Lift and drag coefficient on controlDict -- CFD Online Discussion Forums

June 3, 2024, 10:58	Lift and drag coefficient on controlDict	#1
Enzo.M New Member Enzo Mascrier Join Date: Mar 2024 Posts: 2 Rep Power: 0	Hello, I'm struggling with the use of forceCoeffs in controlDict. I don't really understand what "ARef" refers to. I'm trying to calculate the drag coefficient of a cylinder (Diameter = 2 m) so I should enter the surface area of my cylinder (piR2) or the surface area seen by the flow (DiameterWidth) ? Thank you, Enzo

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