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LES Modelings based on the Lagrangian Renormalized Approximation

  • Kyo Yoshida
  • Takashi Ishihara
  • Daishi Fujita
  • Tomomichi Yamahira
  • Yukio Kaneda

Abstract

A systematic way for formulating large-eddy simulation (LES) models based on the Lagrangian renormalized approximation is presented. A spectral LES to simulate the energy spectrum and a probabilistic LES to simulate both the energy spectrum and the error spectrum are formulated for 3-dimensional turbulence and 2-dimensional turbulence with the inverse energy cascading range. The derived models are free from any ad hoc parameters. The models are verified using high resolution nu-merical simulations with 5123 grid points for 3-dimension and 10243 for 2-dimension.

Keywords

Energy Spectrum Direct Numerical Simulation Eddy Viscosity Subgrid Scale Inertial Subrange 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Japan 2003

Authors and Affiliations

  • Kyo Yoshida
    • 1
  • Takashi Ishihara
    • 1
  • Daishi Fujita
    • 1
  • Tomomichi Yamahira
    • 1
  • Yukio Kaneda
    • 1
  1. 1.Graduate School of Engineering, Department of Computational Science and Engineering, Graduate School of EngineeringNagoya UniversityChikusa-ku, NagoyaJapan

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