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Wall Shear Stress Order of Accuracy

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Old   April 9, 2014, 11:01
Default Wall Shear Stress Order of Accuracy
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I am running a simulation with a laminar pipe flow regime in which the calculation of the wall shear stress values is the primary focus of my research. I completed a grid independence study in order to determine how fine a grid was necessary to resolve the near wall flow behavior.

Does anyone know the order of accuracy of the velocity gradient calculation conducted by Ansys CFX used to determine the wall shear values presented in CFX-Post.
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ansys cfx14, wall shear stress

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