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The Finite Element Method in Electromagnetics

Jian-Ming Jin
TLDR
The Finite Element Method in Electromagnetics, Third Edition as discussed by the authors is a leading textbook on the finite element method, incorporating major advancements and further applications in the field of electromagnetic engineering.
Abstract
A new edition of the leading textbook on the finite element method, incorporating major advancements and further applications in the field of electromagneticsThe finite element method (FEM) is a powerful simulation technique used to solve boundary-value problems in a variety of engineering circumstances. It has been widely used for analysis of electromagnetic fields in antennas, radar scattering, RF and microwave engineering, high-speed/high-frequency circuits, wireless communication, electromagnetic compatibility, photonics, remote sensing, biomedical engineering, and space exploration.The Finite Element Method in Electromagnetics, Third Edition explains the methods processes and techniques in careful, meticulous prose and covers not only essential finite element method theory, but also its latest developments and applicationsgiving engineers a methodical way to quickly master this very powerful numerical technique for solving practical, often complicated, electromagnetic problems.Featuring over thirty percent new material, the third edition of this essential and comprehensive text now includes:A wider range of applications, including antennas, phased arrays, electric machines, high-frequency circuits, and crystal photonicsThe finite element analysis of wave propagation, scattering, and radiation in periodic structuresThe time-domain finite element method for analysis of wideband antennas and transient electromagnetic phenomenaNovel domain decomposition techniques for parallel computation and efficient simulation of large-scale problems, such as phased-array antennas and photonic crystalsAlong with a great many examples, The Finite Element Method in Electromagnetics is an ideal book for engineering students as well as for professionals in the field.

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Journal ArticleDOI

Design and Optimization of a Broadband Waveguide Magic-T Using a Stepped Conducting Cone

TL;DR: In this article, the design of a broadband waveguide magic-T was accomplished using a genetical swarm optimization (GSO) technique using a multi-stepped, off-centered conducting cone to enhance the bandwidth performance of the conventional magic-Ts.

Asymptotic Waveform Evaluation (AWE) Technique for Frequency Domain Electromagnetic Analysis

TL;DR: In this paper, the Asymptotic Waveform Evaluation (AWE) technique is applied to a generalized frequency domain electromagnetic problem and the coefficients of the Taylor''s series are obtained in terms of the frequency derivatives of the matrices evaluated at the expansion frequency.
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On the degrees of freedom of lattice electrodynamics

TL;DR: Using Euler's formula for a network of polygons for 2D case (or polyhedra for 3D case) as mentioned in this paper, it was shown that the number of dynamic degrees of freedom of the electric field equals the number for the magnetic field for electrodynamics formulated on a lattice.
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Three-dimensional orthogonal vector basis functions for time-domain finite element solution of vector wave equations

TL;DR: Three-dimensional (3-D) orthogonal vector basis functions are developed for the time-domain finite element solution of vector wave equations that enforce both the tangential continuity of the electric field and the normal continuity ofthe electric flux.
Journal ArticleDOI

Calculation of Fully Anisotropic Liquid Crystal Waveguide Modes

TL;DR: In this article, a finite-element mode solver is used to incorporate the full anisotropy of the materials in the liquid crystal properties of optical waveguides, and the authors present calculations that combine an advanced algorithm for calculating liquid crystal behavior and a finite element solver.