The transport equation of subgrid scale (SGS) kinetic energy, , is used for the large-eddy simulation (LES), considering its consistency with dynamic procedure. The dynamically determined parameter is suitable for describing the energy transfer from resolved turbulence to SGS portion. Thus the procedure is applied to the production term in the transport equation of , while the eddy viscosity in the filtered equation of motion is determined indirectly through . The statistically derived model for equation is adopted for the basis of our improvement. Computational examination has been conducted for fully developed turbulent flow in a plane channel. Agreement with DNS database was satisfactory. Moreover, in a channel on solid body rotation, our model reasonably reproduced the decay of SGS turbulence in the vicinity of the suction side.
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One-Equation Subgrid Scale Model Using Dynamic Procedure for the Energy Production
Takeo Kajishima,
Takeo Kajishima
Department of Mechanical Engineering,
e-mail: kajisima@mech.eng.osaka-u.ac.jp
Osaka University
, Suita, Osaka 565-0871, Japan
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Takayuki Nomachi
Takayuki Nomachi
Department of Mechanical Engineering,
Osaka University
, Suita, Osaka 565-0871, Japan
Search for other works by this author on:
Takeo Kajishima
Department of Mechanical Engineering,
Osaka University
, Suita, Osaka 565-0871, Japane-mail: kajisima@mech.eng.osaka-u.ac.jp
Takayuki Nomachi
Department of Mechanical Engineering,
Osaka University
, Suita, Osaka 565-0871, JapanJ. Appl. Mech. May 2006, 73(3): 368-373 (6 pages)
Published Online: November 10, 2005
Article history
Received:
December 13, 2003
Revised:
November 10, 2005
Citation
Kajishima, T., and Nomachi, T. (November 10, 2005). "One-Equation Subgrid Scale Model Using Dynamic Procedure for the Energy Production." ASME. J. Appl. Mech. May 2006; 73(3): 368–373. https://doi.org/10.1115/1.2164509
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