Modulation of an Internal Gravity Wave Packet in a Stratified Shear Flow PDF Download
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Author: Roger Grimshaw
Publisher:
ISBN:
Category : Gravitational waves
Languages : en
Pages : 38
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Book Description
Author: Roger Grimshaw
Publisher:
ISBN:
Category : Gravitational waves
Languages : en
Pages : 38
Get Book Here
Book Description
Author: Roger Grimshaw
Publisher:
ISBN:
Category : Gravitational waves
Languages : en
Pages : 116
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 814
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Book Description
Author: Vladimir Stanislavovich Maderich
Publisher:
ISBN:
Category : Stratified flow
Languages : en
Pages : 276
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Book Description
Author: A L Fabrikant
Publisher: World Scientific
ISBN: 981450128X
Category : Science
Languages : en
Pages : 305
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Book Description
The state of the art in a theory of oscillatory and wave phenomena in hydrodynamical flows is presented in this book. A unified approach is used for waves of different physical origins. A characteristic feature of this approach is that hydrodynamical phenomena are considered in terms of physics; that is, the complement of the conventionally employed formal mathematical approach. Some physical concepts such as wave energy and momentum in a moving fluid are analysed, taking into account induced mean flow. The physical mechanisms responsible for hydrodynamic instability of shear flows are considered within the concept of negative energy waves. The phenomenon of over-reflection is analysed. A number of well-known theorems of the hydrodynamic theory of stability are interpreted in terms of the interaction of the waves having different energy signs. Attention is drawn to the plasma-hydrodynamic analogy, which is a powerful tool for physical analyses of general mechanisms of wave amplification and absorption in flows. Various wave-flow interaction problems are considered, for instance, sound generation in whistlers, wave scattering and amplification by vortices, methods of wave remote sounding, and some nonlinear dynamical and chaotic phenomena.The book is intended for researchers specializing in wave theory, aeroacoustics, geophysical and astrophysical fluid dynamics, and related fields. It may also be useful to graduate and post-graduate students as a supplement to standard lecture courses.
Author: Roger Hamilton James Grimshaw
Publisher:
ISBN:
Category : Wave-motion, Theory of
Languages : en
Pages : 40
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Author: Igor T. Selezov
Publisher: Springer
ISBN: 9811049238
Category : Science
Languages : en
Pages : 251
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Book Description
This book presents two distinct aspects of wave dynamics – wave propagation and diffraction – with a focus on wave diffraction. The authors apply different mathematical methods to the solution of typical problems in the theory of wave propagation and diffraction and analyze the obtained results. The rigorous diffraction theory distinguishes three approaches: the method of surface currents, where the diffracted field is represented as a superposition of secondary spherical waves emitted by each element (the Huygens–Fresnel principle); the Fourier method; and the separation of variables and Wiener–Hopf transformation method. Chapter 1 presents mathematical methods related to studying the problems of wave diffraction theory, while Chapter 2 deals with spectral methods in the theory of wave propagation, focusing mainly on the Fourier methods to study the Stokes (gravity) waves on the surface of inviscid fluid. Chapter 3 then presents some results of modeling the refraction of surf ace gravity waves on the basis of the ray method, which originates from geometrical optics. Chapter 4 is devoted to the diffraction of surface gravity waves and the final two chapters discuss the diffraction of waves by semi-infinite domains on the basis of method of images and present some results on the problem of propagation of tsunami waves. Lastly, it provides insights into directions for further developing the wave diffraction theory.
Author: Bruce Sutherland
Publisher: Cambridge University Press
ISBN: 0521839157
Category : Science
Languages : en
Pages : 395
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Book Description
The first comprehensive treatment of the theory for small and large amplitude internal gravity waves, with illustrative examples and exercises.
Author: Bruce R. Sutherland
Publisher: Cambridge University Press
ISBN: 1316184323
Category : Science
Languages : en
Pages : 395
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Book Description
The study of internal gravity waves provides many challenges: they move along interfaces as well as in fully three-dimensional space, at relatively fast temporal and small spatial scales, making them difficult to observe and resolve in weather and climate models. Solving the equations describing their evolution poses various mathematical challenges associated with singular boundary value problems and large amplitude dynamics. This book provides the first comprehensive treatment of the theory for small and large amplitude internal gravity waves. Over 120 schematics, numerical simulations and laboratory images illustrate the theory and mathematical techniques, and 130 exercises enable the reader to apply their understanding of the theory. This is an invaluable single resource for academic researchers and graduate students studying the motion of waves within the atmosphere and ocean, and also mathematicians, physicists and engineers interested in the properties of propagating, growing and breaking waves.
Author: Martin Richard Collyer
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
