Modeling of the dynamic subgrid‐scale viscosity in large eddy simulation

Modeling of the dynamic subgrid‐scale viscosity in large eddy simulation

The dynamic subgrid‐scale (SGS) viscosity is reexamined on the basis of the production process of the SGS Reynolds stress. A new model for the SGS viscosity is proposed in place of the Smagorinsky‐type model of mixing‐length form. The model is applied to a channel flow, and the comparison with other...

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Veröffentlicht in:Physics of fluids (1994) 1996-08, Vol.8 (8), p.2254-2256
Hauptverfasser: Yoshizawa, Akira, Tsubokura, Makoto, Kobayashi, Toshio, Taniguchi, Nobuyuki
Format: Artikel
Sprache:eng
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Zusammenfassung:The dynamic subgrid‐scale (SGS) viscosity is reexamined on the basis of the production process of the SGS Reynolds stress. A new model for the SGS viscosity is proposed in place of the Smagorinsky‐type model of mixing‐length form. The model is applied to a channel flow, and the comparison with other models is made.
ISSN:1070-6631
1089-7666
DOI:10.1063/1.869001