Elastic Waves: High Frequency Theory, 1st Edition (Hardback) book cover

Elastic Waves

High Frequency Theory, 1st Edition

By Vassily Babich, Aleksei Kiselev

Chapman and Hall/CRC

286 pages | 27 B/W Illus.

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Hardback: 9781138033061
pub: 2018-03-27
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Description

Elastic Waves: High Frequency Theory is concerned with mathematical aspects of the theory of high-frequency elastic waves, which is based on the ray method. The foundations of elastodynamics are presented along with the basic theory of plane and spherical waves. The ray method is then described in considerable detail for bulk waves in isotropic and anisotropic media, and also for the Rayleigh waves on the surface of inhomogeneous anisotropic elastic solids. Much attention is paid to analysis of higher-order terms and to generation of waves in inhomogeneous media. The aim of the book is to present a clear, systematic description of the ray method, and at the same time to emphasize its mathematical beauty. Luckily, this beauty is usually not accompanied by complexity and mathematical ornateness.

Table of Contents

Preface

Introduction

Chapter 1. Basic notions of elastodynamics

Chapter 2. Plane waves

Chapter 3. Point sources and spherical waves in homogeneous isotropic media

Chapter 4. The ray method for volume waves in isotropic media

Chapter 5. The ray method for volume waves in anisotropic media

Chapter 6. Point sources in inhomogeneous isotropic media. The wave S from a center of expansion. The wave P from a center of rotation

Chapter 7. The "nongeometrical" wave S *

Chapter 8. The ray method for Rayleigh waves

A.1. Definition of tensor

A.2. Simple operations with tensors

A.3. Metric tensor. Raising and lowering indices

A.4. Coordinates (q1, q2, n) associated with a surface in R3. The first and second fundamental forms

A.5. Covariant derivative. Divergence

About the Authors

Vassily M. Babich is a leading Russian expert in mathematical theory of diffraction and wave propagation. He is a co-author of ten monographs, and is the head of the laboratory of Mathematical Methods in Geophysics in the St. Petersburg branch of the Steklov Institute of Mathematics, as well as a part-time Professor at the Mathematical Faculty of St. Petersburg State University.

Aleksei P. Kiselev has authored around 100 papers in diffraction and propagation of waves. He previously worked in seismic exploration, and in mechanical engineering at Leningrad (St. Petersburg). He is now a leading researcher in the Babich Laboratory, a part-time Professor at the Physical Faculty of St. Petersburg State University and a part-time researcher in the Institute of Mechanical Engineering.

About the Series

Chapman & Hall/CRC Monographs and Research Notes in Mathematics

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Subject Categories

BISAC Subject Codes/Headings:
MAT003000
MATHEMATICS / Applied
MAT004000
MATHEMATICS / Arithmetic