内容提要 《岩体各向异性动态破裂与地震评估(英文版)》介绍地震学和地球物理研究领域的实用方法和技术。全书共6章,分别由国外大学和国内研究所从事地震前沿工作的研究人员和博士生导师撰写。内容涵盖: 岩体各向异性,横波分裂、裂隙介质中的三维射线跟踪方法及应用 岩体破碎过程的离散元模拟方法、精示地震中岩体胀缩比和内摩擦角 岩石动态破裂学分析地震核化和应力重新分布 地震评估中震矩和断层测量参数之间的线性回归分析与实倒 图像信息统计方法和地震概率相对增量逆向跟踪与实例 全地震信息的概率分析与太平洋岛国震灾评估 《岩体各向异性动态破裂与地震评估(英文版)》作者分别在各章节中对上述方法作了详尽阐述和公式推演,并给出了应用实例。理论与实践融合贯通。《岩体各向异性动态破裂与地震评估(英文版)》适合作为高等院校地球物理和地震学研究生教学课程的参考书,也可供地震领域研究人员借鉴。 目录 Rock Anisotropy, Fracture and Earthquake AssessmentSeismic Wave Propagation in Anisotropic Rocks withApplications to Defining Fractures in Earth Crust1.1 Introduction1.2 Elastic Anisotropy of Crustal Rocks1.2.1 Anisotropic Symmetry System1.2.2 Transversely Isotropic Medium1.2.3 Anisotropy of Fractured Rock1.3 Plane Wave Propagation in Homogeneous Anisotropic Medium1.3.1 Phase Velocities of Body Waves in Anisotropic Media1.3.2 Group Velocities of Body Waves in Anisotropic Media1.3.3 Body Wave Polarizations1.4 Reflection and Refraction of Plane Waves at a Planar Boundary between Anisotropic Media1.4.1 Slowness Surface Method1.4.2 Reflection and Transmission Coefficients1.5 Ray Tracing in Anisotropic Heterogeneous Media1.5.1 Ray Series Method1.5.2 Body-Wave Polarization1.5.3 Geometrical Spreading and Ray Amplitudes1.5.4 Specification of a Source and Ray Synthetic Seismogram1.5.5 Least-Squares Inverse for Traveltime1.6 Ray Series Modeling of Seismic Wave Propagation in 3-D Heterogamous Anisotropic Media1.6.1 The VSP Experiment at Hi Vista and Shear-Wave Splitting Observations1.6.2 Theory1.6.3 Traveltime and Amplitude Modeling Results 1011.7 Observation and Modeling of Fault-zone Fracture Seismic Anisotropy1.7.1 The Experiment and Data1.7.2 Seismic Wave Traveltimes in a Heterogeneous Anisotropic Medium1.7.3 Polarization of Plane Waves in an Aligned Fracture AnisotropicMedium1.8 Shear Wave Splitting Observations and Implications on Stress Regimes in the Los Angeles Basin, California1.8.1 Tectonic Significance and Geological Setting1.8.2 The Data and Method1.8.3 Implications from Shear Wave Splitting Observations1.8.4 Ray TracingAcknowledgementsReferences2 Reproducing the Realistic Compressive-tensile Strength Ratio of Rocks using Discrete Element Model2.1 Introduction2.2 A Brief Introduction to the ESyS-Particle2.2.1 The Equations of Particle Motion2.2.2 Force-displacement Laws and Calculation of Forces and Torques2.3 The New Criterion for Bond Breakage2.3.1 Macroscopic Failure Criterion2.3.2 Particle Scale Failure Criterion in DEM Model2.3.3 A New Failure Criterion for DEM2.4 Calibration Procedures 1522.4.1 Input Microscopic Parameters and the Desired Macroscopic Parameters2.4.2 Sample Generation2.4.3 Numerical Set-ups2.5 Parametric Studies2.5.1 Elastic Parameters2.5.2 Fracture Parameters2.6 Discussions and ConclusionsAcknowledgementsReferences3 Rock Fracture under Static and Dynamic Stress3.1 Introduction3.2 Stress Intensity Factor and Stress Field3.3 Coulomb-Mohr Failure Criterion3.4 Energy Release and J-integral3.4.1 Energy Release Rate3.4.2 J-integral3.5 Crack Growth3.5.1 Maximum Hoop Stress Theory3.5.2 Strain Energy Density Theory3.6 Crack Growth under Dynamic Loading3.6.1 Dynamic Crack Propagation in Rock3.7 Cohesive Model in Rock Fracture3.7.1 Stress Change in Slip-weakening Model3.7.2 Relationship between Energy Release Rate G and the Parameter in Slip-weakening Model3.8 Numeric Method for Fracture Mechanics3.8.1 Singularity Element Method3.8.2 Extended Finite Element Method3.9 DiscussionAcknowledgementsReferences4 Multiple Linear Regression Analyses on the Relationships among Magnitude, Rupture Length, Rupture Width, Rupture Area, and Surface Displacement4.1 Introduction4.2 Data4.3 Linear Models and Computational Approach4.4 Results4.4.1 Simple Linear Regression Results4.4.2 Multiple Linear Regression Results4.4.3 Model Diagnostics4.4.4 Comparison between Multiple Models and Simple Models4.4.5 Model Fits on the Slip Factors4.5 Concluding RemarksAcknowledgementsReferences5 PI Algorithm Applied to the Sichuan-Yunnan Region: A Statistical Physics Method for Intermediate-term Medium-range Earthquake Forecast in Continental China5.1 PI Algorithm5.1.1 Background and Basic Concepts5.1.2 Algorithm Validation5.1.3 Test of the Algorithm: ROC and Beyond5.2 The Sichuan-Yunnan Region5.2.1 Seismicity and Earthquake Catalogue5.2.2 Tectonic Setting5.2.3 The 2008 Wenchuan Earthquake5.3 PI Algorithm Applied to the Sichuan-Yunnan Region5.3.1 Parameter Setting5.3.2 Sliding Window Retrospective Test5.3.3 Ergodicity5.4 Discussion and Development of PI Application5.4.1 PI for Annual Estimate of Seismic Hazard: Useful, or Useless?5.4.2 The 2008 Wenchuan Earthquake: Miss, or Hit?5.4.3 Sichuan-Yunnan versus Andaman-Sumatra: Separate, or Connected?5.5 Concluding RemarksAcknowledgementsReferences6 Probabilistic Seismic Hazard Assessment for Pacific Island Countries6.1 Introduction6.2 Data6.2.1 Historical Earthquake Catalogs6.2.2 Subduction Segments, Crustal Faults and Geodetic GPS Data6.3 Kinematic Modeling Based on GPS and Active Faults Data6.4 Modeling the Regional Seismicity6.5 Probabilistic Seismic Hazard Maps6.6 DiscussionAcknowledgementsReferences 作者介绍
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