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Finite Difference Methods on Irregular Networks: A Generalized Approach to Second Order Elliptic Problems /
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Catalogue Information
Field name
Details
Dewey Class
500
Title
Finite Difference Methods on Irregular Networks ([EBook] :) : A Generalized Approach to Second Order Elliptic Problems / / by Bernd Heinrich.
Author
Heinrich, Bernd
Other name(s)
SpringerLink (Online service)
Publication
Basel : : Birkhäuser Basel, , 1987.
Physical Details
206 p. : online resource.
Series
International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / Série Internationale d’Analyse Numérique
; 82
ISBN
9783034871969
Summary Note
The finite difference and finite element methods are powerful tools for the approximate solution of differential equations governing diverse physical phenomena, and there is extensive literature on these discre tization methods. In the last two decades, some extensions of the finite difference method to irregular networks have been described and applied to solving boundary value problems in science and engineering. For instance, "box integration methods" have been widely used in electro nics. There are several papers on this topic, but a comprehensive study of these methods does not seem to have been attempted. The purpose of this book is to provide a systematic treatment of a generalized finite difference method on irregular networks for solving numerically elliptic boundary value problems. Thus, several disadvan tages of the classical finite difference method can be removed, irregular networks of triangles known from the finite element method can be applied, and advantageous properties of the finite difference approxima tions will be obtained. The book is written for advanced undergraduates and graduates in the area of numerical analysis as well as for mathematically inclined workers in engineering and science. In preparing the material for this book, the author has greatly benefited from discussions and collaboration with many colleagues who are concerned with finite difference or (and) finite element methods.:
Contents note
1. Introduction -- 1.1. Preliminary remarks -- 1.2. Scope of monograph -- 1.3. Plan of monograph, comments -- 2. Boundary Value Problems and Irregular Networks -- 2.1. A class of elliptic problems -- 2.2. Irregular networks -- 2.3. Secondary networks and boxes -- 3. Construction of Finite Difference Approximations -- 3.1. The principle of approximation -- 3.2. Finite difference schemes via method (PB) -- 3.3. Finite difference schemes via method (MD) -- 4. Analytical and Matrix Properties of the Difference Operators Ah -- 4.1. General remarks and notations -- 4.2. Monotonicity and other matrix properties -- 4.3. Scalar products, norms and a trace theorem -- 4.4. Green’s formula, inequalities of Friedrichs-Poincaré- type and the positive definiteness of Ah -- 4.5. A priori estimates for Ah using the W12- and C-norm -- 5. Error Estimates and Convergence -- 5.1. Error splitting and approaches to the error estimation -- 5.2. The error æ of the principal part of PB-operators -- 5.3. The error æ of the principal part of MD-operators -- 5.4. The error ?N for PB- MD-schemes -- 5.5. Convergence for W22(?)-solutions -- 6. Finite Difference Schemes for Nonsymmetric Problems -- 6.1. Construction of finite difference approximations -- 6.2. Properties of the difference operators $${\text{A}}_{{\text{h}}} {{\text{b}}}$$ -- 6.3. The error convection term -- 7. Concluding Remarks -- Appendices -- 1. Appendix DI: Relations of Differential and Integral calculus, norms -- 2. Appendix ES: Estimation of functionals on Sobolev spaces -- 3. Appendix EX: Extension of functions -- 4. Appendix GE: Some relations of geometry -- 5. Appendix IM: Imbedding and trace theorems -- 6. Appendix TR: Affine transformations of coordinates and functional -- References -- List of Figures -- Abbreviations -- Notations.
System details note
Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site
http://dx.doi.org/10.1007/978-3-0348-7196-9
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Subject References:
Science
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Science, general
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Authors:
Heinrich, Bernd
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Corporate Authors:
SpringerLink (Online service)
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Series:
International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / Série Internationale d’Analyse Numérique
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Classification:
500
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