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A sparse-matrix methodology for finite element time domain modal non-reflecting boundary condition simulations
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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. doi:10.1049/iet-map.2011.0057 ISSN 1751-8733.
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Official URL: http://dx.doi.org/10.1049/iet-map.2011.0057
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 | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > 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: |
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Volume: | Volume 6 | ||||
Number: | Number 8 | ||||
Page Range: | pp. 945-955 | ||||
DOI: | 10.1049/iet-map.2011.0057 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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