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Constructive Modeling Of Structural Turbulence And Hydrodynamic Instabilities

Constructive Modeling Of Structural Turbulence And Hydrodynamic Instabilities
Композитор:Belotserkovskii O.M.
Название: Constructive Modeling Of Structural Turbulence And Hydrodynamic Instabilities
Издательство: Belotserkovskii O.M. Constructive Modeling Of Structural Turbulence And Hydrodynamic Instabilities
World Scientific Publishing Co. Pte. Ltd
Годочек: 2009
Формат: PDF
Размер:
язык: английский
Для сайта: MirKnig.com

The book provides an original approach in the research of structural analysis of free developed shear compressible turbulence at high Reynolds number on the base of direct numerical simulation (DNS) and instability evolution for ideal medium (integral conservation laws) with approximate mechanism of dissipation (FLUX dissipative monotone "upwind" difference schemes) and does not use any explicit sub-grid approximation and semi-empirical models of turbulence. Convective mixing is considered as a principal part of conservation law.
Appropriate hydrodynamic instabilities (free developed shear turbulence) are investigated from unique point of view. It is based on the concept of large ordered structures with stochastic core of small scale developed turbulence ("turbulent spot"). Decay of "turbulent spot" are simulated by Monte Carlo method. Proposed approach is based on two hypotheses: statistical independence of the characteristic of large ordered structures (LOS) and small-scale turbulence (ST) "and" weak influence of molecular viscosity (or more generally, dissipative mechanism) on properties of large ordered structures.

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