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Maintaining an atmospheric boundary layer

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Old   June 4, 2009, 04:27
Default Maintaining an atmospheric boundary layer
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For a study on the forces acting on a structure placed on the roof of a building I need to be able to maintain an atmospheric boundary layer over a set distance ahead of the building. Not only the velocity profile but also the turbulence profile is of importance.

How can I best ensure that the profile I specify at the inlet does not change significantly? Is there a turbulence model that is well suited for this? Should I place turbulence creating blocks ahead of the building, just as is done in wind tunnels?

The solver I will be using is simpleFoam, the turbulence model will probably be RNG k-epsilon.

Any suggestion is appreciated.

Thank you.

Best regards,
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atmospheric, boundary, layer, profile, turbulence

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