Analysis of electromagnetic scattering from an overfilled cavity in the ground plane

Authors:
Aihua Wood
Affiliations:
Air Force Institute of Technology, Mathematics and Statistics, OH
Venue:
Journal of Computational Physics
Year:
2006

Citing 4
Cited 4

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Handbook of Mathematical Functions, With Formulas, Graphs, and Mathematical Tables,

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Two transparent boundary conditions for the electromagnetic scattering from two-dimensional overfilled cavities

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A Fast Preconditioned Iterative Algorithm for the Electromagnetic Scattering from a Large Cavity

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A two-dimensional Helmhotlz equation solution for the multiple cavity scattering problem

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Arbitrary high-order C0 tensor product Galerkin finite element methods for the electromagnetic scattering from a large cavity

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Abstract

In this paper, we consider the scattering of the time-harmonic plane wave by a protruding cavity embedded in the PEC ground plane. An artificial boundary condition is introduced on a semicircle enclosing the cavity that couples the fields from the infinite exterior domain to those inside. Variational formulations for the TM and TE polarizations are derived and existence and uniqueness of weak solutions are established. Finite element error analysis is also performed. Numerical experiments demonstrate the efficiency and accuracy of the method.