Wave Fields in Real Media, Volume 31

1st Edition

Wave Propagation in Anisotropic, Anelastic and Porous Media

Editors: José M. Carcione
Hardcover ISBN: 9780080439297
eBook ISBN: 9780080543710
Imprint: Pergamon
Published Date: 15th October 2001
Page Count: 414
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Table of Contents

Preface. Acknowledgments. About the author. Basic notation. Glossary of main symbols. 1. Anisotropic elastic media. 1.1. Strain-energy density and stress-strain relation. 1.2 Dynamical equations. 1.3 Kelvin-Christoffel equation, phase velocity and slowness. 1.4 Energy balance and energy velocity. 1.5 Finely layered media. 1.6 Anomalous polarizations. 1.7 Analytical solutions for transversely isotropic media. 1.8 Reflection and transmission of plane waves. 2. Viscoelasticity and wave propagation. 2.1 Energy densities and stress-strain relations. 2.2 Stress-strain relation for 1-D viscoelastic media. 2.3 Wave propagation concepts for 1-D viscoelastic media. 2.4 Mechanical models and wave propagation. 2.5 Constant-Q model and wave equation. 2.6 Memory variable and equation of motion. 3. Isotropic anelastic media. 3.1 Stress-strain relation. 3.2 Equations of motion and dispersion relations. 3.3 Vector plane waves. 3.4 energy balance, energy velocity and quality factor. 3.5 Boundary conditions and Snell's law. 3.6 The correspondence principle. 3.7 Rayleigh waves. 3.8 Reflection and transmission of cross-plane shear waves. 3.9 Memory variables and equation of motion. 3.10 Analytical solutions. 3.11 The elastodynamic of a non-ideal interface. 4. Anisotropic anelastic media. 4.1 Stress-strain relations. 4.2 Wave velocities, slowness and attenuation vector. 4.3 Energy balance and fundamental relations. 4.4 The physics of wave propagation for viscoelastic SH waves.

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.


Details

No. of pages:
414
Language:
English
Copyright:
© Pergamon 2001
Published:
Imprint:
Pergamon
eBook ISBN:
9780080543710
Hardcover ISBN:
9780080439297

About the Editors

José M. Carcione Editor

José M. Carcione was born in Buenos Aires, Argentina. He received the degree "Licenciado in Ciencias Físicas" from Buenos Aires University in 1978, the degree "Dottore in Fisica" from Milan University in 1984 and the PhD in Geophysics from Tel-Aviv University in 1987. This year he was awarded the Alexander von Humboldt scholarship for a position at the Geophysical Institute of Hamburg University, where he stayed from 1987 to 1989. From 1978 to 1980 he worked at the "Comisión Nacional de Energía Atómica" at Buenos Aires. From 1981 to 1987 he was a research geophysicist at "Yacimientos Petrolíferos Fiscales", the national oil company of Argentina. Presently, he is a senior geophysicist at the "Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS)" (former "Osservatorio Geofisico Sperimentale") in Trieste. He is the author of the books “Wave fields in real media: Theory and numerical simulation of wave propagation in anisotropic, anelastic, porous and electromagnetic media” (Pergamon Press, 2001; Elsevier Science, 2007, 2015) and "Seismic exploration of hydrocarbons in heterogeneous reservoirs: New theories, methods and applications" (Elsevier Science, 2015), and has published more than 240 peer-reviewed articles. Carcione has been a member of the commission (GEV04) for evaluation of Italian research in the field of Earth Sciences (ANVUR) in the period 2004-2010. Ranked among the top 100 Italian scientists: http://www.topitalianscientists.org/Top_italian_scientists_VIA-Academy.aspx Private webpage: http://www.lucabaradello.it/carcione/ His current research deals with numerical modeling, the theory of wave propagation in acoustic and electromagnetic media, and their application to geophysics.

Affiliations and Expertise

Istituto Nazionale di Oceangrafia e di Geofisica Sperimentale (OGS), Trieste, Italy