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Old   March 16, 2005, 08:39
Default wall function and grid
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Y
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hi I am simulating flow behind a bluff body. Not I know that if I want to use the wall function. the y+ plus values should not be less than 11 and greater than 60. How can I make delta x of the first node to the value which I require and use the structure grid i.e delta x in other cels are equal and less than delta x in the first cell.

Y
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Old   March 17, 2005, 05:53
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Its is urgent Please reply me
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Old   March 17, 2005, 06:19
Default Re: wall function and grid
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Stephen
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just use "adapt -> Y+/Y*" in Fluent and let it adapt your mesh. However in 3D grids I have only been able to refine the grid (no coarsening)..

Stephen
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Old   March 17, 2005, 07:48
Default Re: wall function and grid
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Y
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Hi, Is it possible to do it in gambit or not. I do not want to affects others grid distribution. Y
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