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Direct Boundary Integral Equation Method for Electromagnetic Scattering at Partly Coaeted Dielectric Objects

by B. Cranganu-Cretu and R. Hiptmair

(Report number 2004-06)

Abstract
We present a new variational direct boundary integral equation approach for solving the scattering and transmission problem for dielectric objects partially coated with a PEC layer. The main idea is to use to use the electromagnetic Calderon projector along with transmission conditions for the electromagnetic fields. This leads to a symmetric variational formulation which lends itself to Galerkin discretization by means of divergence-conforming discrete surface currents. A wide array of numerical experiments confirms the efficacy of the new method.

Keywords:

@Techreport{CH04_333,
  author = {B. Cranganu-Cretu and R. Hiptmair},
  title = {Direct Boundary Integral Equation Method for Electromagnetic Scattering at Partly Coaeted Dielectric Objects},
  institution = {Seminar for Applied Mathematics, ETH Z{\"u}rich},
  number = {2004-06},
  address = {Switzerland},
  url = {https://www.sam.math.ethz.ch/sam_reports/reports_final/reports2004/2004-06.pdf },
  year = {2004}
}

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