Difference Methods for Singular Perturbation Problems

ISBN-13: 9780367386825 / Angielski / Miękka / 2019 / 408 str.

Grigory I. Shishkin; Lidia P. Shishkina

Opis

This book presents a systematic, detailed development of approaches to construct ε uniformly convergent finite difference schemes for wide classes of singularly perturbed boundary value problems. The first part of the book explores boundary value problems for elliptic and parabolic reaction-diffusion and convection-diffusion equations in n-dimensional domains with smooth and piecewise-smooth boundaries. Containing material published mainly in the last four years, the second section focuses on problems with boundary layers and additional singularities generated by nonsmooth data, unboundedness of the domain, and the perturbation vector parameter.

Spis treści

Introduction. Boundary Value Problems for Elliptic Reaction-Diffusion Equations in Domains with Smooth Boundaries. Boundary Value Problems for Elliptic Reaction-Diffusion Equations in Domains with Piecewise-Smooth Boundaries. Generalizations for Elliptic Reaction-Diffusion Equations. Parabolic Reaction-Diffusion Equations.
Elliptic Convection-Diffusion Equations. Parabolic Convection-Diffusion Equations. Grid Approximations of Parabolic Reaction-Diffusion Equations with Three Perturbation Parameters. Application of Widths for Construction of Difference Schemes for Problems with Moving Boundary Layers. High-Order Accurate Numerical Methods for Singularly Perturbed Problems. A Finite Difference Scheme on a priori Adapted Grids for a Singularly Perturbed Parabolic Convection-Diffusion Equation. On Conditioning of Difference Schemes and Their Matrices for Singularly Perturbed Problems. Approximation of Systems of Singularly Perturbed Elliptic Reaction-Diffusion Equations with Two Parameters. Survey. References.

O autorze

Shishkin, Grigory I.; Shishkina, Lidia P.