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Supercomputers in seismic exploration /
Provides an authoritative overview of the role which computers now play in the field of seismology and discusses ways in which they can be improved for solving the increasingly complex problems now facing the scientist and engineer. Topics covered include typical seismic models, computational requir...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford ; New York :
Pergamon Press,
�1989.
|
| Edición: | 1st ed. |
| Colección: | Handbook of geophysical exploration. Seismic exploration ;
v. 21. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Seismic Exploration: Supercomputers in Seismic Exploration; Copyright Page; PREFACE; Table of Contents; Chapter 1. Is 3-D Wave-equation Modeling Feasible in the next Ten Years?; Background; A Typical Seismic Model; Numerical Methods; Parallel Computers; Finite Differences on a Hypercube; Is Realistic 3-D Modeling Possible in Ten Years?; Acknowledgments; References; Chapter 2. Three-dimensional Seismic Processing, Migration, and Modeling using Parallel Processing on Cray Supercomputers; Introduction; Cray X-MP Hardware and Software; Three-dimensional Standard Processing
- Three-dimensional MigrationThree-dimensional Forward Modeling; Chapter 3. Wave Equation Computations and Truly Parallel Processing; Introduction; Time Evolution; Depth Extrapolation; Parallel Implementation; Outline Design of an Efficient Parallel Wave Equation Processor; Discussion; Appendix I: Time Evolution of Elastic and Acoustic Waves; Appendix II: Depth Extrapolation of Elastic and Acoustic Waves; Acknowledgments; References; Chapter 4. Advances in High Performance Processing of Seismic Data; Introduction; Hardware Advances; Channels; Tapes; Optical Disks; Hyperdisks
- Rasterizers and PlottersAdvances in Software; Implementation: Realities and Pitfalls; Conclusion; References; Chapter 5. Parallel and Optical Architectures for Modeling and Inversion; Introduction; Algorithms for Modeling and Inversion; Computer Architecture Issues; Optical Computing Issues; Performance of Architectures with Algorithms; Optical Architectures; Conclusion; References; Chapter 6. Seismic Data Processing on a SIMD Array Parallel Supercomputer; Introduction; Performance Requirements; From Array Processors to Processor Arrays; SIMD Array Supercomputers
- Geophysical Processes in ParallelConclusions; References; Chapter 7. Hypercube Supercomputing; Introduction; Design Issues for Multiprocessor Computers; The Hypercube Multiprocessor Computer; Hardware, Operating System, Software; The Hypercube Interconnection Network; Programming the Hypercube; Partitioning Techniques; Application Examples; Application Programs; Seismic Data Processing Example; Conclusions; References; Chapter 8. Large Scale Elastic Wavefield Inversion; Summary; The Seismologists' Dream; Inversion Using Seismic Wave Simulations; Simulating Seismic Waves
- Parallelism in Nature and ComputersInitial Tests; Conclusions; References; Chapter 9. The Future of Iterative Modeling in Geophysical Exploration; Abstract; What is Iterative Modeling?; Iterative Modeling Using Substructure Analysis; Iterative Modeling by Partial Factorization; Iterative Modeling by Homotopy Methods; Iterative Modeling Using Taylor Series Expansions; Conclusions; References; Chapter 10. Application of Supercomputers in Three-dimensional Seismic Modeling; Introduction; The Conventional Approach; Some Practical Problems; A Simple Higher-order Algorithm