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Y-plus: Estimation of first layer height near wall
Estimate height of the 1st layer height of the mesh as per recommended y+ value of the chosen solver, a better guess than
choosing an arbitrary value. Here is Excel version: Y-Plus and Boundary Layer Height Estimation using Excel. The default values have been specified to avoid arithmetic errors. Please ensure you specify all the values as per the operating conditions chosen in simulation. The default value of y+ is set = 30, appropriate for most high-Re turbulence models. In case a low-Re turbulence model such as SST is being used, change this value to 1 or maximum 5.
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