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E-raamat: Solving Ordinary and Partial Boundary Value Problems in Science and Engineering [Taylor & Francis e-raamat]

(Technical University Prague, Prague, Czech Republic)
  • Taylor & Francis e-raamat
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Provides an accessible introduction for engineers and scientists to the concepts of ordinary and partial boundary value problems, covering fundamental properties and methods of constructing solutions and approximations. Presents special remarks for mathematical readers, demonstrating the possibility of generalizations of obtained results and showing connections between them. For non-mathematicians, material provides functional-analytical results needed in the theory of variational methods without proofs. Contains chapter problems. Annotation c. by Book News, Inc., Portland, Or.

This book provides an elementary, accessible introduction for engineers and scientists to the concepts of ordinary and partial boundary value problems, acquainting readers with fundamental properties and with efficient methods of constructing solutions or satisfactory approximations.
Discussions include:
  • ordinary differential equations
  • classical theory of partial differential equations
  • Laplace and Poisson equations
  • heat equation
  • variational methods of solution of corresponding boundary value problems
  • methods of solution for evolution partial differential equations
    The author presents special remarks for the mathematical reader, demonstrating the possibility of generalizations of obtained results and showing connections between them. For the non-mathematician, the author provides profound functional-analytical results without proofs and refers the reader to the literature when necessary.
    Solving Ordinary and Partial Boundary Value Problems in Science and Engineering contains essential functional analytical concepts, explaining its subject without excessive abstraction.
  • Introduction 1(4)
    1 Ordinary Differential Equations with Boundary Conditions; Eigen-value Problems
    5(50)
    1.1 Technical Motivation
    5(5)
    1.2 Relation Between the Problem (1.1.3) and (1.1.4) and the Problem Corresponding to the Zero Vertical Loading of the Bar
    10(1)
    1.3 Brief Summary of the Space L(2)(a,b)
    11(7)
    1.4 Eigenvalue Problems
    18(2)
    1.5 Basic Properties of Eigenvalues and Eigenfunctions
    20(7)
    1.6 Nonhomogeneous Equations with Boundary Conditions
    27(10)
    1.7 The Finite-Difference Method for Ordinary Differential Equations
    37(3)
    1.8 Convergence of the Finite-Difference Method
    40(1)
    1.9 Application of the Finite-Difference Method in Eigenvalue Problems
    41(2)
    1.10 Problems 1.10.1 to 1.10.15
    43(12)
    2 Partial Differential Equations: Classical Approach
    55(30)
    2.1 Basic Concepts; Examples of Equations Frequently Encountered in Applications; The Heat-Conduction Equation Derived
    55(7)
    2.2 Boundary Value Problems (Equations with Boundary Conditions); The Dirichlet Problem for Laplace and Poisson Equations; The Maximum Principle for Harmonic Functions and its Consequences
    62(9)
    2.3 The Heat-Conduction Equation
    71(6)
    2.4 Problems 2.4.1 to 2.4.12
    77(8)
    3 Variational Methods of Solution of Elliptical Boundary Value Problems; Generalized Solutions and Their Approximations; Weak Solutions
    85(70)
    3.1 The Equation Au = f
    85(5)
    3.2 Comparison Functions, Domain of Definition of Operator A; Symmetrical, Positive, and Positive-Definite Operators
    90(14)
    3.3 Theorem on Minimum of Functional of Energy
    104(7)
    3.4 Generalized Derivatives; The Energetic Space, the Sobolev Space; Generalized Solutions, Weak Solutions
    111(1)
    3.4.1 Functions of One Variable
    111(11)
    3.4.2 Functions of Several Variables
    122(1)
    3.5 The Ritz and Galerkin Methods; The Finite-Element Method
    122(15)
    3.6 Eigenvalue Problems for Equations of Order 2k
    137(4)
    3.7 Problems 3.7.1 to 3.7.16
    141(14)
    4 The Finite-Difference Method for Partial Differential Equations; The Method of Discretization in Time (the Rothe Method)
    155(28)
    4.1 The Finite-Difference Method (the Method of Finite Differences, the Net Method) for Partial Differential Equations
    155(5)
    4.2 The Finite-Difference Method for the Heat Equation
    160(1)
    4.2.1 The Explicit Scheme
    160(3)
    4.2.2 The Implicit Scheme
    163(3)
    4.3 The Method of Discretization in Time (the Rothe Method, the Method of Lines)
    166(5)
    4.4 Problems 4.4.1 to 4.4.9
    171(12)
    5 The Fourier Method
    183(14)
    5.1 The Fourier Method for One-Dimensional Vibration Problems
    183(5)
    5.2 Problems 5.2.1 to 5.2.8
    188(9)
    References 197(2)
    Index 199
    Karel Rektorys