Advances in Geocomputing (Lecture Notes in Earth Sciences v. 119)

Advances in Geocomputing (Lecture Notes in Earth Sciences v. 119)

By: Huilin Xing (author)Mixed Media

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Numerical modelling is being an advanced tool in geoscience and geoengineering. Idealized experiments and field observations have been the main pillars of geoscience for decades, while the rapid development of supercomputers leads to a paradigm shift towards geocomputing. Hi- performance computing based simulations offer outstanding opportunities to get insights into increasingly complex geoscience and geoengineering problems. Several new institutes and initiatives with special emphasis on hi- performance geocomputing have been established around the world, such as ACcESS MNRF (Australian Computational Earth System Simulator, Major National Research Facility, http://www. access. edu. au) and AuScope (an organisation for a National Earth Science Infrastructure Program, http://www. auscope. org. au) in Australia; GEON (GEOscience Network, http://www. geongrid. org/), PRAGMA (Pacific Rim Applications and Grid Middleware Assembly, http://www. pragma-grid. net/ ), SERVO (Solid Earth Virtual Research Observatory, http://www. servogrid. org/), PetaSHA (Petascale Cyberfacility for Physics-based Seismic Hazard Analysis from Southern California Earthquake Center, including TeraShake etc. platforms, http://scecdata. usc. edu/petasha/) and CIG (Computational Infrastructure for Geodynamics, http://www. geodynamics. org) in the United States; GeoFEM (http://geofem. tokyo. rist. or. jp) and CHIKAKU system (http://www. riken. go. jp/lab-www/CHIKAKU/index-e. html), and the Earth Simulator Center (www. es. jamstec. go. jp/) in Japan; the Laboratory of Computational Geodynamics of Chinese Academy of Sciences in China; and the iSERVO seed project (iSERVO-international Solid Earth Virtual Research Observatory, http://www. iservo. edu. au) aims to foster ongoing international cooperation on simulation of solid earth phenomena.

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I. First steps towards modeling a multi-scale earth system, 1. Introduction, 2. Multiscale Non-Equilibrium Thermodynamics, 3. Mathematical Formulation II. 3D Mesh Generation in Geocomputing, 1. Introduction, 2. Goemetrical Modeling, 3. Hexahedral Mesh Generation, 4. Tetrahedral Mesh Generation, 5. Conclusions III. Strategies for Preconditioning Methods of Parellel Iterative Solver for Finite-Element Applications in Geophysics, 1. Background, 2. Various Approaches for Parallel Preconditioning Methods in III-Conditioned Probelms, 3. Examples: Contact Problems, 4. Examples: Linear Elastic Problems with Heterogeneous Material Properties, 5. Concluding Remarks, 6. Appendix 1 Parallel Iterative Solvers in GeoFEM IV. Algorithms for Optimizing Rheology and Loading Forces in Finite Element Models for Lithospheric Deformation, 1. Introduction, 2. Methodology, 3. A Plate Flexural Model, 4. A Three-Dimensional Viscous Model of Lithospheric Deformation, 5. Discussions and Conclusions V. Mantle Dynamics - A Case Study, 1. Introduction, 2. Physics of Mantle Convection: Basic Equations, 3. Case Study in Global Models of the Earth's Mantle VI. The ESyS Particle: A New 3-D Discrete Element Model with Single Particle Rotation, 1. Introduction: A Review of the Discrete Element Method, 2. The Model, Equations and Numerical Algorithms, 3. Contct Laws, Particle Interactions and Calculation of Forces and Torques, 4. Parameter Calibration, 5. Some Recent Simulation Results, 6. Disscussion: Major Differences of the ESyS Particle, 7. Conclusions VII. The Terashake Computational Platform for Large-Scale Earthquake Simulations, 1. Introduction, 2. The TeraShake Computational Platform, 3. The Terashake Application: Anelastic Wave Model, 4. Enhancement and Optimization of the Terashake Application, 5. Data Archival and Management, 6. TeraShake Visualization, 7. Scientific Results of Tera-Shake-1 and TeraShake 2, 8. Lessons Learned from Enabling Very-Large Scale Earthquake SImulations, 9. Summary VIII. Probabilistic Forecast of Tsunami Hazards along Chinese Coast, 1. Introduction, 2. Geological and Geophysical Analysis, 3. Probabilistic Forecast of Tsunami Hazards, 4. Probabilistic Forecst of Tsunami and Seismic Hazard in Eastern China Sea Region, 5. Discussions and Summary, 6. Conclusion

Product Details

  • publication date: 30/09/2008
  • ISBN13: 9783540858775
  • Format: Mixed Media
  • Number Of Pages: 343
  • ID: 9783540858775
  • weight: 726
  • ISBN10: 3540858776

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