To ensure the wall modeling Y+ recommendation is met, we can visualize the first cell Y+ value on a surface. To do this you will need to ensure that converged results run with the Y+ result control added, are downloaded to your local machine and ParaView is installed.
These are the steps to visualize the Y+ on a surface.
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Open ParaView
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Open the downloaded case by opening the case.foam file
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Before applying the settings to import in ParaView, deselect the Internal Mesh in Mesh Regions and select the surfaces of interest (the faces to visualize Y+ on)
Figure 1: Changing the imported blocks
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Apply the import settings
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Change the visualization to Yplus (point data)
Figure 2: Changing the visualized scalar
Figure 3: The final visualization