Variational reaction formulation of scattering problem for anisotropic dielectric cylinders

Author

Wu, Ruey-beel ; Chen, Chun hsiung

Author_Institution

National Taiwan University, Taipei, Taiwan, Republic of China

Volume

34

Issue

5

fYear

1986

fDate

5/1/1986 12:00:00 AM

Firstpage

640

Lastpage

645

Abstract

The variational reaction theory is applied to obtain the ( $E_{Z}, H_{z}$ )formulation for the scattering problem when a plane wave is obliquely incident upon an inhomogeneous and anisotropic dielectric cylinder. The variational equation is then solved by the finite element method together with the frontal solution technique. Numerical results for scattering cross sections of anisotropic LiNbO³cylinders are included to discuss the influence due to material anisotropy and oblique incidence. Also depicted is the guiding characteristics of the cylinder when the inhomogeneous wave is considered, in addition, the formulas of scattering cross sections at low frequencies are derived and compared with the numerical results.

Keywords

Cylinders; Electromagnetic scattering by anisotropic media; Electromagnetic scattering by nonhomogeneous media; Variational methods; Anisotropic magnetoresistance; Boundary conditions; Dielectric materials; Electromagnetic radiation; Electromagnetic scattering; Engine cylinders; Finite element methods; Frequency; Integral equations; Tensile stress;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.1986.1143874

Filename

1143874