A PROPOSAL OF A LES MODEL FOR PLANT CANOPY FLOWS

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  • HIRAOKA Hisashi
    Assoc. Prof., Academic Center for Computing and Media Studies, Kyoto University, Dr. Eng.

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Other Title
  • 植栽を有する流れ場のLESモデルの提案
  • 植栽を有する流れ場のLESモデルの提案 : 植栽を有する流れ場のLESモデルの作成(その1)
  • ショクサイ オ ユウスル ナガレバ ノ LES モデル ノ テイアン : ショクサイ オ ユウスル ナガレバ ノ LES モデル ノ サクセイ(ソノ 1)
  • Modeling of LES for plant canopy flows　(Part 1)
  • 植栽を有する流れ場のLESモデルの作成　(その１)

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Abstract

In the previous paper, I proposed a one-equation-type subgrid-scale (SGS) model for a Large Eddy Simulation (LES) of plant canopy flows. In that paper, the SGS turbulent energy equation was derived from the equations of continuity and Navier-Stokes. The SGS turbulent energy equation was closed by modeling several unknown terms which appeared in the equation. In this paper I tried to modify the modeling of the turbulent diffusion terms and the viscous dissipation rate. The turbulent diffusion terms were modeled in a unified way. The viscous dissipation rate was modeled using two length scales.

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