The mathematical theory of finite element methods有限元素方法的數學理論

內容概要

This book develops the basic mathematical theory of the finite element method, the most widely used technique for engineering design and analysis. This expanded second edition contains new chapters on additive Schwarz preconditioners and adaptive meshes. New exercises have also been added throughout. The book will be useful to mathematicians as well as engineers and physical scientists. It can be used for a course that provides an introduction to basic functional analysis, approximation theory, and numerical analysis, while building upon and applying basic techniques of real variable theory. Different course paths can be chosen, allowing the book to be used for courses designed for students with different interests.

書籍目錄

Series PrefacePreface to the Second EditionPreface to the First Edition0 Basic Concepts  0.1 Weak Formulation of Boundary Value Problems  0.2 Ritz-Galerkin Approximation  0.3 Error Estimates  0.4 Piecewise Polynomial Spaces - The Finite Element Method ...  0.5 Relationship to Difference Methods  0.6 Computer Implementation of Finite Element Methods  0.7 Local Estimates  0.8 Adaptive Approximation  0.9 Weighted Norm Estimates  0.x Exercises1 Sobolev Spaces  1.1 Review of Lebesgue Integration Theory  1.2 Generalized (Weak) Derivatives  1.3 Sobolev Norms and Associated Spaces  1.4 Inclusion Relations and Sobolev's Inequality  1.5 Review of Chapter o  1.6 Trace Theorems  1.7 Negative Norms and Duality  1.x Exercises2 Variational Formulation of Elliptic Boundary Value Problems  2.1 Inner-Product Spaces  2.2 Hilbert Spaces  2.3 Projections onto Subspaces　2.4 Riesz Representation Theorem　2.5 Formulation of Symmetric Variational Problems  　2.6 Formulation of Nonsymmetric Variational Problems　2.7 Tile Lax-Milgram Theorem　2.8 Estimates for General Finite Element Approximation　2.9 Higher-dimensional Examples　2.10 Exercises3 The Construction of a Finite Element Space  3.1 The Finite Element  3.2 Triangular Finite Elements     The Lagrange Element     The Hermite Element     The Argyris Element  3.3 The Interpolant  3.4 Equivalence of Elements  3.5 Rectangular Elements     Tensor Product Elements     The Serendipity Element　3.6 Higher-dimensional Elements　3.7 Exotic Elements　3.8 Exercises4 Polynomial Approximation Theory in Sobolev Spaces  4.1 Averaged Taylor Polynomials  4.2 Error Representation  4.3 Bounds for Riesz Potentials  4.4 Bounds for the Interpolation Error  4.5 Inverse Estimates  4.6 Tensor-product Polynomial Approximation  4.7 Isoparanmtric Polynomial Approximation  4.8 Interpolation of Non-smooth Functions  4.9 A Discrete Sobolev Inequality  4.x Exercises5 n-Dimensional Variational Problems 6 Finite Element Multigrid Methods 7 Additive Schwarz Preconditioners 8 Max-norm Estimates 9 Adaptive Meshes 10 Variational Crimes 11 Applications to Planar Elasticity 12 Mixed Methods 13 Iterative Techniques for Mixed Methods 14 Applications of Operator-Interpolation Theory References Index

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