Exact Finite Difference Schemes
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Author | : Boško S. Jovanović |
Publisher | : Springer Science & Business Media |
Total Pages | : 416 |
Release | : 2013-10-22 |
Genre | : Mathematics |
ISBN | : 1447154606 |
Download Analysis of Finite Difference Schemes Book in PDF, Epub and Kindle
This book develops a systematic and rigorous mathematical theory of finite difference methods for linear elliptic, parabolic and hyperbolic partial differential equations with nonsmooth solutions. Finite difference methods are a classical class of techniques for the numerical approximation of partial differential equations. Traditionally, their convergence analysis presupposes the smoothness of the coefficients, source terms, initial and boundary data, and of the associated solution to the differential equation. This then enables the application of elementary analytical tools to explore their stability and accuracy. The assumptions on the smoothness of the data and of the associated analytical solution are however frequently unrealistic. There is a wealth of boundary – and initial – value problems, arising from various applications in physics and engineering, where the data and the corresponding solution exhibit lack of regularity. In such instances classical techniques for the error analysis of finite difference schemes break down. The objective of this book is to develop the mathematical theory of finite difference schemes for linear partial differential equations with nonsmooth solutions. Analysis of Finite Difference Schemes is aimed at researchers and graduate students interested in the mathematical theory of numerical methods for the approximate solution of partial differential equations.
Author | : Sergey Lemeshevsky |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 248 |
Release | : 2016-09-26 |
Genre | : Mathematics |
ISBN | : 311049132X |
Download Exact Finite-Difference Schemes Book in PDF, Epub and Kindle
Exact Finite-Difference Schemes is a first overview of the topic also describing the state-of-the-art in this field of numerical analysis. Construction of exact difference schemes for various parabolic and elliptic partial differential equations are discussed, including vibrations and transport problems. After this, applications are discussed, such as the discretisation of ODEs and PDEs and numerical methods for stochastic differential equations. Contents: Basic notation Preliminary results Hyperbolic equations Parabolic equations Use of exact difference schemes to construct NSFD discretizations of differential equations Exact and truncated difference schemes for boundary-value problem Exact difference schemes for stochastic differential equations Numerical blow-up time Bibliography
Author | : Ronald E. Mickens |
Publisher | : World Scientific |
Total Pages | : 268 |
Release | : 2000 |
Genre | : Mathematics |
ISBN | : 9789810241339 |
Download Applications of Nonstandard Finite Difference Schemes Book in PDF, Epub and Kindle
The main purpose of this book is to provide a concise introduction to the methods and philosophy of constructing nonstandard finite difference schemes and illustrate how such techniques can be applied to several important problems. Chapter I gives an overview of the subject and summarizes previous work. Chapters 2 and 3 consider in detail the construction and numerical implementation of schemes for physical problems involving convection-diffusion-reaction equations, that arise in groundwater pollution and scattering of electromagnetic waves using Maxwell's equations. Chapter 4 examines certain mathematical issues related to the nonstandard discretization of competitive and cooperative models for ecology. The application chapters illustrate well the power of nonstandard methods. In particular, for the same accuracy as obtained by standard techniques, larger step sizes can be used. This volume will satisfy the needs of scientists, engineers, and mathematicians who wish to know how to construct nonstandard schemes and see how these are applied to obtain numerical solutions of the differential equations which arise in the study of nonlinear dynamical systems modeling important physical phenomena.
Author | : Ronald E Mickens |
Publisher | : World Scientific |
Total Pages | : 332 |
Release | : 2020-11-11 |
Genre | : Mathematics |
ISBN | : 981122255X |
Download Nonstandard Finite Difference Schemes: Methodology And Applications Book in PDF, Epub and Kindle
This second edition of Nonstandard Finite Difference Models of Differential Equations provides an update on the progress made in both the theory and application of the NSFD methodology during the past two and a half decades. In addition to discussing details related to the determination of the denominator functions and the nonlocal discrete representations of functions of dependent variables, we include many examples illustrating just how this should be done.Of real value to the reader is the inclusion of a chapter listing many exact difference schemes, and a chapter giving NSFD schemes from the research literature. The book emphasizes the critical roles played by the 'principle of dynamic consistency' and the use of sub-equations for the construction of valid NSFD discretizations of differential equations.
Author | : Ronald E. Mickens |
Publisher | : World Scientific |
Total Pages | : 264 |
Release | : 1994 |
Genre | : Mathematics |
ISBN | : 9810214588 |
Download Nonstandard Finite Difference Models of Differential Equations Book in PDF, Epub and Kindle
This book provides a clear summary of the work of the author on the construction of nonstandard finite difference schemes for the numerical integration of differential equations. The major thrust of the book is to show that discrete models of differential equations exist such that the elementary types of numerical instabilities do not occur. A consequence of this result is that in general bigger step-sizes can often be used in actual calculations and/or finite difference schemes can be constructed that are conditionally stable in many instances whereas in using standard techniques no such schemes exist. The theoretical basis of this work is centered on the concepts of ?exact? and ?best? finite difference schemes. In addition, a set of rules is given for the discrete modeling of derivatives and nonlinear expressions that occur in differential equations. These rules often lead to a unique nonstandard finite difference model for a given differential equation.
Author | : Sergey Lemeshevsky |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 246 |
Release | : 2016-09-26 |
Genre | : Mathematics |
ISBN | : 3110489724 |
Download Exact Finite-Difference Schemes Book in PDF, Epub and Kindle
Exact Finite-Difference Schemes is a first overview of the topic also describing the state-of-the-art in this field of numerical analysis. Construction of exact difference schemes for various parabolic and elliptic partial differential equations are discussed, including vibrations and transport problems. After this, applications are discussed, such as the discretisation of ODEs and PDEs and numerical methods for stochastic differential equations. Contents: Basic notation Preliminary results Hyperbolic equations Parabolic equations Use of exact difference schemes to construct NSFD discretizations of differential equations Exact and truncated difference schemes for boundary-value problem Exact difference schemes for stochastic differential equations Numerical blow-up time Bibliography
Author | : John C. Strikwerda |
Publisher | : Springer |
Total Pages | : 410 |
Release | : 1989-09-28 |
Genre | : Juvenile Nonfiction |
ISBN | : |
Download Finite Difference Schemes and Partial Differential Equations Book in PDF, Epub and Kindle
Author | : Ronald E. Mickens |
Publisher | : World Scientific |
Total Pages | : 668 |
Release | : 2005 |
Genre | : Mathematics |
ISBN | : 9812564047 |
Download Advances in the Applications of Nonstandard Finite Diffference Schemes Book in PDF, Epub and Kindle
This volume provides a concise introduction to the methodology of nonstandard finite difference (NSFD) schemes construction and shows how they can be applied to the numerical integration of differential equations occurring in the natural, biomedical, and engineering sciences. These methods had their genesis in the work of Mickens in the 1990's and are now beginning to be widely studied and applied by other researchers. The importance of the book derives from its clear and direct explanation of NSFD in the introductory chapter along with a broad discussion of the future directions needed to advance the topic.
Author | : Randall J. LeVeque |
Publisher | : SIAM |
Total Pages | : 356 |
Release | : 2007-01-01 |
Genre | : Mathematics |
ISBN | : 9780898717839 |
Download Finite Difference Methods for Ordinary and Partial Differential Equations Book in PDF, Epub and Kindle
This book introduces finite difference methods for both ordinary differential equations (ODEs) and partial differential equations (PDEs) and discusses the similarities and differences between algorithm design and stability analysis for different types of equations. A unified view of stability theory for ODEs and PDEs is presented, and the interplay between ODE and PDE analysis is stressed. The text emphasizes standard classical methods, but several newer approaches also are introduced and are described in the context of simple motivating examples.
Author | : Ronald E Mickens |
Publisher | : World Scientific |
Total Pages | : 665 |
Release | : 2005-10-25 |
Genre | : Mathematics |
ISBN | : 9814479861 |
Download Advances In The Applications Of Nonstandard Finite Difference Schemes Book in PDF, Epub and Kindle
This volume provides a concise introduction to the methodology of nonstandard finite difference (NSFD) schemes construction and shows how they can be applied to the numerical integration of differential equations occurring in the natural, biomedical, and engineering sciences. These methods had their genesis in the work of Mickens in the 1990's and are now beginning to be widely studied and applied by other researchers. The importance of the book derives from its clear and direct explanation of NSFD in the introductory chapter along with a broad discussion of the future directions needed to advance the topic.