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April 2, 2007, 13:00 |
mixing length models and wall functions
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#1 |
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I am using a mixing length model to simulate a turbulent flow in a duct. As i cannot go down to a y+ of the order of 1 (or however well into the viscous sublayer) for time constraints, I was planning to use a wall function to solve this. However, I read somewhere that ml models do not need wall functions. Anybody knows why is this?
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