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Help!! about the boundary condition for k

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Old   April 27, 2006, 00:36
Default Help!! about the boundary condition for k
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hui
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I am using k-e model to solve the turbulent Couette Flow.

The lower plate is fixed so the velocity and kineic energy k are both 0;

The upper plate is moving at a constant velocity of U, so the velocity is also U. But I don't know k now. Is it also 0???

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Old   April 27, 2006, 09:55
Default Re: Help!! about the boundary condition for k
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John
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turbulent kinetic energy k at the solid walls is always zero regardless if a wall moves or not.
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Old   April 28, 2006, 02:01
Default Re: Help!! about the boundary condition for k
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hui
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Thank you very much!! :P
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