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Modeling of Electromagnetic Wave Propagation in Guides with Inhomogeneous Dielectric Inclusions
Lomonosov Moscow State University, Moscow, Russian Federation.
Lomonosov Moscow State University, Moscow, Russian Federation.
Karlstad University, Karlstad, Sweden.
2013 (engelsk)Inngår i: Springer Proceedings in Mathematics & statistics, ISSN 2194-1017, E-ISSN 2194-1009, Vol. 52, s. 113-118Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We consider scattering in the time domain of electromagnetic waves from inhomogeneous dielectric inclusions in a 3D waveguide of rectangular cross section. All electromagnetic field components are calculated, and transport of energy in the guide is investigated using finite difference time domain (FDTD) method in different frequency ranges. An efficient 3D FDTD EMWSolver3D solver for the nonstationary Maxwell equation system is used. The model computations are performed for the H10-mode scattering from parallelepiped-shaped dielectric inclusions. Attenuation and propagation factors are calculated for the transmitted modes and field distributions are visualized. The present method can be used for a wide class of waveguide problems that meet substantial difficulties as far as numerical solution by conventional FDTD methods is concerned due to complex geometries or computational requirements. The solver employs algorithms of parallel computations and is implemented on supercomputers of last generation for solving large-scale problems with characteristic matrix dimensions achieving 1012.

sted, utgiver, år, opplag, sider
2013. Vol. 52, s. 113-118
Emneord [en]
Acoustics; Electromagnetic fields; Electromagnetic wave propagation; Electromagnetic waves; Finite difference time domain method; Supercomputers; Three dimensional; Waveguides, Characteristic matrices; Computational requirements; Dielectric inclusions; Electromagnetic field components; Finite-difference time-domain (FDTD) methods; Inhomogeneous dielectrics; Parallel Computation; Rectangular cross-sections, Time domain analysis
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Identifikatorer
URN: urn:nbn:se:hig:diva-22869DOI: 10.1007/978-3-319-00660-4_8Scopus ID: 2-s2.0-84892698056OAI: oai:DiVA.org:hig-22869DiVA, id: diva2:1050233
Tilgjengelig fra: 2016-11-28 Laget: 2016-11-28 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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