Calculated Drag Differences Paraview vs OpenFoam Output -- CFD Online Discussion Forums

November 25, 2013, 08:08	Calculated Drag Differences Paraview vs OpenFoam Output	#1
eRzBeNgEl Senior Member Join Date: Dec 2010 Posts: 135 Rep Power: 15	Hi guys, just want to ask for comments: Drag Coefficient Output @ OpenFoam ControlDict -> 2.83 (like literature) Paraview PostProcessing Calculation -> 2.49.... These are my paraviewsteps in short: 1)Extracted Surface 2)Generate Surface Normals 3)Calculated: cp = normalsp; ->Pressure Drag cf=normalsmuwallGradU_y -> Friction Drag 4) Build Integral Drag=(cp_X+cf_X)3.14156 (for Aref=1) equals in 2.49 Did I miss something?

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