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Wave Fields in Real Media

Wave Fields in Real Media Book
Author : José M. Carcione
Publisher : Elsevier
Release : 2014-12-08
ISBN : 0081000030
Language : En, Es, Fr & De

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Book Description :

Authored by the internationally renowned José M. Carcione, Wave Fields in Real Media: Wave Propagation in Anisotropic, Anelastic, Porous and Electromagnetic Media examines the differences between an ideal and a real description of wave propagation, starting with the introduction of relevant stress-strain relations. The combination of this relation and the equations of momentum conservation lead to the equation of motion. The differential formulation is written in terms of memory variables, and Biot's theory is used to describe wave propagation in porous media. For each rheology, a plane-wave analysis is performed in order to understand the physics of wave propagation. This book contains a review of the main direct numerical methods for solving the equation of motion in the time and space domains. The emphasis is on geophysical applications for seismic exploration, but researchers in the fields of earthquake seismology, rock acoustics, and material science - including many branches of acoustics of fluids and solids - may also find this text useful. New to this edition: This new edition presents the fundamentals of wave propagation in Anisotropic, Anelastic, Porous Media while also incorporating the latest research from the past 7 years, including that of the author. The author presents all the equations and concepts necessary to understand the physics of wave propagation. These equations form the basis for modeling and inversion of seismic and electromagnetic data. Additionally, demonstrations are given, so the book can be used to teach post-graduate courses. Addition of new and revised content is approximately 30%. Examines the fundamentals of wave propagation in anisotropic, anelastic and porous media Presents all equations and concepts necessary to understand the physics of wave propagation, with examples Emphasizes geophysics, particularly, seismic exploration for hydrocarbon reservoirs, which is essential for exploration and production of oil

Wave Fields in Real Media

Wave Fields in Real Media Book
Author : José M. Carcione
Publisher : Elsevier
Release : 2001-10-15
ISBN : 9780080543710
Language : En, Es, Fr & De

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Book Description :

This book examines the differences between an ideal and a real description of wave propagation, where ideal means an elastic (lossless), isotropic and single-phase medium, and real means an anelastic, anisotropic and multi-phase medium. The analysis starts by introducing the relevant stress-strain relation. This relation and the equations of momentum conservation are combined to give the equation of motion. The differential formulation is written in terms of memory variables, and Biot's theory is used to describe wave propagation in porous media. For each rheology, a plane-wave analysis is performed in order to understand the physics of wave propagation. The book contains a review of the main direct numerical methods for solving the equation of motion in the time and space domains. The emphasis is on geophysical applications for seismic exploration, but researchers in the fields of earthquake seismology, rock acoustics, and material science - including many branches of acoustics of fluids and solids - may also find this text useful.

Wave Fields in Real Media

Wave Fields in Real Media Book
Author : José M. Carcione
Publisher : Elsevier
Release : 2007-01-24
ISBN : 9780080468907
Language : En, Es, Fr & De

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Book Description :

This book examines the differences between an ideal and a real description of wave propagation, where ideal means an elastic (lossless), isotropic and single-phase medium, and real means an anelastic, anisotropic and multi-phase medium. The analysis starts by introducing the relevant stress-strain relation. This relation and the equations of momentum conservation are combined to give the equation of motion. The differential formulation is written in terms of memory variables, and Biot's theory is used to describe wave propagation in porous media. For each rheology, a plane-wave analysis is performed in order to understand the physics of wave propagation. The book contains a review of the main direct numerical methods for solving the equation of motion in the time and space domains. The emphasis is on geophysical applications for seismic exploration, but researchers in the fields of earthquake seismology, rock acoustics, and material science - including many branches of acoustics of fluids and solids - may also find this text useful. * Presents the fundamentals of wave propagation in anisotropic, anelastic and porus media * Contains a new chapter on the analogy between acoustic and electromagnetic waves, incorporating the subject of electromagnetic waves * Emphasizes geophysics, particularly, seismic exploration for hydrocarbon reservoirs, which is essential for exploration and production of oil

Caustics Catastrophes and Wave Fields

Caustics  Catastrophes and Wave Fields Book
Author : Yu.A. Kravtsov,Yu.I. Orlov
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 3642598870
Language : En, Es, Fr & De

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Book Description :

Caustics, Catastrophes and Wave Fields in a sense continues the treatment of the earlier volume 6 "Geometrical Optics of Inhomogeneous Media" in the present book series, by analysing caustics and their fields on the basis of modern catastrophe theory. This volume covers the key generalisations of geometrical optics related to caustic asymptotic expansions: The Lewis-Kravtsov method of standard functions, Maslov's method of caonical operators, Orlov's method of interference integrals, as well as their modifications for penumbra, space-time, random and other types of caustics. All the methods are amply illustrated by worked problems concerning relevant wave-field applications.

Acoustic and Elastic Wave Fields in Geophysics

Acoustic and Elastic Wave Fields in Geophysics Book
Author : Alexander A. Kaufman,Anatoli L. Levshin
Publisher : Elsevier
Release : 2005
ISBN : 0080457681
Language : En, Es, Fr & De

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Book Description :

This monograph is the last volume in the series ''Acoustic and Elastic Wave Fields in Geophysics''. The previous two volumes published by Elsevier (2000, 2002) dealt mostly with wave propagation in liquid media. The third volume is dedicated to propagation of plane, spherical and cylindrical elastic waves in different media including isotropic and transversely isotropic solids, liquid-solid models, and media with cylindrical inclusions (boreholes). * Prevalence of physical reasoning on formal mathematical derivations * Readers do not need to have a strong background in mathematics and mathematical physics * Detailed analysis of wave phenomena in various types of elastic and liquid-elastic media

Computational Nondestructive Evaluation Handbook

Computational Nondestructive Evaluation Handbook Book
Author : Sourav Banerjee,Cara A.C. Leckey
Publisher : CRC Press
Release : 2020-06-01
ISBN : 0429853122
Language : En, Es, Fr & De

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Book Description :

Introducing computational wave propagation methods developed over 40 years of research, this comprehensive book offers a computational approach to NDE of isotropic, anisotropic, and functionally graded materials. It discusses recent methods to enable enhanced computational efficiency for anisotropic materials. It offers an overview of the need for and uses of NDE simulation. The content provides a basic understanding of ultrasonic wave propagation through continuum mechanics and detailed discussions on the mathematical techniques of six computational methods to simulate NDE experiments. In this book, the pros and cons of each individual method are discussed and guidelines for selecting specific simulation methods for specific NDE scenarios are offered. Covers ultrasonic CNDE fundamentals to provide understanding of NDE simulation methods Offers a catalog of effective CNDE methods to evaluate and compare Provides exercises on real-life NDE problems with mathematical steps Discusses CNDE for common material types, including isotropic, anisotropic, and functionally graded materials Presents readers with practical knowledge on ultrasonic CNDE methods This work is an invaluable resource for researchers, advanced students, and industry professionals across materials, mechanical, civil, and aerospace engineering, and anyone seeking to enhance their understanding of computational approaches for advanced material evaluation methods.

Doklady

Doklady Book
Author : Anonim
Publisher : Unknown
Release : 1975
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Translations of selections from: Akademii͡a nauk SSSR. Doklady.

Seismic Waves in Laterally Inhomogeneous Media

Seismic Waves in Laterally Inhomogeneous Media Book
Author : Ivan Psencik,Vlastislav Cerveny,Ludek Klimes
Publisher : Birkhäuser
Release : 2012-12-06
ISBN : 3034892136
Language : En, Es, Fr & De

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Book Description :

The special issue contains contributions presented at the international workshop Seismic waves in laterally inhomo- geneous media IV, which was held at the Castle of Trest, Czech Republic, May 22-27, 1995. The workshop, which was attended by about 100 seismologists from more than 10 countries, was devoted mainly to the current state of theoretical and computational means of study of seismic wave propagation in complex structures. The special issue can be of interest for theoretical, global and explorational seismologists. The first part contains papers dealing with the study and the use of various methods of solving forward and inverse problems in complicated structures. Among other methods, discrete-wave number method, the finite-difference method, the edge-wave supperposition method and the ray method are studied and used. Most papers contained in the second part are related to the ray method. The most important topics are two-point ray tracing, grid calculations of travel times and amplitudes and seismic wave propagation in anisotropic media.

Seismic Wave Propagation in Real Media

Seismic Wave Propagation in Real Media Book
Author : Inna Solomonovna Berzon
Publisher : Unknown
Release : 1969
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Seismic Wave Propagation in Real Media book written by Inna Solomonovna Berzon, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Wave Propagation in Laterally Varying Media A Model Expansion Method

Wave Propagation in Laterally Varying Media  A Model Expansion Method Book
Author : Anonim
Publisher : Unknown
Release : 1991
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

A general approach, using modes defined on subregions of the medium, has been developed to model seismic wave propagation in media with vertically and horizontally acoustic waves in fluid media and electromagnetic wave propagation in laterally varying media. The restriction on the medium variability is that it can be represented by step function variations in its properties in both the vertical and horizontal directions. The basic method makes use of normal mode expansion of the wave field in each partitioned sub- region of the medium within which the medium is uniform in the lateral directions. Thus the medium is partitioned into laterally uniform zones and complete normal mode solutions are obtained for each horizontally layered zone. In the analytical development the zonal eigenvalues and eigenfunctions are generated by treating each zone as a layered half space or radially layered sphere, as is appropriate for medium geometry. The resulting set of modes are then used as a basis for expansions of the wave fields in the layered subregions. The modes are then used as bases for expansions of the wave fields in each zone at the common boundaries between the zones where continuity of displacement and traction is required. This results in the definition of a lateral propagator of the wave field when applied to all the zones making up the entire medium and is, in application, very similar to the classical vertical propagator method. This method is exact when the lateral variations are actually discontinuous step changes in properties. When the actual changes can be approximated as a sequence of steps, the method should be superior in computational accuracy and speed to numerical methods.

Seismic Wave Propagation in Real Media

Seismic Wave Propagation in Real Media Book
Author : S. Berzon
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1475704836
Language : En, Es, Fr & De

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Book Description :

Until recently, the interpretation of data obtained in seismic exploration has been based on comparatively simple representations of the Earth. The most commonly used representation for the Earthhas been a set of thick layers, each characterized by a single value for the propa gation speed of seismic waves. During the last several years, more complicated representa tions in the form of thin layers with vertical velocity gradients, as weIl as homogeneous thin layers have been considered. New methods for studying propagation speeds in a medium, particularly ultrasonic logging methods, and the results of theoretical and experimental studies of the dynamic characteristics of seismic waves have revealed that areal Earth is considerably more complicated than the simple models accepted in the past. This has led to a need for more realistic representations of the real Earth as a medium through wh ich seismic waves propagate. Because of this, tlie Department of Seismic Exploration Methods of the Institute of Physics of the Earth of the Acad emy of Sciences of the USSR has been carrying out both experimental and theoretical studies on the topic "Selection of Physical Representations of Actual Media and the Study of the Correspond ing Wave Propagation Effects. " Three major subdivisions have been recognized within this over all pro gram: 1. The establishment of a direct relationship between the structure of a real medium and the basic wave-propagation characteristics.

Geophysics Today

Geophysics Today Book
Author : Anonim
Publisher : SEG Books
Release : 2010
ISBN : 156080226X
Language : En, Es, Fr & De

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Book Description :

Download Geophysics Today book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

The Seismics of Heterogeneous and Turbid Media

The Seismics of Heterogeneous and Turbid Media Book
Author : Alekseĭ Vsevolodovich Nikolaev
Publisher : Coronet Books
Release : 1975
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Seismics of Heterogeneous and Turbid Media book written by Alekseĭ Vsevolodovich Nikolaev, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Acoustic and Elastic Wave Fields in Geophysics

Acoustic and Elastic Wave Fields in Geophysics Book
Author : Avital Kaufman,A.L. Levshin
Publisher : Elsevier Science
Release : 2000-03-16
ISBN : 9780444503367
Language : En, Es, Fr & De

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Book Description :

This book is dedicated to basic physical principles of the propagation of acoustic and elastic waves. It consists of two volumes. The first volume includes 8 chapters and extended Appendices explaining mathematical aspects of discussed problems. The first chapter is devoted to Newton's laws, which, along with Hooke's law, govern the behavior of acoustic and elastic waves. Basic concepts of mechanics are used in deriving equations which describe wave phenomena. The second and third chapters deal with free and forced vibrations as well as wave propagation in one dimension along the system of elementary masses and springs which emulates the simplest elastic medium. In addition, shear waves propagation along a finite and infinite string are discussed. In chapter 4 the system of equations describing compressional waves is derived. The concepts of the density of the energy carried by waves, the energy flux, and the Poynting vector are introduced. Chapter 5 is dedicated to propagation of spherical, cylindrical, and plane waves in homogeneous media, both in time and frequency domains. Chapter 6 deals with interference and diffraction. The treatment is based on Helmholtz and Kirchhoff formulae. The detailed discussion of Fresnel's and Huygens's principles is presented. In Chapter 7 the effects of interference of waves with close wave numbers and frequencies are considered. Concepts such as the wave group, the group velocity, and the stationary phase important for understanding propagation of dispersive waves are introduced. The final chapter of the first volume is devoted to the principles of geometrical acoustics in inhomogeneous media.

Caustics Catastrophes and Wave Fields

Caustics  Catastrophes and Wave Fields Book
Author : Yu.A. Kravtsov,Yu.I. Orlov
Publisher : Springer
Release : 2011-10-12
ISBN : 9783642641671
Language : En, Es, Fr & De

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Book Description :

Caustics, Catastrophes and Wave Fields in a sense continues the treatment of the earlier volume 6 "Geometrical Optics of Inhomogeneous Media" in the present book series, by analysing caustics and their fields on the basis of modern catastrophe theory. This volume covers the key generalisations of geometrical optics related to caustic asymptotic expansions: The Lewis-Kravtsov method of standard functions, Maslov's method of caonical operators, Orlov's method of interference integrals, as well as their modifications for penumbra, space-time, random and other types of caustics. All the methods are amply illustrated by worked problems concerning relevant wave-field applications.

Acoustic and Elastic Wave Fields in Geophysics III

Acoustic and Elastic Wave Fields in Geophysics  III Book
Author : Alex A. Kaufman,A.L. Levshin
Publisher : Elsevier
Release : 2000
ISBN : 9780444519559
Language : En, Es, Fr & De

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Book Description :

This monograph is the last volume in the series 'Acoustic and Elastic Wave Fields in Geophysics'. The previous two volumes published by Elsevier (2000, 2002) dealt mostly with wave propagation in liquid media. The third volume is dedicated to propagation of plane, spherical and cylindrical elastic waves in different media including isotropic and transversely isotropic solids, liquid-solid models, and media with cylindrical inclusions (boreholes). * Prevalence of physical reasoning on formal mathematical derivations * Readers do not need to have a strong background in mathematics and mathematical physics * Detailed analysis of wave phenomena in various types of elastic and liquid-elastic media

Stochastic Seismology

Stochastic Seismology Book
Author : Anonim
Publisher : Unknown
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic Seismology book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Wave Scattering in Complex Media From Theory to Applications

Wave Scattering in Complex Media  From Theory to Applications Book
Author : Bart A. van Tiggelen,Serguei Skipetrov
Publisher : Springer Science & Business Media
Release : 2003-07-31
ISBN : 9781402013942
Language : En, Es, Fr & De

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Book Description :

A collection of lectures on a variety of modern subjects in wave scattering, including fundamental issues in mesoscopic physics and radiative transfer, recent hot topics such as random lasers, liquid crystals, lefthanded materials and time-reversal, as well as modern applications in imaging and communication. There is a strong emphasis on the interdisciplinary aspects of wave propagation, including light and microwaves, acoustic and elastic waves, propagating in a variety of "complex" materials (liquid crystals, media with gain, natural media, magneto-optical media, photonic and phononic materials, etc.). It addresses many different items in contemporary research: mesoscopic fluctuations, localization, radiative transfer, symmetry aspects, and time-reversal. It also discusses new (potential) applications in telecommunication, soft matter and imaging.

Soviet bloc Research in Geophysics Astronomy and Space

Soviet bloc Research in Geophysics  Astronomy  and Space Book
Author : Anonim
Publisher : Unknown
Release : 1972
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Soviet bloc Research in Geophysics Astronomy and Space book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.