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Adaptive wall functions for the v2-f turbulence model

✍ Scribed by Georgi Kalitzin; Gorazd Medic

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 707 KB
Volume: 53
Category: Article
ISSN: 0271-2091
DOI: 10.1002/fld.1302

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✦ Synopsis

Abstract

Adaptive wall functions for the v^2^‐f turbulence model have been derived for the flow over a flat plate at zero pressure gradient. These wall functions were implemented via tables for the turbulence quantities and the friction velocity u~τ~. A special treatment for the ε and f boundary conditions is proposed. On fine grids (y^+^<1) this approach yields results consistent with the wall integration solution. Detailed numerical results are presented for a zero pressure gradient boundary layer and separated flow over a ramp. Copyright © 2006 John Wiley & Sons, Ltd.

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