for Hybird and Standard initialization. which one is better?

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