The finite-difference time-domain (FDTD) method has revolutionized antenna design and electromagnetic engineering, and this cutting-edge book offers a highly practical treatment of the subject. This unique resource focuses on the performance optimization and engineering applications of FDTD simulation systems, covering the latest developments in this area and including a complete chapter dedicated to large multiscale problem solving. Professionals receive expert advice on hardware platforms and network systems, and find guidance in distinguishing between the many different electromagnetics software packages on the market today. This detailed book is supported with 250 illustrations, 128 equations, and 11 appendixes filled with helpful data processing techniques related to the FDTD method Table Of Contents: Preface ix Chapter 1 Computational Electromagnetic Methods 1 1.1 FDTD Method 1 1.1.1 FDTD Update Equations 1 1.1.2 Stability Analysis 6 1.1.3 Boundary Conditions 7 1.2 Method of Moments 11 1.3 Finite Element Method 13 1.3.1 Scalar Formulation 14 1.3.2 Vector Formulation 14 1.4 Finite Integration Technique 15 References 17 Chapter 2 FDTD Optimization and Acceleration 19 2.1 Introduction To CPU Architecture 20 2.2 SSE Instruction Set 21 2.3 Cache Optimization 25 2.4 Task Parallelization and Bundling 26 2.5 Prefetch 26 2.6 Reading or Writing Combination 27 2.7 Material Loop-Up Table 28 2.8 Numa Optimization 28 2.9 Implementation of Value FDTD Method 30 References 35 Chapter 3 Parallel FDTD Method and Systems 37 3.1 Parallel FDTD Method 37 3.2 Openmp for Multicore Processors 40 3.3 MPI Technique 41 3.4 Network Card, Switch, and Cable 43 References 46 Chapter 4 Electromagnetic Simulation Techniques 47 4.1 Mesh Generation Techniques 47 4.2 Basic Simulation Procedure 50 4.3 Dipole Antenna 51 4.4 Vivaldi Antenna Simulation 55 4.5 Banded Microwave Connector 60 4.6 Parallel Lines 64 4.7 Two-Port Antenna 67 4.8 Slot Coupling 69 4.9 Microwave Filter 72 4.10 Optimization and