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Seismic Strong Motion Synthetics
1st Edition - April 28, 1987
Editor: Bruce Bolt
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 1 5 5 4 7 - 2
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… Read more
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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.
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
- No. of pages: 336
- Language: English
- Published: April 28, 1987
- Imprint: Academic Press
- eBook ISBN: 9780323155472