Introduction to Computation and Modeling for Differential Equations by Lennart E

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Uses mathematical, numerical, and programming tools to solve differential equations for physical phenomena and engineering problems Introduction to Computation and Modeling for Differential Equations, Second Edition features the essential principles and applications of problem solving across disciplines such as engineering, physics, and chemistry. The Second Edition integrates the science of solving differential equations with mathematical, numerical, and programming tools, specifically with methods involving ordinary differential equations; numerical methods for initial value problems (IVPs); numerical methods for boundary value problems (BVPs); partial differential equations (PDEs); numerical methods for parabolic, elliptic, and hyperbolic PDEs; mathematical modeling with differential equations; numerical solutions; and finite difference and finite element methods. The author features a unique "Five-M" approach: Modeling, Mathematics, Methods, MATLAB®, and Multiphysics, which facilitates a thorough understanding of how models are created and preprocessed mathematically with scaling, classification, and approximation and also demonstrates how a problem is solved numerically using the appropriate mathematical methods. With numerous real-world examples to aid in the visualization of the solutions, Introduction to Computation and Modeling for Differential Equations, Second Edition includes: New sections on topics including variational formulation, the finite element method, examples of discretization, ansatz methods such as Galerkin's method for BVPs, parabolic and elliptic PDEs, and finite volume methodsNumerous practical examples with applications in mechanics, fluid dynamics, solid mechanics, chemical engineering, heat conduction, electromagnetic field theory, and control theory, some of which are solved with computer programs MATLAB and COMSOL Multiphysics®Additional exercises that introduce new methods, projects, and problems to further illustrate possible applicationsA related website with select solutions to the exercises, as well as the MATLAB data sets for ordinary differential equations (ODEs) and PDEs Introduction to Computation and Modeling for Differential Equations, Second Edition is a useful textbook for upper-undergraduate and graduate-level courses in scientific computing, differential equations, ordinary differential equations, partial differential equations, and numerical methods. The book is also an excellent self-study guide for mathematics, science, computer science, physics, and engineering students, as well as an excellent reference for practitioners and consultants who use differential equations and numerical methods in everyday situations.  

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Uses mathematical, numerical, and programming tools to solve differential equations for physical phenomena and engineering problems Introduction to Computation and Modeling for Differential Equations, Second Edition features the essential principles and applications of problem solving across disciplines such as engineering, physics, and chemistry. The Second Edition integrates the science of solving differential equations with mathematical, numerical, and programming tools, specifically with methods involving ordinary differential equations; numerical methods for initial value problems (IVPs); numerical methods for boundary value problems (BVPs); partial differential equations (PDEs); numerical methods for parabolic, elliptic, and hyperbolic PDEs; mathematical modeling with differential equations; numerical solutions; and finite difference and finite element methods. The author features a unique "Five-M" approach: Modeling, Mathematics, Methods, MATLAB

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Uses mathematical, numerical, and programming tools to solve differential equations for physical phenomena and engineering problems Introduction to Computation and Modeling for Differential Equations, Second Edition features the essential principles and applications of problem solving across disciplines such as engineering, physics, and chemistry. The Second Edition integrates the science of solving differential equations with mathematical, numerical, and programming tools, specifically with methods involving ordinary differential equations; numerical methods for initial value problems (IVPs); numerical methods for boundary value problems (BVPs); partial differential equations (PDEs); numerical methods for parabolic, elliptic, and hyperbolic PDEs; mathematical modeling with differential equations; numerical solutions; and finite difference and finite element methods. The author features a unique "Five-M" approach: Modeling, Mathematics, Methods, MATLAB

Author Biography

LENNART EDSBERG, PhD, is Associate Professor in the Numerical Analysis section within the Department of Mathematics at KTH-The Royal Institute of Technology in Stockholm, Sweden, where he has also been Director of the International Master Program in Scientific Computing since 1998-2008. Dr. Edsberg has over 30 years of academic experience and is the author of over 20 journal articles in the areas of numerical methods and differential equations.

Table of Contents

Preface xi 1 Introduction 1 1.1 What is a Differential Equation? 1 1.2 Examples of an Ordinary and a Partial Differential Equation, 2 1.3 Numerical Analysis, a Necessity for Scientific Computing, 5 1.4 Outline of the Contents of this Book, 8 Bibliography, 10 2 Ordinary Differential Equations 11 2.1 Problem Classification, 11 2.2 Linear Systems of ODEs with Constant Coefficients, 16 2.3 Some Stability Concepts for ODEs, 19 2.3.1 Stability for a Solution Trajectory of an ODE System, 20 2.3.2 Stability for Critical Points of ODE Systems, 23 2.4 Some ODE models in Science and Engineering, 26 2.4.1 Newton's Second Law, 26 2.4.2 Hamilton's Equations, 27 2.4.3 Electrical Networks, 27 2.4.4 Chemical Kinetics, 28 2.4.5 Control Theory, 29 2.4.6 Compartment Models, 29 2.5 Some Examples from Applications, 30 Bibliography, 36 3 Numerical Methods for Initial Value Problems 37 3.1 Graphical Representation of Solutions, 38 3.2 Basic Principles of Numerical Approximation of ODEs, 40 3.3 Numerical Solution of IVPs with Euler's method, 41 3.3.1 Euler's Explicit Method: Accuracy, 43 3.3.2 Euler's Explicit Method: Improving the Accuracy, 46 3.3.3 Euler's Explicit Method: Stability, 48 3.3.4 Euler's Implicit Method, 53 3.3.5 The Trapezoidal Method, 55 3.4 Higher Order Methods for the IVP, 56 3.4.1 Runge–Kutta Methods, 56 3.4.2 Linear Multistep Methods, 60 3.5 Special Methods for Special Problems, 62 3.5.1 Preserving Linear and Quadratic Invariants, 62 3.5.2 Preserving Positivity of the Numerical Solution, 64 3.5.3 Methods for Newton's Equations of Motion, 64 3.6 The Variational Equation and Parameter Fitting in IVPs, 66 Bibliography, 69 4 Numerical Methods for Boundary Value Problems 71 4.1 Applications, 73 4.2 Difference Methods for BVPs, 78 4.2.1 A Model Problem for BVPs, Dirichlet's BCs, 79 4.2.2 A Model Problem for BVPs, Mixed BCs, 83 4.2.3 Accuracy, 86 4.2.4 Spurious Solutions, 87 4.2.5 Linear Two-Point BVPs, 89 4.2.6 Nonlinear Two-Point BVPs, 91 4.2.7 The Shooting Method, 92 4.3 Ansatz Methods for BVPs, 94 4.3.1 Starting with the ODE Formulation, 95 4.3.2 Starting with the Weak Formulation, 96 4.3.3 The Finite Element Method, 100 Bibliography, 103 5 Partial Differential Equations 105 5.1 Classical PDE Problems, 106 5.2 Differential Operators Used for PDEs, 110 5.3 Some PDEs in Science and Engineering, 114 5.3.1 Navier–Stokes Equations for Incompressible Flow, 114 5.3.2 Euler's Equations for Compressible Flow, 115 5.3.3 The Convection–Diffusion–Reaction Equations, 116 5.3.4 The Heat Equation, 117 5.3.5 The Diffusion Equation, 117 5.3.6 Maxwell's Equations for the Electromagnetic Field, 117 5.3.7 Acoustic Waves, 118 5.3.8 Schrödinger's Equation in Quantum Mechanics, 119 5.3.9 Navier's Equations in Structural Mechanics, 119 5.3.10 Black–Scholes Equation in Financial Mathematics, 120 5.4 Initial and Boundary Conditions for PDEs, 121 5.5 Numerical Solution of PDEs, Some General Comments, 121 Bibliography, 122 6 Numerical Methods for Parabolic Partial Differential Equations 123 6.1 Applications, 125 6.2 An Introductory Example of Discretization, 127 6.3 The Method of Lines for Parabolic PDEs, 130 6.3.1 Solving the Test Problem with MoL, 130 6.3.2 Various Types of Boundary Conditions, 134 6.3.3 An Example of the Use of MoL for a Mixed Boundary Condition, 135 6.4 Generalizations of the Heat Equation, 136 6.4.1 The Heat Equation with Variable Conductivity, 136 6.4.2 The Convection – Diffusion – Reaction PDE, 138 6.4.3 The General Nonlinear Parabolic PDE, 138 6.5 Ansatz Methods for the Model Equation, 139 Bibliography, 140 7 Numerical Methods for Elliptic Partial Differential Equations 143 7.1 Applications, 145 7.2 The Finite Difference Method, 150 7.3 Discretization of a Problem with Different BCs, 154 7.4 Ansatz Methods for Elliptic PDEs, 156 7.4.1 Starting with the PDE Formulation, 156 7.4.2 Starting with the Weak Formulation, 158 7.4.3 The Finite Element Method, 159 Bibliography, 164 8 Numerical Methods for Hyperbolic PDEs 165 8.1 Applications, 171 8.2 Numerical Solution of Hyperbolic PDEs, 174 8.2.1 The Upwind Method (FTBS), 175 8.2.2 The FTFS Method, 177 8.2.3 The FTCS Method, 178 8.2.4 The Lax–Friedrichs Method, 178 8.2.5 The Leap-Frog Method, 179 8.2.6 The Lax–Wendroff Method, 179 8.2.7 Numerical Method for the Wave Equation, 181 8.3 The Finite Volume Method, 183 8.4 Some Examples of Stability Analysis for Hyperbolic PDEs, 185 Bibliography, 187 9 Mathematical Modeling with Differential Equations 189 9.1 Nature Laws, 190 9.2 Constitutive Equations, 192 9.2.1 Equations in Heat Transfer Problems, 192 9.2.2 Equations in Mass Diffusion Problems, 193 9.2.3 Equations in Mechanical Moment Diffusion Problems, 193 9.2.4 Equations in Elastic Solid Mechanics Problems, 194 9.2.5 Equations in Chemical Reaction Engineering Problems, 194 9.2.6 Equations in Electrical Engineering Problems, 195 9.3 Conservative Equations, 195 9.3.1 Some Examples of Lumped Models, 196 9.3.2 Some Examples of Distributed Models, 197 9.4 Scaling of Differential Equations to Dimensionless Form, 201 Bibliography, 204 10 Applied Projects on Differential Equations 205 Project 1 Signal propagation in a long electrical conductor, 205 Project 2 Flow in a cylindrical pipe, 206 Project 3 Soliton waves, 208 Project 4 Wave scattering in a waveguide, 209 Project 5 Metal block with heat sourse and thermometer, 210 Project 6 Deformation of a circular metal plate, 211 Project 7 Cooling of a chrystal glass, 212 Project 8 Rotating fluid in a cylinder, 212 Appendix A Some Numerical and Mathematical Tools 215 A.1 Newton's Method for Systems of Nonlinear Algebraic Equations, 215 A.1.1 Quadratic Systems, 215 A.1.2 Overdetermined Systems, 218 A.2 Some Facts about Linear Difference Equations, 219 A.3 Derivation of Difference Approximations, 223 Bibliography, 225 A.4 The Interpretations of Grad, Div, and Curl, 225 A.5 Numerical Solution of Algebraic Systems of Equations, 229 A.5.1 Direct Methods, 229 A.5.2 Iterative Methods for Linear Systems of Equations, 233 A.6 Some Results for Fourier Transforms, 237 Bibliography, 239 Appendix B Software for Scientific Computing 241 B.1 MATLAB, 242 B.1.1 Chapter 3: IVPs, 242 B.1.2 Chapter 4: BVPs, 244 B.1.3 Chapter 6: Parabolic PDEs, 245 B.1.4 Chapter 7: Elliptic PDEs, 246 B.1.5 Chapter 8: Hyperbolic PDEs, 246 B.2 COMSOL MULTIPHYSICS, 247 Bibliography and Resources, 249 Appendix C Computer Exercises to Support the Chapters 251 C.1 Computer Lab 1 Supporting Chapter 2, 251 C.1.1 ODE Systems of LCC Type and Stability, 251 C.2 Computer Lab 2 Supporting Chapter 3, 254 C.2.1 Numerical Solution of Initial Value Problems, 254 C.3 Computer Lab 3 Supporting Chapter 4, 257 C.3.1 Numerical Solution of a Boundary Value Problem, 257 C.4 Computer Lab 4 Supporting Chapter 6, 258 C.4.1 Partial Differential Equation of Parabolic Type, 258 C.5 Computer Lab 5 Supporting Chapter 7, 261 C.5.1 Numerical Solution of Elliptic PDE Problems, 261 C.6 Computer Lab 6 Supporting Chapter 8, 263 C.6.1 Numerical Experiments with the Hyperbolic Model PDE Problem, 263 Index 265

Long Description

Uses mathematical, numerical, and programming tools to solve differential equations for physical phenomena and engineering problems Introduction to Computation and Modeling for Differential Equations, Second Edition features the essential principles and applications to problem solving across disciplines such as engineering, physics, and chemistry. The Second Edition integrates the science of solving differential equations with mathematical, numerical, and programming tools, specifically with methods involving ordinary differential equations; numerical methods for initial value problems (IVPs); numerical methods for boundary value problems (BVPs); partial differential equations (PDEs); numerical methods for parabolic, elliptic, and hyperbolic PDEs; mathematical modeling with differential equations; numerical solutions; and finite difference and finite element methods. The author features a unique "Five-M" approach: Modeling, Mathematics, Methods, MATLAB, and Multiphysics, which facilitates a thorough understanding of how models are created and preprocessed mathematically with scaling, classification, and approximation and also demonstrates how a problem is solved numerically using the appropriate mathematical methods. With numerous real-world examples to aid readers in the visualization of the solutions, Introduction to Computation and Modeling for Differential Equations, Second Edition includes: New sections on topics such as variational formulation, the finite element method, examples of discretization, Ansatz methods for parabolic PDEs and elliptic PDEs, Galerkins method for the model problem, and finite volume methods Numerous practical examples with applications in mechanics, fluid dynamics, solid mechanics, chemical engineering, electromagnetic field theory, and control theory, all of which are solved with computer programs MATLAB and Comsol Multiphysics Additional exercises that introduce new methods, projects, and problems to further illustrate possible applications A related website with select solutions to the exercises, as well as the MATLAB data sets for IVPs and BVPs Introduction to Computation and Modeling for Differential Equations, Second Edition is a useful textbook for upper-undergraduate and graduate-level courses in scientific computing, differential equations, ordinary differential equations, partial differential equations, and numerical methods. The book is also an excellent self-study guide for mathematics, science, computer science, physics, and engineering students, as well as an excellent reference for practitioners and consultants who use differential equations and numerical methods in everyday situations. Lennart Edsberg, PhD, is Associate Professor in the Department of Numerical Analysis and Computing Science (NADA) in the School of Computer Science and Communication at KTH - The Royal Institute of Technology in Stockholm, Sweden, where he has also been Director of the International Master Program in Scientific Computing since 1996. Dr. Edsberg has over thirty years of academic experience and is the author of over twenty journal articles in the areas of numerical methods and differential equations.

Details ISBN1119018447 Year 2015 ISBN-10 1119018447 ISBN-13 9781119018445 Format Hardcover Media Book Short Title INTRO TO COMPUTATION & MODELIN Language English Edition 2nd DEWEY 515.35 Illustrations Yes Country of Publication United States Publication Date 2015-11-20 UK Release Date 2015-11-20 AU Release Date 2015-09-25 NZ Release Date 2015-09-25 Author Lennart Edsberg Pages 288 Publisher John Wiley & Sons Inc Edition Description 2nd edition Imprint John Wiley & Sons Inc Place of Publication New York Replaces 9780470270851 Audience Professional & Vocational US Release Date 2015-11-20 We've got this

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