ISBN-10:
1848213913
ISBN-13:
9781848213913
Pub. Date:
07/03/2012
Publisher:
Wiley
Numerical Analysis in Electromagnetics: The TLM Method / Edition 1

Numerical Analysis in Electromagnetics: The TLM Method / Edition 1

by Pierre Saguet
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Product Details

ISBN-13: 9781848213913
Publisher: Wiley
Publication date: 07/03/2012
Series: ISTE Series , #696
Pages: 320
Product dimensions: 6.30(w) x 9.30(h) x 0.90(d)

About the Author

Pierre Saguet is Professor at the Ecole Nationale Supérieure d'Electronique de Grenoble, France, and manager of the electromagnetic modeling team in the IMEP-LAHC laboratory.

Table of Contents

Introduction ix

Chapter 1 Basis of the TLM Method: the 2D TLM Method 1

1.1 Historical introduction 1

1.2 2D simulation 5

1.2.1 Parallel node 5

1.2.2 Series node 8

1.2.3 Simulation of inhomogeneous media with losses 9

1.2.4 Scattering matrices 11

1.2.5 Boundary conditions 14

1.2.6 Dielectric interface passage conditions 15

1.2.7 Dispersion of 2D nodes 17

1.3 The TLM process 22

1.3.1 Basic algorithm 22

1.3.2 Excitation 23

1.3.3 Output signal processing 24

Chapter 2 3D Nodes 29

2.1 Historical development 29

2.1.1 Distributed nodes 29

2.1.2 Asymmetrical condensed node (ACN) 30

2.1.3 The symmetrical condensed node (SCN) 31

2.1.4 Other types of nodes 33

2.2 The generalized condensed node 37

2.2.1 General description 37

2.2.2 Derivation of 3D TLM nodes 41

2.2.3 Scattering matrices 46

2.3 Time step 54

2.4 Dispersion of 3D nodes 55

2.4.1 Theoretical study in simple cases 56

2.4.2 Case of inhomogeneous media 60

2.5 Absorbing walls 60

2.5.1 Matched impedance 61

2.5.2 Segmentation techniques 62

2.5.3 Perfectly matched layers 62

2.5.4 Optimization of the PML layer profile 65

2.5.5 Anisotropic and dispersive layers 67

2.5.6 Conclusion 70

2.6 Orthogonal curvilinear mesh 70

2.6.1 3D TLM curvilinear cell 70

2.6.2 The TLM algorithm 73

2.6.3 Scattering matrices for curvilinear nodes 75

2.6.4 Stability conditions and the time step 78

2.6.5 Validation of the algorithm 79

2.7 Non-Cartesian nodes 81

Chapter 3 Introduction of Discrete Elements and Thin Wires in the TLM Method 85

3.1 Introduction of discrete elements 85

3.1.1 History of 2D TLM 85

3.1.2 3D TLM 89

3.1.3 Application example: modeling of a p-n diode 100

3.2 Introduction of thin wires 105

3.2.1 Arbitrarily oriented thin wire model 106

3.2.2 Validation of the arbitrarily oriented thin wire model 119

Chapter 4 The TLM Method in Matrix Form and the Z Transform 123

4.1 Introduction 123

4.2 Matrix form of Maxwell's equations 124

4.3 Cubic mesh normalized Maxwell's equations 125

4.4 The propagation process 127

4.5 Wave-matter interaction 130

4.6 The normalized parallelepipedic mesh Maxwell's equations 133

4.7 Application example: plasma modeling 136

4.7.1 Theoretical model 136

4.7.2 Validation of the TLM simulation 139

4.8 Conclusion 144

Appendices 145

Appendix A Development of Maxwell's Equations using the Z Transform with a Variable Mesh 147

Appendix B Treatment of Plasma using the Z Transform for the TLM Method 155

Bibliography 161

Index 171

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