Convergence of the finite element method as applied to electromagnetic scattering problems in the presence of inhomogeneous media

Approximate radiation boundary conditions (BCs) make partial-differential-equation-based methods attractive for the solution of electromagnetic scattering problems, especially for geometrically complex inhomogenous targets. These BCs allow for an exterior boundary value problem (BVP) to be approxima...

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Bibliographic Details
Published in:IEEE transactions on magnetics Vol. 27; no. 5; pp. 3845 - 3847
Main Authors: Bahramasel, L.J., Whitaker, R.A.
Format: Journal Article Conference Proceeding
Language:English
Published: New York, NY IEEE 01.09.1991
Institute of Electrical and Electronics Engineers
Subjects:
Boundary value problems
Computer errors
Convergence
Dielectrics
Electromagnetic radiation
Electromagnetic scattering
Electromagnetism; electron and ion optics
Equations
Exact sciences and technology
Finite element methods
Fundamental areas of phenomenology (including applications)
Nonhomogeneous media
Physics
Tellurium
ISSN:0018-9464, 1941-0069
Online Access:Get full text
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Summary:Approximate radiation boundary conditions (BCs) make partial-differential-equation-based methods attractive for the solution of electromagnetic scattering problems, especially for geometrically complex inhomogenous targets. These BCs allow for an exterior boundary value problem (BVP) to be approximated by an interior BVP. The use of the second-order Bayliss-Turkel BC for two-dimensional inhomogeneous targets is considered. In numerical experiments the rate of convergence with respect to mesh size previously predicted continues to hold.< >
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ISSN:0018-9464
1941-0069
DOI:10.1109/20.104940