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Third Symposium on Turbulence and Shear Flow Phenomena
June, 25-27, 2003, International Center, Sendai, Japan

DOI: 10.1615/TSFP3

TWO-POINT CLOSURES AND TURBULENCE MODELING

pages 857-862
DOI: 10.1615/TSFP3.1440
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摘要

The main ideas underlying the derivation of the usual two-point closures are reviewed. The Direct Interaction Approximation (DIA) and related closures, and the Eddy-Damped Quasi Normal Markovian (EDQNM) model are briefly presented. Particular emphasis is given to the application of closures to homogeneous anisotropic turbulence. The relations between two-point closures and other types of turbulence models, in particular subgrid models for Large-Eddy Simulations, are briefly presented. Finally, the possible extensions of two-point models to inhomogeneous turbulence are discussed and some representative results are given.

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