بزرگترین فروشگاه کتابهای الکترونیک خارجی A primer on radial basis functions with applications to the geosciences - لایب سان- بزرگترین سایت دانلود کتاب از آمازون
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A primer on radial basis functions with applications to the geosciences

A primer on radial basis functions with applications to the geosciences

A primer on radial basis functions with applications to the geosciences

 

Abstract

Adapted from a series of lectures given by the authors, this monograph focuses on radial basis functions (RBFs), a powerful numerical methodology for solving PDEs to high accuracy in any number of dimensions. This method applies to problems across a wide range of PDEs arising in fluid mechanics, wave motions, astro- and geosciences, mathematical biology, and other areas and has lately been shown to compete successfully against the very best previous approaches on some large benchmark problems. Using examples and heuristic explanations to create a practical and intuitive perspective, the authors address how, when, and why RBF-based methods work.

The authors trace the algorithmic evolution of RBFs, starting with brief introductions to finite difference (FD) and pseudospectral (PS) methods and following a logical progression to global RBFs and then to RBF-generated FD (RBF-FD) methods. The RBF-FD method, conceived in 2000, has proven to be a leading candidate for numerical simulations in an increasingly wide range of applications, including seismic exploration for oil and gas, weather and climate modeling, and electromagnetics, among others.

This is the first survey in book format of the RBF-FD methodology and is suitable as the text for a one-semester first-year graduate class.

Audience: The book is primarily written for graduate students and researchers in application areas such as atmospheric modeling and geosciences. It is also suited for numerical analysts and computational scientists interested in large-scale PDE-based simulations on modern computer architectures.

Contents: Chapter 1: Brief Summary of Finite Difference Methods; Chapter 2: Brief Summary of Pseudospectral Methods; Chapter 3: Introduction to Radial Basis Functions; Chapter 4: Global RBFs for Solving PDEs; Chapter 5: RBF-Generated FD (RBF-FD) Methods; Chapter 6: Global RBF Applications to Geo-Modeling: Spherical Domains; Chapter 7: RBF-FD Applications to Geo-Modeling: Spherical Domains; Chapter 8: RBF-FD Applications to Geo-Modeling: Limited-Area Domains; Appendix A: Introduction to RBFs via Cubic Splines; Appendix B: Spherical Harmonics; Appendix C: Some Node Distribution Strategies; Appendix D: Cartesian Vector Operators on a Sphere

 Authors: Bengt Fornberg; Natasha Flyer

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