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      Hybrid CFIE-EFIE solution of composite geometries with coexisting open and closed surfaces

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      Author
      Ergül, Özgür
      Gürel, Levent
      Date
      2005
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 2005
      Print ISSN
      1522-3965
      Publisher
      IEEE
      Volume
      4 B
      Pages
      289 - 292
      Language
      English
      Type
      Conference Paper
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      Abstract
      The combined-field integral equation (CFIE) is employed to formulate the electromagnetic scattering and radiation problems of composite geometries with coexisting open and closed conducting surfaces. Conventional formulations of these problems with the electric-field integral equation (EFIE) lead to inefficient solutions due to the ill-conditioning of the matrix equations and the internal-resonance problems. The hybrid CFIE-EFIE technique introduced in this paper, based on the application of the CFIE on the closed surfaces and EFIE on the open surfaces, significantly improves the efficiency of the solution.
      Keywords
      Electric fields
      Electromagnetic wave scattering
      Electromagnetic waves
      Geometry
      Resonance
      Combined-field integral equation (CFIE)
      Composite geometries
      Electric-field integral equation (EFIE)
      Matrix equations
      Integral equations
      Permalink
      http://hdl.handle.net/11693/27357
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/APS.2005.1552803
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      • Department of Electrical and Electronics Engineering 3524
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