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Direct boundary integral equation method for electromagnetic scattering by partly coated dielectric objects

Cranganu-Cretu, B. ; Hiptmair, R.

In: Computing and Visualization in Science, 2005, vol. 8, no. 3-4, p. 145-158

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    Title
    • Direct boundary integral equation method for electromagnetic scattering by partly coated dielectric objects
    Author
    • Cranganu-Cretu, B.. ABB Corporate Research, CH-5405, Baden-Dättwil, Switzerland
    • Hiptmair, R.. SAM, ETH Zürich, CH-8092, Zürich, Switzerland
    Document Type
    • Postprint
    Language
    • English
    Published in
    • Computing and Visualization in Science, 2005, vol. 8, no. 3-4, p. 145-158. Springer-Verlag
    Other Version
    OAI-PMH Identifier
    • oai:doc.rero.ch:314052
    Summary
    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 the electromagnetic Calderón 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