Hybridization Of A Boundary Element Method With The Finite Element
Method In Electromagnetics
Author(s)
C. A. Balanis, A. C. Polycarpou, M. N. Vouvakis and C. R. Birtcher
Abstract
Hybridization of a boundary element method
with the finite element method in
electromagnetics
C. A. Balanis, A. C. Polycarpou, M. N. Vouvakis and C. R. Birtcher
Department of Electrical Engineering,
Telecommunicaions Research Center
Arizona State University, USA
Abstract
A three-dimensional finite element method hybridized with the spectral and
spatial domain method of moments is presented for the analysis of ferrite-
tuned cavity-backed slot antennas. The cavity, which is partially filled with
magnetized ferrite layers, is flush mounted on an infinite ground plane with
possible dielectric or magnetic overlay. The antenna operates primarily in
the ultra high frequency band.
The finite element method is used to solve for the electric field dis-
tribution inside the cavity whereas the spectral domain approach is used
to solve for the exterior region. An asymptotic extraction of the exponen-
tial behavior of the Green's function followed by a spatial evaluation of the
resulting in
Keywords
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