NDLI: Implementation of loop co-tree basis functions for EFIE formulation at low frequency

Content Provider	IET Digital Library
Author	Seo, Seung Mo
Abstract	In this study, a method of moments (MoM) of electric field integral equation (EFIE) formulation using the loop co-tree basis functions has been implemented, analysed, and applied to the electromagnetic solution of perfect electric conducting objects at low frequency. The EFIE with Rao–Wilton–Glisson (RWG) basis functions suffer from low-frequency instability. Even for an appropriate frequency, the EFIE with RWG basis functions is ill-posed. However, the matrix form of the EFIE with loop co-tree basis functions is well-conditioned when combined with an iterative solver such as a type of Krylov subspace methods. The approach is shown to be very effective for resolving both the low-frequency instability and the ill-condition of the MoM matrix with a generalised minimal residual method.
Starting Page	118
Ending Page	121
Page Count	4
ISSN	17518725
Volume Number	13
e-ISSN	17518733
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/13/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5485
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2018-09-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Appropriate Frequency Computational Electromagnetics EFIE Formulation Electric Field Integral Equation Electric Field Integral Equation Formulation Electromagnetic Wave Propagation Electromagnetic Wave Scattering Integral Equation Interpolation And Function Approximation Iterative Method Loop Co-tree Basis Function Low Frequency Low-frequency Instability Method of Moments Numerical Analysis Numerical Approximation And Analysis Perfect Electric Conducting Objects Rao–Wilton–Glisson Basis Functions RWG Basis Function
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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