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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.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Matematik.
2016 (engelsk)Inngår i: 2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings, 2016, s. 211-216, artikkel-id 773429Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
2016. s. 211-216, artikkel-id 773429
Emneord [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
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Identifikatorer
URN: urn:nbn:se:hig:diva-23269DOI: 10.1109/PIERS.2016.7734295ISI: 000400013900090Scopus ID: 2-s2.0-85006725504ISBN: 978-1-5090-6093-1 (tryckt)OAI: oai:DiVA.org:hig-23269DiVA, id: diva2:1063657
Konferanse
2016 Progress In Electromagnetics Research Symposium, PIERS 2016, 8-11 August 2016, Shanghai, China
Tilgjengelig fra: 2017-01-10 Laget: 2017-01-10 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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