dummies
 

Suchen und Finden

Titel

Autor/Verlag

Inhaltsverzeichnis

Nur ebooks mit Firmenlizenz anzeigen:

 

Basic Structured Grid Generation - With an introduction to unstructured grid generation

M Farrashkhalvat, J P Miles

 

Verlag Elsevier Trade Monographs, 2003

ISBN 9780080472089 , 256 Seiten

Format PDF, ePUB, OL

Kopierschutz DRM

Geräte

73,95 EUR


 

Contents

6

Preface

10

1. Mathematical preliminaries – vector and tensor analysis

12

1.1 Introduction

12

1.2 Curvilinear co-ordinate systems and base vectors in E3

12

1.3 Metric tensors

15

1.4 Line, area, and volume elements

19

1.5 Generalized vectors and tensors

19

1.6 Christoffel symbols and covariant differentiation

25

1.7 Div, grad, and curl

30

1.8 Summary of formulas in two dimensions

34

1.9 The Riemann-Christoffel tensor

37

1.10 Orthogonal curvilinear co-ordinates

38

1.11 Tangential and normal derivatives – an introduction

39

2. Classical differential geometry of space- curves

41

2.1 Vector approach

41

2.2 The Serret-Frenet equations

43

2.3 Generalized co-ordinate approach

46

2.4 Metric tensor of a space-curve

49

3. Differential geometry of surfaces in E3

53

3.1 Equations of surfaces

53

3.2 Intrinsic geometry of surfaces

57

3.3 Surface covariant differentiation

62

3.4 Geodesic curves

65

3.5 Surface Frenet equations and geodesic curvature

68

3.6 The second fundamental form

71

3.7 Principal curvatures and lines of curvature

74

3.8 Weingarten, Gauss, and Gauss-Codazi equations

78

3.9 Div, grad, and the Beltrami operator on surfaces

81

4. Structured grid generation – algebraic methods

87

4.1 Co-ordinate transformations

87

4.2 Unidirectional interpolation

91

4.3 Multidirectional interpolation and TFI

103

4.4 Stretching transformations

109

4.5 Two-boundary and multisurface methods

114

4.6 Website programs

119

5. Differential models for grid generation

127

5.1 The direct and inverse problems

127

5.2 Control functions

130

5.3 Univariate stretching functions

131

5.4 Conformal and quasi-conformal mapping

133

5.5 Numerical techniques

136

5.6 Numerical solutions of Winslow equations

142

5.7 One-dimensional grids

147

5.8 Three-dimensional grid generation

151

5.9 Surface-grid generation model

152

5.10 Hyperbolic grid generation

153

5.11 Solving the hosted equations

154

5.12 Multiblock grid generation

157

5.13 Website programs

159

6. Variational methods and adaptive grid generation

163

6.1 Introduction

163

6.2 Euler-Lagrange equations

164

6.3 One-dimensional grid generation

168

6.4 Two-dimensional grids

175

6.5 Harmonic maps

183

6.6 Website programs

188

7. Moving grids and time-dependent co- ordinate systems

191

7.1 Time-dependent co-ordinate transformations

191

7.2 Time-dependent base vectors

192

7.3 Transformation of generic convective terms

195

7.4 Transformation of continuity and momentum equations

196

7.5 Application to a moving boundary problem

198

8. Unstructured grid generation

201

8.1 Introduction

201

8.2 Delaunay triangulation

202

8.3 Advancing front technique (AFT)

214

8.4 Solving hosted equations using finite elements

228

8.5 Website programs

232

Bibliography

238

Index

240