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Seismic Imaging, Fault Damage and Heal.
Presenting current approaches in observational and computational seismology, this book introduces advanced methods and techniques by means of case studies in earthquake research. Among others these include solving inverse seismologic problems, tomography for structure imaging, characterizing fault d...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Berlin :
De Gruyter,
2014.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Seismic Imaging, Fault Damage and Heal: An Overview; References; 1 Applications of Full-Wave Seismic Data Assimilation (FWSDA); 1.1 Numerical Solutions of Seismic Wave Equations; 1.1.1 Stable Finite-Difference Solutions on Non-Uniform, Discontinuous Meshes; 1.1.2 Accelerating Finite-Difference Methods Using GPUs; 1.1.3 The ADER-DG Method; 1.1.4 Accelerating the ADER-DG Method Using GPUs; 1.2 Automating the Waveform Selection Process for FWSDA; 1.2.1 Seismogram Segmentation; 1.2.2 Waveform Selection; 1.2.3 Misfit Measurement Selection.
- 1.2.4 Fréchet Kernels for Waveforms Selected in the Wavelet Domain1.3 Application of FWSDA in Southern California; 1.3.1 Waveform Selection on Ambient-Noise Green's Functions; 1.3.2 Waveform Selection on Earthquake Recordings; 1.3.3 Inversion Results after 18 times Adjoint Iteration; 1.4 Summary and Discussion; References; 2 Wavefield Representation, Propagation and Imaging Using Localized Waves: Beamlet, Curvelet and Dreamlet; 2.1 Introduction; 2.2 Phase-Space Localization and Wavelet Transform; 2.2.1 Time-Frequency Localization; 2.2.2 Time-Scale Localization.
- 2.2.3 Extension and Generalization of Time-Frequency, Time-Scale Localizations2.3 Localized Wave Propagators: From Beam to Beamlet; 2.3.1 Frame Beamlets and Orthonormal Beamlets; 2.3.2 Beamlet Spreading, Scattering and Wave Propagation in the Beamlet Domain; 2.3.3 Beam Propagation in Smooth Media with High-Frequency Asymptotic Solutions; 2.3.4 Beamlet Propagation in Heterogeneous Media by the Local Perturbation Approach; 2.4 Curvelet and Wave Propagation; 2.4.1 Curvelet and Its Generalization; 2.4.2 Fast Digital Transforms for Curvelets and Wave Atoms.
- 2.4.3 Wave Propagation in Curvelet Domain and the Application to Seismic Imaging2.5 Wave Packet: Dreamlets and Gaussian Packets; 2.5.1 Physical Wavelet and Wave-Packets; 2.5.2 Dreamlet as a Type of Physical Wavelet; 2.5.3 Seismic Data Decomposition and Imaging/Migration Using Dreamlets; 2.5.4 Gaussian Packet Migration and Paraxial Approximation of Dreamlet; 2.6 Conclusions; Acknowledgement; References; 3 Two-way Coupling of Solid-fluid with Discrete Element Model and Lattice Boltzmann Model; 3.1 Introduction; 3.2 Discrete Element Method and the ESyS-Particle Code.
- 3.2.1 A Brief Introduction to the Open Source DEM Code: The ESyS-Particle3.2.2 The Basic Equations; 3.2.3 Contact Laws and Particle Interaction; 3.2.4 Fracture Criterion; 3.3 Lattice Boltzmann Method; 3.3.1 The Basic Principle of LBM; 3.3.2 Boundary Conditions of LBM; 3.3.3 A Brief Introduction to the Open Source LBM Code: OpenLB; 3.4 Two-way Coupling of DEM and LBM; 3.4.1 Moving Boundary Conditions; 3.4.2 Curved Boundary Conditions; 3.4.3 Implementation of Darcy Flow in LBM; 3.5 Preliminary Results; 3.5.1 Bonded Particles Flow in Fluid; 3.5.2 Fluid Flow in the Fractures.