Elastic Waves In Random Media PDF Download
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Author | : Serge A. Shapiro |
Publisher | : Springer |
Total Pages | : 216 |
Release | : 1999 |
Genre | : Nature |
ISBN | : |
Download Elastic Waves in Random Media Book in PDF, ePub and Kindle
This book treats various generalizations of the classical O'Doherty-Anstey formula in order to describe stratigraphic filtering effects. These are the effects that can be observed when elastic and electromagnetic waves propagate through multilayered structures. Our aim was to treat this topic in a comprehensive manner and present compact results in a didactically simple way, emphasizing the physics of the wave-propagation phenomena. We do not claim mathematical rigidity in all our derivations, however, we are pleased to have obtained quite simple descriptions of scattering, transmission and reflection of wavefields in acoustic, elastic, and poroelastic media which can be useful for various seismological and non-seismological applications.
Author | : K. Sobczyk |
Publisher | : Elsevier |
Total Pages | : 257 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0444598049 |
Download Stochastic Wave Propagation Book in PDF, ePub and Kindle
This is a concise, unified exposition of the existing methods of analysis of linear stochastic waves with particular reference to the most recent results. Both scalar and vector waves are considered. Principal attention is concentrated on wave propagation in stochastic media and wave scattering at stochastic surfaces. However, discussion extends also to various mathematical aspects of stochastic wave equations and problems of modelling stochastic media.
Author | : Norbert Gold |
Publisher | : |
Total Pages | : 106 |
Release | : 1997 |
Genre | : |
ISBN | : |
Download Theoretical and Numerical Description of the Propagation of Elastic Waves in Random Media Book in PDF, ePub and Kindle
Author | : Yuan Zhang |
Publisher | : |
Total Pages | : 222 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download Elastic Wave Scattering from Bounded Media with Random Microstructures Book in PDF, ePub and Kindle
A first-order Born approximation is utilized to solve the direct and inverse scattering problems of bounded infinite media with random microstructures. The inhomogeneities of the media properties due to their microstructures are assumed to be small. Relatively simple relations are obtained between the mean-square incoherently singly-scattered signal intensities and the spectral density functions of the media inhomogeneities. These simple formulas can be applied straightforwardly to the nondestructive characterization of material microstructures. Special cases of scattering from an infinite random fluid layer, a flat solid plate and a solid half-space immersed in fluid are studied in the present work. The analyses are valid for materials with random microstructures in general, but our interest here is in polycrystalline materials and detailed analytical and numerical results are given for cubic crystal aggregates. Although the first Born single-scattering approximation is not valid for infinite media in general, we find that it can be applied to some cases, such as those studied here, with satisfaction. It is proved that the validity of the first Born approximation is guaranteed for infinite-layer scattering problems as long as the thickness of the layer is small. As for the case of surface wave scattering from a solid half-space, the applicability of the first Born approximation is evident from the fact that leaky surface wave propagation is a very localized phenomenon. Resonances can occur in the cases investigated here when measuring the scattered signal near some incoherent directions. Due to resonant phenomena one can achieve relatively strong incoherently scattered signals which are otherwise very weak.
Author | : V. V. Varadan |
Publisher | : Technomic Publishing Company |
Total Pages | : 974 |
Release | : 1987 |
Genre | : Science |
ISBN | : |
Download Multiple Scattering of Waves in Random Media and Random Rough Surfaces Book in PDF, ePub and Kindle
Author | : F. McCarthy |
Publisher | : Elsevier |
Total Pages | : 663 |
Release | : 2018-06-20 |
Genre | : Technology & Engineering |
ISBN | : 1483290662 |
Download Elastic Wave Propagation Book in PDF, ePub and Kindle
This volume contains a timely collection of research papers on the latest developments in the ever-increasing use of elastic waves in a variety of contexts. There are reports on wave-propagation in various types of media: in both isotropic and anisotropic bodies; in homogeneous and inhomogeneous media; in media with cracks or inclusions in random media; and in layered composites.The bulk of the papers are concerned with propagation in elastic media, but also included are viscoelastic, thermoelastic and magneto-electroelastic wave propagation, as well as waves in porous and piezo-electric bodies. Consideration is given to propagation in bodies as diverse as stretched elastic strings to surfaces such as thin walled cylinders, and thin films under stress. Applications considered include the determination of the depth of cracks; analysis of ground motions generated by a finite fault in seismology; surface wave spreading on piezo-electric solids; and dynamical stress intensity factors. Most of the papers are theoretical in nature, and many are complemented by numerical studies. Also included are a general survey on experimental techniques, and reports on experimental work.The volume will be of interest to those who do theoretical studies of elastic wave propagation and to those who apply elastic waves whether in seismology, non-destructive testing, the fabrication of devices or underwater acoustics, etc.
Author | : Christopher N. Layman |
Publisher | : |
Total Pages | : 330 |
Release | : 2007 |
Genre | : |
ISBN | : |
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Author | : DANIEL ROYER |
Publisher | : Springer Science & Business Media |
Total Pages | : 468 |
Release | : 1999-11-30 |
Genre | : Science |
ISBN | : 9783540659310 |
Download Elastic Waves in Solids II Book in PDF, ePub and Kindle
Elastic waves possess some remarkable properties and have become ever more important to applications in fields such as telecommunications (signal processing), medicine (echography), and metallurgy (non-destructive testing). These volumes serve as a bridge between basic books on wave phenomena and more technically oriented books on specific applications of wave phenomena. The first volume studies the different mechanisms of propagation in isotropic and anisotropic media. The second volume describes the generation and applications of free and guided waves.
Author | : Akira Ishimaru |
Publisher | : |
Total Pages | : 360 |
Release | : 1978 |
Genre | : Diffusion |
ISBN | : |
Download Wave Propagation and Scattering in Random Media Book in PDF, ePub and Kindle
Wave Propagation and Scattering in Random Media, Volume 2, presents the fundamental formulations of wave propagation and scattering in random media in a unified and systematic manner. The topics covered in this book may be grouped into three categories: waves in random scatterers, waves in random continua, and rough surface scattering. Random scatterers are random distributions of many particles. Examples are rain, fog, smog, hail, ocean particles, red blood cells, polymers, and other particles in a state of Brownian motion. Random continua are the media whose characteristics vary randomly an ...
Author | : DANIEL ROYER |
Publisher | : Springer Science & Business Media |
Total Pages | : 394 |
Release | : 1999-11-29 |
Genre | : Science |
ISBN | : 9783540659327 |
Download Elastic Waves in Solids I Book in PDF, ePub and Kindle
Elastic waves possess some remarkable properties and have become ever more important to applications in fields such as telecommunications (signal processing), medicine (echography), and metallurgy (non-destructive testing). These volumes serve as a bridge between basic books on wave phenomena and more technically oriented books on specific applications of wave phenomena. The first volume studies the different mechanisms of propagation in isotropic and anisotropic media. The second volume describes the generation and applications of free and guided waves.