SCALING LAWS, TURBULENCE STRUCTURE AND SUBGRID-SCALE MODELS FOR LARGE EDDY SIMULATION

被引：0

作者：

Ding, Keqi ^{[1
]}

Xiao, Zuoli ^{[2
]}

Shi, Yipeng ^{[2
]}

机构：

[1] Peking Univ, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China

[2] Peking Univ, Ctr Appl Phys & Technol, Beijing 100871, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2010年 / 24卷 / 13期

关键词：

Turbulence; scaling law; large eddy simulation; VISCOSITY;

D O I：

10.1142/S0217984910023839

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Turbulence structures are classified by defining the structure parameters. It is verified that the probabilities of these structure classes keep invariant at different scales within the inertial range. It is also shown that this scale-invariant property of turbulence leads to the existence of scaling laws for a series of physical quantities. From them we deduce the variation principle and the physical constraints to optimize the subgrid-scale stress model coefficients for large eddy simulation.

引用

页码：1445 / 1448

页数：4

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