Computational Electromagnetics and Its Applications

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Thomas G. Campbell, Roy A. Nicolaides, Manuel D. Salas
Springer Science & Business Media, Dec 6, 2012 - Technology & Engineering - 320 pages
This volume contains the proceedings of the first ICASE/LaRC Work shop on Computational Electromagnetics and Its Applications conducted by the Institute for Computer Applications in Science and Engineering and NASA Langley Research Center. We had several goals in mind when we decided, jointly with the Elec tromagnetics Research Branch, to organize this workshop on Computa tional Electromagnetics ( CEM). Among our goals were a desire to obtain an overview of the current state of CEM, covering both algorithms and ap plications and their effect on NASA's activities in this area. In addition, we wanted to provide an attractive setting for computational scientists with expertise in other fields, especially computational fluid dynamics (CFD), to observe the algorithms and tools of CEM at work. Our expectation was that scientists from both fields would discover mutually beneficial inter connections and relationships. Another goal was to learn of progress in solution algorithms for electromagnetic optimization and design problems; such problems make extensive use of field solvers and computational effi ciency is at a premium. To achieve these goals we assembled the renowned group of speakers from academia and industry whose talks are contained in this volume. The papers are printed in the same order in which the talks were pre sented at the meeting. The first paper is an overview of work currently being performed in the Electromagnetic Research Branch at the Langley Research Center.
 

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Contents

Overview of EM Research in the Electromagnetic Research
15
Antenna Optimization Using the Genetic Algorithm
53
Electromagnetic Analysis for Microwave Applications
80
CEM for Radar Cross Section Application
97
ReducedOrder Electromagnetic Modeling for DesignDriven
126
vi
143
The True Origin of Spurious Solutions and Their Avoidance
155
A Note on the Use of Divergence Boundary Conditions
185
Parallel Hierarchical Solvers and Preconditioners
212
FiniteDifference TimeDomain FDTD Computational
229
Large Hybrid Finite Element Methods for Electromagnetics
287
List of Attendees
308
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