Drag forces on piers -- CFD Online Discussion Forums

January 14, 2021, 12:52	Drag forces on piers	#1
Hopito New Member Elpida Panagiotatou Join Date: Sep 2017 Posts: 1 Rep Power: 0	Hello everyone, I am using flow 3d in order to calculate the drag force exerted on a pier. In order to do that I load an stl file with the pier and then I click on subcomponents -> component properties ->output -> pressure and shear force output. When I try to calculate drag force from the momentum balance equation I get a different result from the one I get from Flow3d. Does anyone know what is the pressure force output and how it is calculated on Flow3d? Note that for the run i use pressure -> hydrostatic pressure in z direction

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