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12.19.12 Solving the $k$ Equation to Obtain Wall Boundary Conditions

In the RSM, FLUENT, by default, uses the explicit setting of boundary conditions for the Reynolds stresses near the walls, with the values computed with Equation  12.7-34. $k$ is calculated by solving the $k$ equation obtained by summing Equation  12.7-1 for normal stresses. To disable this option and use the wall boundary conditions given in Equation  12.7-35, turn off Wall B.C. from k Equation under Reynolds-Stress Options in the Viscous Model panel. (This option will not appear unless you have activated the RSM.)

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