Bavelis, Konstantinos and Mias, Christos. (2012) A sparse-matrix methodology for finite element time domain modal non-reflecting boundary condition simulations. IET Microwaves, Antennas & Propagation, Volume 6 (Number 8). pp. 945-955. ISSN 1751-8733

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Abstract

A sparse-matrix Finite Element Time Domain (FETD)formulation employing a modal non-reflecting boundary condition (MNRBC) is proposed for the modeling of plane wave scattering from cylinders of arbitrary cross-section. Unlike the standard FETD-MNRBC formulation, the proposed formulation does not generate full sub-matrices following the discretisation of the boundary integral. Hence it requires less computation memory than the standard formulation. The accuracy of the proposed sparse-matrix FETD-MNRBC formulation is demonstrated, in two-dimensions, by comparing its bistatic scattering width results with those of the standard FETD-MNRBC formulation, the finite element frequency domain method and with analytical or published results.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Finite element method, Sparse matrices, Time-domain analysis
Journal or Publication Title:	IET Microwaves, Antennas & Propagation
Publisher:	The Institution of Engineering and Technology
ISSN:	1751-8733
Official Date:	7 June 2012
Dates:	Date Event 7 June 2012 Published
Volume:	Volume 6
Number:	Number 8
Page Range:	pp. 945-955
Identification Number:	10.1049/iet-map.2011.0057
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/40659

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