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Electromagnetic scattering by cylindrical orthotropic waveguide irises

Electromagnetic scattering by cylindrical orthotropic waveguide irises The paper is devoted to the mathematical analysis of scattered time-harmonic electromagnetic waves by an infinitely long cylindrical orthotropic waveguide iris. This is modeled by an orthotropic Maxwell system in a cylindrical waveguide iris for plane waves propagating in the x 3 -direction, imbedded in an isotropic infinite medium. The problem is equivalently reduced to a 2-dimensional boundary-contact problem with the operator div M grad++ k 2 inside the domain and the (Helmholtz) operator ΔΔ++ k 2 == div grad++ k 2 outside the domain. Here M is a 2 ×× 2 positive definite, symmetric matrix with constant, real valued entries. The unique solvability of the appropriate boundary value problems is proved and the regularity of solutions is established in Bessel potential spaces. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Georgian Mathematical Journal de Gruyter

Electromagnetic scattering by cylindrical orthotropic waveguide irises

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References (31)

Publisher
de Gruyter
Copyright
©© de Gruyter 2011
ISSN
1072-947X
eISSN
1072-9176
DOI
10.1515/GMJ.2011.0009
Publisher site
See Article on Publisher Site

Abstract

The paper is devoted to the mathematical analysis of scattered time-harmonic electromagnetic waves by an infinitely long cylindrical orthotropic waveguide iris. This is modeled by an orthotropic Maxwell system in a cylindrical waveguide iris for plane waves propagating in the x 3 -direction, imbedded in an isotropic infinite medium. The problem is equivalently reduced to a 2-dimensional boundary-contact problem with the operator div M grad++ k 2 inside the domain and the (Helmholtz) operator ΔΔ++ k 2 == div grad++ k 2 outside the domain. Here M is a 2 ×× 2 positive definite, symmetric matrix with constant, real valued entries. The unique solvability of the appropriate boundary value problems is proved and the regularity of solutions is established in Bessel potential spaces.

Journal

Georgian Mathematical Journalde Gruyter

Published: Mar 1, 2011

Keywords: Maxwell's system; orthotropic waveguide; Helmholtz's equation; uniqueness; existence; potential theory; boundary pseudodifferential equation

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