Seismic Strong Motion Synthetics - 1st Edition - ISBN: 9780121122515, 9780323155472

Seismic Strong Motion Synthetics

1st Edition

Editors: Bruce Bolt
eBook ISBN: 9780323155472
Imprint: Academic Press
Published Date: 28th April 1987
Page Count: 336
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Description

Seismic Strong Motion Synthetics describes the methods of modeling the production of strong seismic ground motions by realistic seismic sources. Organized into six chapters, this book highlights the different ways of numerical treatment and the available computationally rapid and conceptually simple algorithms. The introductory chapter describes the intense bursts of radiation emitted during sudden changes in the rupture-front velocity occurring when the zone of slip reaches regions of differing stress drop. This topic is followed by an overview of the observations of seismic waves close to the fault and a discussion on the application of kinematic dislocation models to the synthesis of strong ground motion, such as the representation theorem and methods of theoretical and semi-empirical synthesis. A chapter deals with dynamic shear cracks with an emphasis on numerical modeling of complete three-dimensional, spontaneous rupture processes not only in an infinite, homogeneous medium but also in a homogeneous half-space or horizontally layered medium. This book also describes a tool capable of synthesizing strong motion records from a basic understanding of fault mechanics and seismic-wave propagation in the earth. The text further examines the calculation of ground motions at locations near to large earthquakes. The concluding chapter explores the methods of computing the motions that result from elastic waves propagating through complex structures. This book is an advanced text on numerical modeling for use in graduate and upper-division courses in physics, geophysics, and earthquake engineering.

Table of Contents


Preface

Chapter 1 Asymptotic Modeling of Strong Ground Motion Excited by Subsurface Sliding Events

I. Introduction

II. Dynamic Fracture Mechanics

III. Canonical Problems

IV. Near-Field Ground Motions

V. Far-Field Ground Motions

VI. Summary

Appendix A. The Rayleigh-Wave Components of the Green's Tensor

Appendix B. Evaluation of the Representation Integral

References

Chapter 2 Array Analysis and Synthesis Mapping of Strong Seismic Motion

I. Prediction of Strong Ground Motion

II. Signal Estimation and Detection

III. Wave Coherence

IV. Synthesis Mapping

V. Computational Results

References

Chapter 3 Numerical Modeling of Realistic Fault Rupture Processes

I. Introduction

II. Synthesis from Kinematic Dislocation Models

III. Three-Dimensional Modeling of Spontaneous Fault Rupture Processes

IV. Summary

References

Chapter 4 Complete Strong Motion Synthetics

I. Introduction

II. Automatic Computation of Eigenvalues and Eigenfunctions

III. Examples of Computation of Synthetic Signals

IV. Comparison with Real Data

V. Conclusions

References

Chapter 5 Techniques for Earthquake Ground-Motion Calculation with Applications to Source Parameterization to Finite Faults

I. Introduction

II. The Fault Surface Integral

III. Examples of Finite Fault Calculations

References

Chapter 6 Path Effects in Strong Motion Seismology

I. Introduction

II. Explosion Sources

III. Earthquake Sources

IV. Earthquake Applications

V. Summary

References

Index


Details

No. of pages:
336
Language:
English
Copyright:
© Academic Press 1987
Published:
Imprint:
Academic Press
eBook ISBN:
9780323155472

About the Editor

Bruce Bolt