Adaptive wall functions for the  v  2 ‐ f  turbulence model | Zendy

Kalitzin Georgi | Zendy; Medic Gorazd | Zendy

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Adaptive wall functions for the v 2 ‐ f turbulence model

Author(s) -

Kalitzin Georgi,

Medic Gorazd

Publication year - 2006

Publication title -

international journal for numerical methods in fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 112

eISSN - 1097-0363

pISSN - 0271-2091

DOI - 10.1002/fld.1302

Subject(s) - turbulence , pressure gradient , boundary layer , mechanics , zero (linguistics) , flow (mathematics) , physics , boundary (topology) , k epsilon turbulence model , turbulence modeling , mathematics , mathematical analysis , geometry , classical mechanics , philosophy , linguistics

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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