The Finite Difference Time Domain Method for Electromagnetics  book cover
1st Edition

The Finite Difference Time Domain Method for Electromagnetics

ISBN 9780367402372
Published September 27, 2019 by CRC Press
464 Pages

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Book Description

The Finite-Difference Time-domain (FDTD) method allows you to compute electromagnetic interaction for complex problem geometries with ease. The simplicity of the approach coupled with its far-reaching usefulness, create the powerful, popular method presented in The Finite Difference Time Domain Method for Electromagnetics. This volume offers timeless applications and formulations you can use to treat virtually any material type and geometry.
The Finite Difference Time Domain Method for Electromagnetics explores the mathematical foundations of FDTD, including stability, outer radiation boundary conditions, and different coordinate systems. It covers derivations of FDTD for use with PEC, metal, lossy dielectrics, gyrotropic materials, and anisotropic materials. A number of applications are completely worked out with numerous figures to illustrate the results. It also includes a printed FORTRAN 77 version of the code that implements the technique in three dimensions for lossy dielectric materials.
There are many methods for analyzing electromagnetic interactions for problem geometries. With The Finite Difference Time Domain Method for Electromagnetics, you will learn the simplest, most useful of these methods, from the basics through to the practical applications.

Table of Contents

Fundamental Concepts Scattered Field FDTD Formulation FDTD Basics Basic Applications Coupling Effects Waveguide Aperture Coupling Lossy Dielectric Scattering Special Capabilities Far Zone Transformation Frequency Dependent Materials Surface Impedance Subcellular Extensions Nonlinear Loads and Materials Visualization Advanced Applications Far Zone Scattering Antennas Gyrotropic Media Mathematical Basis of FDTD and Alternate Methods Difference Equations in General Stability, Dispersion, Accuracy Outer Radiation Boundary Conditions Alternate Formulations Appendix A: Other Coordinate Systems and Reduced Dimensions Appendix B: FORTRAN Listings

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Kunz, Karl S.; Luebbers, Raymond J.