NDLI: Finite Element Analysis of Complex Antennas and Arrays

Content Provider	IEEE Xplore Digital Library
Author	Jian-Ming Jin Zheng Lou Yu-Jia Li Riley, N.W. Riley, D.J.
Copyright Year	1963
Abstract	Various technical issues are addressed in the frequency- and time-domain finite element analysis of complex antennas and arrays that may consist of fine structures and composite materials. The paper starts with the finite element formulation of a generic antenna problem. Formulation for the modeling of general electrically and magnetically dispersive, lossy, and anisotropic materials in the time-domain finite element analysis is presented for the first time. This is followed by discussion of three typical techniques for truncation of the finite element computational domain via the use of absorbing boundary conditions, perfectly matched layers, and boundary integral equations. It then describes the modeling of antenna feeds using a current probe (including an improved model), a voltage gap, and a waveguide port boundary condition. After that, numerical approaches to modeling infinite phased arrays, large finite arrays, and antenna-platform interaction are presented, including two novel domain decomposition algorithms in both the frequency and time domains. Numerical examples are given to demonstrate the capability and application of the finite element analysis of a variety of complex antennas and arrays.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2222
Ending Page	2240
Page Count	19
File Size	3306948
File Format	PDF
ISSN	0018926X
Volume Number	56
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Antenna arrays Phased arrays Time domain analysis Magnetic analysis Boundary conditions Frequency Composite materials Magnetic anisotropy Perpendicular magnetic anisotropy time domain analysis finite element methods numerical analysis phased arrays
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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