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Optimization of the boundary conditions and computational parameters for the FDTD solution of the inverse problem of reconstructing permittivity of a dielectric inclusion in a waveguide
Lomonosov Moscow State University, Moscow, Russian Federation.
Lomonosov Moscow State University, Moscow, Russian Federation.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Mathematics.
2016 (English)In: 2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings, 2016, 211-216 p., 773429Conference paper, (Refereed)
Abstract [en]

Wave propagation in a waveguide of rectangular cross section with perfectly conducting wall containing an inhomogeneous dielectric insert in the form of a parallel-plane diaphragm with an inclusion is simulated numerically. The permittivity of the inclusion is a quantity to be restored from as little information about the scattered field as possible using FDTD numerical solution of Maxwell’s equations with nonlocal multimode scattering boundary conditions. The optimal number of higher-order evanescent waves and the size of the computational waveguide domain are found using the series of numerical experiments.

Place, publisher, year, edition, pages
2016. 211-216 p., 773429
Keyword [en]
Boundary conditions; Dielectric materials; Maxwell equations; Permittivity; Wave propagation; Waveguides, Computational parameters; Dielectric inclusions; Inhomogeneous dielectrics; Numerical experiments; Numerical solution; Perfectly conducting walls; Rectangular cross-sections; Scattering-boundary conditions, Inverse problems
National Category
Mathematics
Identifiers
URN: urn:nbn:se:hig:diva-23269DOI: 10.1109/PIERS.2016.7734295ISI: 000400013900090Scopus ID: 2-s2.0-85006725504ISBN: 978-1-5090-6093-1 (print)OAI: oai:DiVA.org:hig-23269DiVA: diva2:1063657
Conference
2016 Progress In Electromagnetics Research Symposium, PIERS 2016, 8-11 August 2016, Shanghai, China
Available from: 2017-01-10 Created: 2017-01-10 Last updated: 2017-06-16Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf