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Turbulence, Coherent Structures, Dynamical Systems and Symmetry
     

Turbulence, Coherent Structures, Dynamical Systems and Symmetry

by Philip Holmes, John L. Lumley, Gal Berkooz
 

ISBN-10: 0521634199

ISBN-13: 9780521634199

Pub. Date: 08/28/1998

Publisher: Cambridge University Press

For turbulent flows at relatively low speeds there exists an excellent mathematical model in the incompressible Navier-Stokes equations. Why then is the "problem of turbulence" so difficult? One reason is that these nonlinear partial differential equations appear to be insoluble, except through numerical simulations, which offer useful approximations, but little

Overview

For turbulent flows at relatively low speeds there exists an excellent mathematical model in the incompressible Navier-Stokes equations. Why then is the "problem of turbulence" so difficult? One reason is that these nonlinear partial differential equations appear to be insoluble, except through numerical simulations, which offer useful approximations, but little direct understanding. Three recent developments offer new hope. First, the discovery by experimentalists of coherent structures in certain turbulent flows. Secondly, the suggestion that strange attractors and other ideas from finite dimensional dynamical systems theory might play a role in the analysis of the governing equations. And, finally, the introduction of the Karhunen Loève or proper orthogonal decomposition. This book introduces these developments and describes how they may be combined to create low-dimensional models of turbulence, resolving only the coherent structures. This book will interest engineers, especially in the aerospace, chemical, civil, environmental and geophysical areas, as well as physicists and applied mathematicians concerned with turbulence.

Product Details

ISBN-13:
9780521634199
Publisher:
Cambridge University Press
Publication date:
08/28/1998
Series:
Cambridge Monographs on Mechanics Series
Edition description:
New Edition
Pages:
440
Product dimensions:
5.98(w) x 8.98(h) x 0.91(d)

Table of Contents

Preface; Part I. Turbulence: 1. Introduction; 2. Coherent structures; 3. Proper orthogonal decomposition; 4. Galerkin projection; Part II. Dynamical Systems: 5. Qualitative theory; 6. Symmetry; 7. One-dimensional 'turbulence'; 8. Randomly perturbed systems; Part III. 9. Low-dimensional Models: 10. Behaviour of the models; Part IV. Other Applications and Related Work: 11. Some other fluid problems; 12. Review: prospects for rigor; Bibliography.

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