NDLI: Trilinear hexahedral finite elements with higher-order polynomial field expansions for hybrid SIE/FE large-domain electromagnetic modeling

Content Provider	IEEE Xplore Digital Library
Author	Ilic, M.M. Notaros, B.M.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. &Comput. Eng., Univ. of Massachusetts, North Dartmouth, MA, USA (Ilic, M.M.)
Abstract	The surface integral equation (SIE) formulation in conjunction with the method of moments (MoM) is the "best" choice for modeling of 3D open-region antenna and scattering problems. Partial differential-equation numerical methods, such as the class of finite-element (FE) techniques, are extremely efficient at modeling of 3D structures that predominantly consist of arbitrary shaped heterogeneous (isotropic or anisotropic) nonmetallic material sections. The best way to fully benefit from both approaches in most general practical cases is to hybridize them in an appropriate fashion. Finite elements in the form of electrically large trilinear hexahedrons with higher-order polynomial field expansions are proposed. Numerical benefits from using higher-order expansions for FE modeling are demonstrated on a simple one-dimensional example.
Starting Page	192
Ending Page	195
File Size	190985
Page Count	4
File Format	PDF
ISBN	0780370708
DOI	10.1109/APS.2001.960065
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Polynomials Message-oriented middleware Surface treatment Differential equations Convergence Electromagnetic modeling Moment methods Electromagnetic scattering Wires
Content Type	Text
Resource Type	Article

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