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守恒定律用的数值法pdf电子书版本下载
- （美）勒维克著 著
- 出版社： 世界图书北京出版公司
- ISBN：9787510027406
- 出版时间：2010
- 标注页数：214页
- 文件大小：39MB
- 文件页数：225页
- 主题词：双曲型方程－数值计算－英文
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图书目录
1 Introduction 1
1.1 Conservation laws 1
1.2 Applications 2
1.3 Mathematical difficulties 8
1.4 Numerical difficulties 9
1.5 Some references 12
2 The Derivation of Conservation Laws 14
2.1 Integral and differential forms 14
2.2 Scalar equations 16
2.3 Diffusion 17
3 Scalar Conservation Laws 19
3.1 The linear advection equation 19
3.1.1 Domain of dependence 20
3.1.2 Nonsmooth data 21
3.2 Burgers' equation 23
3.3 Shock formation 25
3.4 Weak solutions 27
3.5 The Riemann Problem 28
3.6 Shock speed 31
3.7 Manipulating conservation laws 34
3.8 Entropy conditions 36
3.8.1 Entropy functions 37
4 Some Scalar Examples 41
4.1 Traffic flow 41
4.1.1 Characteristics and "sound speed" 44
4.2 Two phase flow 48
5 Some Nonlinear Systems 51
5.1 The Euler equations 51
5.1.1 Ideal gas 53
5.1.2 Entropy 54
5.2 Isentropic flow 55
5.3 Isothermal flow 56
5.4 The shallow water equations 56
6 Linear Hyperbolic Systems 58
6.1 Characteristic variables 58
6.2 Simple waves 60
6.3 The wave equation 60
6.4 Linearization of nonlinear systems 61
6.4.1 Sound waves 63
6.5 The Riemann Problem 64
6.5.1 The phase plane 67
7 Shocks and the Hugoniot Locus 70
7.1 The Hugoniot locus 70
7.2 Solution of the Riemann problem 73
7.2.1 Riemann problems with no solution 75
7.3 Genuine nonlinearity 75
7.4 The Lax entropy condition 76
7.5 Linear degeneracy 78
7.6 The Riemann problem 79
8 Rarefaction Waves and Integral Curves 81
8.1 Integral curves 81
8.2 Rarefaction waves 82
8.3 General solution of the Riemann problem 86
8.4 Shock collisions 88
9 The Riemann problem for the Euler equations 89
9.1 Contact discontinuities 89
9.2 Solution to the Riemann problem 91
Ⅱ Numerical Methods 95
10 Numerical Methods for Linear Equations 97
10.1 The global error and convergence 102
10.2 Norms 103
10.3 Local truncation error 104
10.4 Stability 106
10.5 The Lax Equivalence Theorem 107
10.6 The CFL condition 110
10.7 Upwind methods 112
11 Computing Discontinuous Solutions 114
11.1 Modified equations 117
11.1.1 First order methods and diffusion 118
11.1.2 Second order methods and dispersion 119
11.2 Accuracy 121
12 Conservative Methods for Nonlinear Problems 122
12.1 Conservative methods 124
12.2 Consistency 126
12.3 Discrete conservation 128
12.4 The Lax-Wendroff Theorem 129
12.5 The entropy condition 133
13 Godunov's Method 136
13.1 The Courant-Isaacson-Rees method 137
13.2 Godunov's method 138
13.3 Linear systems 140
13.4 The entropy condition 142
13.5 Scalar conservation laws 143
14 Approximate Riemann Solvers 146
14.1 General theory 147
14.1.1 The entropy condition 148
14.1.2 Modified conservation laws 149
14.2 Roe's approximate Riemann solver 149
14.2.1 The numerical flux function for Roe's solver 150
14.2.2 A sonic entropy fix 151
14.2.3 The scalar case 153
14.2.4 A Roe matrix for isothermal flow 156
15 Nonlinear Stability 158
15.1 Convergence notions 158
15.2 Compactness 159
15.3 Total variation stability 162
15.4 Total variation diminishing methods 165
15.5 Monotonicity preserving methods 165
15.6 l1-contracting numerical methods 166
15.7 Monotone methods 169
16 High Resolution Methods 173
16.1 Artificial Viscosity 173
16.2 Flux-limiter methods 176
16.2.1 Linear systems 182
16.3 Slope-limiter methods 183
16.3.1 Linear Systems 187
16.3.2 Nonlinear scalar equations 188
16.3.3 Nonlinear Systems 191
17 Semi-discrete Methods 193
17.1 Evolution equations for the cell averages 193
17.2 Spatial accuracy 195
17.3 Reconstruction by primitive functions 196
17.4 ENO schemes 198
18 Multidimensional Problems 200
18.1 Semi-discrete methods 201
18.2 Splitting methods 202
18.3 TVD Methods 206
18.4 Multidimensional approaches 206
Bibliography 208