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Finite-element time-domain modelling of plane wave scattering by a periodic structure using an exact boundary condition
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Cai, Yong and Mias, Christos (2007) Finite-element time-domain modelling of plane wave scattering by a periodic structure using an exact boundary condition. IET Microwaves Antennas & Propagation, Vol.1 (No.3). pp. 609-616. doi:10.1049/iet-map:20050339 ISSN 1751-8725.
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Official URL: http://dx.doi.org/10.1049/iet-map:20050339
Abstract
A two-dimensional singly-periodic structure, at plane wave oblique incidence, is modelled using the finite-element time-domain method. Over the non-periodic boundaries of the computational domain, an exact Floquet modal absorbing boundary condition is developed, in detail, for the finite element method in the time domain. The proposed formulation is validated by comparing its results with that of the finite-element frequency-domain method and with independently obtained published results. Very accurate numerical results, over a wide frequency range and incident angle range, are obtained for both transverse electric and transverse magnetic polarised plane wave illuminations.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | IET Microwaves Antennas & Propagation | ||||
Publisher: | The Institution of Engineering and Technology | ||||
ISSN: | 1751-8725 | ||||
Official Date: | June 2007 | ||||
Dates: |
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Volume: | Vol.1 | ||||
Number: | No.3 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 609-616 | ||||
DOI: | 10.1049/iet-map:20050339 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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