Higher Order Basis Based Integral Equation Solver (HOBBIES)

YU ZHANG, PhD, is a professor in the School of Electronic Engineering at Xidian University in Xi'an, China.TAPAN K. SARKAR, PhD, is a professor in the Department of Electrical Engineering and Computer Science at Syracuse University, New York, USA.XUNWANG ZHAO, PhD, is an associate professor in the School of Electronic Engineering at Xidian University, Xi'an, China.DANIEL GARCIA-DOÑORO is a PhD student in the Department of Signal Theory and Communications at Universidad Carlos III de Madrid in Madrid, Spain.WEIXIN ZHAO is a PhD student in the Department of Electrical Engineering and Computer Science at Syracuse University, New York, USA.MAGDALENA SALAZAR-PALMA, PhD, is a professor in the Department of Signal Theory and Communications at Universidad Carlos III de Madrid, Spain.SIOWENG TING, PhD, is an assistant professor in the Department of Electrical and Computer Engineering at the University of Macau, China.

• Preface xvAcknowledgments xxiAcronyms xxiiiChapter 1. Electromagnetic Modeling of Composite Metallic and Dielectric Structures Using Higher Order Basis Functions 11.0   Summary1.1 Integral Equations for Dielectric Structures 1.2 A General Formulation for the Analysis of Composite Metallic and Dielectric Structures 51.3 Geometric Modeling 81.4 MoM Modeling of the Structures 141.5 Description of Higher Order Basis Functions 211.6 Testing Procedure 281.7 Modeling of the Excitations 351.8 Examples Illustrating the Requirements of the Geometrical Modeling 391.9 Examples Illustrating the Salient Features of the Higher Order Basis Functions 431.10 Performance of the PMCHW Formulation Using Higher Order Basis Functions for Different Values of the Dielectric Constants 481.11 Performance of the PMCHW Formulation at Very Low Frequencies Using Higher Order Basis Functions for Dielectric Bodies 501.12 Evaluation of Antenna and Scatterer Characteristics 521.13 Conclusions 55References 55Chapter 2. Parallel In-Core and Out-of-Core LU Factorization for Solving a Matrix Equation and the Corresponding Parallel Matrix Filling in HOBBIES 572.0   Summary 52.1 Matrix Equation Resulting from a MoM Code 582.2 In-core Matrix Equation Solver  582.3 Parallel Implementation of an In-core Solver 602.4 Data Decomposition for an Out-of-Core Solver 642.5 On-slab, Left-looking, Out-of-core LU Algorithm 662.6 Solving a Matrix Equation Using the Out-of-core LU Matrices 742.7 Parallel In-core and Out-of-core Matrix Filling Schemes 762.8 Conclusions 80References 81Chapter 3. Getting Started and Working with HOBBIES Projects 833.0 Summary 833.1 System Requirements 833.2 Installing HOBBIES 843.3 Starting HOBBIES 903.4 Navigation through HOBBIES 913.5 Working with HOBBIES Projects 1013.6 Flowchart for Making a HOBBIES Simulation 1033.7 Exiting HOBBIES 1053.8 Getting Help 1053.9 Quick Start 1053.10 Conclusion 106References 106Chapter 4. Creating a Geometry Model in HOBBIES 1074.0 Summary 1074.1 Creating a Simple Model Using the Structure Menu 1074.2 Creating an Arbitrarily Shaped Model Using the Geometry Menu 1564.3 Operations on a Model 1714.4 Manipulations on a Model 1894.5 Delete a Model 1974.6 Conclusion 197References 198Chapter 5. Meshing a Model in HOBBIES 1995.0 Summary 1995.1 Unstructured Mesh 2005.2 Structured Mesh 2025.3 Element Type 2055.4 Mesh Criteria 2065.5 Reset Mesh Data 2075.6 Draw 2085.7 Generate Mesh 2105.8 Erase Mesh 2115.9 Edit Mesh 2115.10 Show Errors 2125.11 Mesh Quality 2135.12 Mesh Options from Model 2145.13 Mesh Generation Example for Surfaces 2145.14 Example of Mesh Generation for a Curve 2185.15 Assigning Element Sizes for Generating the Mesh 2215.16 Conclusion 226References 226Chapter 6. Setting up a HOBBIES Solution and Running a Simulation 2276.0 Summary 2276.1 Operation Mode 2286.2 Units 2286.3 Frequency Range 2306.4 Domains 2306.5 Loadings 2386.6 Excitation 2426.7 Symmetry 2486.8 Edge 2506.9 Output Settings 2546.10 Options 2586.11 Running Simulations 2656.12 Conclusion 272Chapter 7. HOBBIES Post-Processing for Visualizing the Results 2737.0 Summary 2737.1 Entering Post-Processing Window 2747.2 Post-Processing Window 2747.3 Example of Operations in Post-Processing 2807.4 Leaving Post-Processing Window 3167.5 Limitation of Post-Processing display in Academic Version of HOBBIES 3207.6 Conclusion 320Chapter 8. Solving Electromagnetic Field Problems Using HOBBIES 3218.0 Summary 3218.1 Metallic Structures 3228.2 Composite Metallic and Dielectric Structures 3508.3 Loadings 3748.4 Use of Symmetry in the Analysis of a Problem 3988.5 Antenna above a Real Ground 4288.6 Use of Imaging for Generating an Accurate Solution 4368.7 Conclusion 442References 442Chapter 9. Advanced Electromagnetic Modeling Using HOBBIES 4439.0 Summary 4439.1 Radiation Analysis of Complicated Antennas 4449.2 Radar Cross Section (RCS) Calculation of Complex Targets 4589.3 Conclusion 476References 476Chapter 10. HOBBIES Optimizer and its Applications 47910.0 Summary10.1 Flowchart of the HOBBIES Optimizer 48010.2 Optimization Algorithms Used in the Optimizer 48210.3 Setting up the HOBBIES Optimizer 48710.4 Optimization Examples 50710.5 Conclusion 516References 516Appendix A. A Brief Summary of Some Commands Used in HOBBIES 517Appendix B. A List of all Codes in the Accompanying CD 525Index 531