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wall treatment for uniform grid

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Old   July 30, 2014, 07:11
Default wall treatment for uniform grid
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I have written a code using finite difference method. Using k-epsilon model, I need to determine k and epsilon values in the first grid. I have different velocity values at boundaries (.025-.3). So it is not possible to have y+ values between 30-100. How should I deal with this problem?
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finite difference method, wall function

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