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Vector fitting realisation of exact time domain modal nonreflecting boundary condition

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Bavelis, Konstantinos and Mias, Christos (2010) Vector fitting realisation of exact time domain modal nonreflecting boundary condition. Electronics Letters, Vol.46 (No.11). pp. 760-761. doi:10.1049/el.2010.1119

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Official URL: http://dx.doi.org/10.1049/el.2010.1119

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Abstract

To employ the modal nonreflecting boundary condition (MNRBC) in cylindrical coordinates in the finite element time domain (FETD) method, a time domain kernel expression must be found that it is the inverse Laplace transform (ILT) of a known frequency domain function. The inverse Laplace transformation is achieved using a methodology based on the partial fraction expansion of the frequency domain function. However, to date, no FETD results have been published based on this MNRBC methodology. A simpler implementation of the methodology based on vector fitting (VF) is proposed. Using the VF approach, FETD-MNRBC results of plane wave scattering from a cylinder are presented for the first time.

Item Type: Journal Article
Subjects: Q Science > QA Mathematics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Finite element method, Boundary value problems
Journal or Publication Title: Electronics Letters
Publisher: The Institution of Engineering and Technology
ISSN: 0013-5194
Official Date: 27 May 2010
Dates:
DateEvent
27 May 2010Published
Volume: Vol.46
Number: No.11
Number of Pages: 2
Page Range: pp. 760-761
DOI: 10.1049/el.2010.1119
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

Data sourced from Thomson Reuters' Web of Knowledge

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