Advanced numerical and semi analytical methods for differential equations / Snehashish Chakraverty (National Institute of Technology Rourkela, Odisha, India) [and three others].
Contributor(s): Chakraverty, Snehashish [author.]
Language: English Publisher: Hoboken, NJ : John Wiley & Sons, Inc., 2019Description: 1 online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9781119423423 ; 9781119423447 (Adobe PDF); 9781119423461; 9781119423430 (ePub)Subject(s): Differential equations -- Numerical solutionsGenre/Form: Electronic books.DDC classification: 515/.35 LOC classification: QA372Online resources: Full text available at Wiley Online Library Click here to view| Item type | Current location | Home library | Call number | Status | Date due | Barcode | Item holds |
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| 515.33 F334 1983 Differential and integral calculus/ Florentino T. Feliciano, Fausto B. Uy | 515.33 F334 1983 Differential and integral calculus/ Florentino T. Feliciano, Fausto B. Uy | 515.33 G137 2011 Integral calculus / | 515.35 Ad951 2019 Advanced numerical and semi analytical methods for differential equations / | 515.35 Ay74 1952 Shaum's outline of theory and problems of differential equations | 515.35 B692 1986 Elementary differential equation / | 515.35 B789 2014 Differential equations. |
Includes index.
ABOUT THE AUTHORS
SNEHASHISH CHAKRAVERTY, PHD, is Professor in the Department of Mathematics at National Institute of Technology, Rourkela, Odisha, India. He is also the author of Fuzzy Arbitrary Order System: Fuzzy Fractional Differential Equations and Applications and 12 other books.
NISHA RANI MAHATO is a Senior Research Fellow in the Department of Mathematics at the National Institute of Technology, Rourkela, Odisha, India where she is pursuing her PhD.
PERUMANDLA KARUNAKAR is a Senior Research Fellow in the Department of Mathematics at the National Institute of Technology, Rourkela, Odisha, India where he is pursuing his PhD.
THARASI DILLESWAR RAO, is a Senior Research Fellow in the Department of Mathematics at the National Institute of Technology, Rourkela, Odisha, India where he is pursuing his PhD.
TABLE OF CONTENTS
Acknowledgments xi
Preface xiii
1 Basic Numerical Methods 1
1.1 Introduction 1
1.2 Ordinary Differential Equation 2
1.3 Euler Method 2
1.4 Improved Euler Method 5
1.5 Runge–Kutta Methods 7
1.5.1 Midpoint Method 7
1.5.2 Runge–Kutta Fourth Order 8
1.6 Multistep Methods 10
1.6.1 Adams–Bashforth Method 10
1.6.2 Adams–Moulton Method 10
1.7 Higher-Order ODE 13
References 16
2 Integral Transforms 19
2.1 Introduction 19
2.2 Laplace Transform 19
2.2.1 Solution of Differential Equations Using Laplace Transforms 20
2.3 Fourier Transform 25
2.3.1 Solution of Partial Differential Equations Using Fourier Transforms 26
References 28
3 Weighted Residual Methods 31
3.1 Introduction 31
3.2 Collocation Method 33
3.3 Subdomain Method 35
3.4 Least-square Method 37
3.5 Galerkin Method 39
3.6 Comparison of WRMs 40
References 42
4 Boundary Characteristics Orthogonal Polynomials 45
4.1 Introduction 45
4.2 Gram–Schmidt Orthogonalization Process 45
4.3 Generation of BCOPs 46
4.4 Galerkin’s Method with BCOPs 46
4.5 Rayleigh–Ritz Method with BCOPs 48
References 51
5 Finite Difference Method 53
5.1 Introduction 53
5.2 Finite Difference Schemes 53
5.2.1 Finite Difference Schemes for Ordinary Differential Equations 54
5.2.1.1 Forward Difference Scheme 54
5.2.1.2 Backward Difference Scheme 55
5.2.1.3 Central Difference Scheme 55
5.2.2 Finite Difference Schemes for Partial Differential Equations 55
5.3 Explicit and Implicit Finite Difference Schemes 55
5.3.1 Explicit Finite Difference Method 56
5.3.2 Implicit Finite Difference Method 57
References 61
6 Finite Element Method 63
6.1 Introduction 63
6.2 Finite Element Procedure 63
6.3 Galerkin Finite Element Method 65
6.3.1 Ordinary Differential Equation 65
6.3.2 Partial Differential Equation 71
6.4 Structural Analysis Using FEM 76
6.4.1 Static Analysis 76
6.4.2 Dynamic Analysis 78
References 79
7 Finite Volume Method 81
7.1 Introduction 81
7.2 Discretization Techniques of FVM 82
7.3 General Form of Finite Volume Method 82
7.3.1 Solution Process Algorithm 83
7.4 One-Dimensional Convection–Diffusion Problem 84
7.4.1 Grid Generation 84
7.4.2 Solution Procedure of Convection–Diffusion Problem 84
References 89
8 Boundary Element Method 91
8.1 Introduction 91
8.2 Boundary Representation and Background Theory of BEM 91
8.2.1 Linear Differential Operator 92
8.2.2 The Fundamental Solution 93
8.2.2.1 Heaviside Function 93
8.2.2.2 Dirac Delta Function 93
8.2.2.3 Finding the Fundamental Solution 94
8.2.3 Green’s Function 95
8.2.3.1 Green’s Integral Formula 95
8.3 Derivation of the Boundary Element Method 96
8.3.1 BEM Algorithm 96
References 100
9 Akbari–Ganji’s Method 103
9.1 Introduction 103
9.2 Nonlinear Ordinary Differential Equations 104
9.2.1 Preliminaries 104
9.2.2 AGM Approach 104
9.3 Numerical Examples 105
9.3.1 Unforced Nonlinear Differential Equations 105
9.3.2 Forced Nonlinear Differential Equation 107
References 109
10 Exp-Function Method 111
10.1 Introduction 111
10.2 Basics of Exp-Function Method 111
10.3 Numerical Examples 112
References 117
11 Adomian Decomposition Method 119
11.1 Introduction 119
11.2 ADM for ODEs 119
11.3 Solving System of ODEs by ADM 123
11.4 ADM for Solving Partial Differential Equations 125
11.5 ADM for System of PDEs 127
References 130
12 Homotopy Perturbation Method 131
12.1 Introduction 131
12.2 Basic Idea of HPM 131
12.3 Numerical Examples 133
References 138
13 Variational Iteration Method 141
13.1 Introduction 141
13.2 VIM Procedure 141
13.3 Numerical Examples 142
References 146
14 Homotopy Analysis Method 149
14.1 Introduction 149
14.2 HAM Procedure 149
14.3 Numerical Examples 151
References 156
15 Differential Quadrature Method 157
15.1 Introduction 157
15.2 DQM Procedure 157
15.3 Numerical Examples 159
References 165
16 Wavelet Method 167
16.1 Introduction 167
16.2 HaarWavelet 168
16.3 Wavelet–Collocation Method 170
References 175
17 Hybrid Methods 177
17.1 Introduction 177
17.2 Homotopy Perturbation Transform Method 177
17.3 Laplace Adomian Decomposition Method 182
References 186
18 Preliminaries of Fractal Differential Equations 189
18.1 Introduction to Fractal 189
18.1.1 Triadic Koch Curve 190
18.1.2 Sierpinski Gasket 190
18.2 Fractal Differential Equations 191
18.2.1 Heat Equation 192
18.2.2 Wave Equation 194
References 194
19 Differential Equations with Interval Uncertainty 197
19.1 Introduction 197
19.2 Interval Differential Equations 197
19.2.1 Interval Arithmetic 198
19.3 Generalized Hukuhara Differentiability of IDEs 198
19.3.1 Modeling IDEs by Hukuhara Differentiability 199
19.3.1.1 Solving by Integral Form 199
19.3.1.2 Solving by Differential Form 199
19.4 Analytical Methods for IDEs 201
19.4.1 General form of nth-order IDEs 202
19.4.2 Method Based on Addition and Subtraction of Intervals 202
References 206
20 Differential Equations with Fuzzy Uncertainty 209
20.1 Introduction 209
20.2 Solving Fuzzy Linear System of Differential Equations 209
20.2.1 𝛼-Cut of TFN 209
20.2.2 Fuzzy Linear System of Differential Equations (FLSDEs) 210
20.2.3 Solution Procedure for FLSDE 211
References 215
21 Interval Finite Element Method 217
21.1 Introduction 217
21.1.1 Preliminaries 218
21.1.1.1 Proper and Improper Interval 218
21.1.1.2 Interval System of Linear Equations 218
21.1.1.3 Generalized Interval Eigenvalue Problem 219
21.2 Interval Galerkin FEM 219
21.3 Structural Analysis Using IFEM 223
21.3.1 Static Analysis 223
21.3.2 Dynamic Analysis 225
References 227
Index 231
Examines numerical and semi-analytical methods for differential equations that can be used for solving practical ODEs and PDEs
This student-friendly book deals with various approaches for solving differential equations numerically or semi-analytically depending on the type of equations and offers simple example problems to help readers along.
Featuring both traditional and recent methods, Advanced Numerical and Semi Analytical Methods for Differential Equations begins with a review of basic numerical methods. It then looks at Laplace, Fourier, and weighted residual methods for solving differential equations. A new challenging method of Boundary Characteristics Orthogonal Polynomials (BCOPs) is introduced next. The book then discusses Finite Difference Method (FDM), Finite Element Method (FEM), Finite Volume Method (FVM), and Boundary Element Method (BEM). Following that, analytical/semi analytic methods like Akbari Ganji's Method (AGM) and Exp-function are used to solve nonlinear differential equations. Nonlinear differential equations using semi-analytical methods are also addressed, namely Adomian Decomposition Method (ADM), Homotopy Perturbation Method (HPM), Variational Iteration Method (VIM), and Homotopy Analysis Method (HAM). Other topics covered include: emerging areas of research related to the solution of differential equations based on differential quadrature and wavelet approach; combined and hybrid methods for solving differential equations; as well as an overview of fractal differential equations. Further, uncertainty in term of intervals and fuzzy numbers have also been included, along with the interval finite element method. This book:
Discusses various methods for solving linear and nonlinear ODEs and PDEs
Covers basic numerical techniques for solving differential equations along with various discretization methods
Investigates nonlinear differential equations using semi-analytical methods
Examines differential equations in an uncertain environment
Includes a new scenario in which uncertainty (in term of intervals and fuzzy numbers) has been included in differential equations
Contains solved example problems, as well as some unsolved problems for self-validation of the topics covered
Advanced Numerical and Semi Analytical Methods for Differential Equations is an excellent text for graduate as well as post graduate students and researchers studying various methods for solving differential equations, numerically and semi-analytically.
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