Representation of gyromagnetic composite media for FDTD modeling

Author

Koledintseva, Marina Y. ; Drewniak, James L. ; Ye, Xiaoning

Author_Institution

EMC Lab., Missouri Univ., Rolla, MO, USA

Volume

1

fYear

2001

fDate

2001

Firstpage

555

Abstract

A composite media containing particles with a high internal field of magnetic anisotropy (hexagonal ferrites) useful for numerous EMC applications in a wide frequency band is considered. Effective constitutive parameters of a high-loss composite gyromagnetic media are represented in the Lorentzian form. It is convenient for the numerical analysis using the finite-difference time-domain (FDTD) algorithm with a recursive convolution procedure. The equations for the electric and magnetic field updating in such media are represented

Keywords

composite materials; electric fields; electromagnetic compatibility; ferrites; finite difference time-domain analysis; gyromagnetic effect; magnetic anisotropy; magnetic fields; EMC; FDTD algorithm; Lorentzian form; composite media; electric field equations; finite-difference time-domain algorithm; hexagonal ferrites; high internal field; high-loss composite gyromagnetic media; magnetic anisotropy; magnetic field equations; microwave ferrite particles; numerical analysis; recursive convolution procedure; wide frequency band; Convolution; Electromagnetic compatibility; Equations; Ferrites; Finite difference methods; Frequency; Gyromagnetism; Magnetic anisotropy; Numerical analysis; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, 2001. EMC. 2001 IEEE International Symposium on

Conference_Location

Montreal, Que.

Print_ISBN

0-7803-6569-0

Type

conf

DOI

10.1109/ISEMC.2001.950703

Filename

950703