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      • Department of Electrical and Electronics Engineering
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      Fast direct solution algorithm for electromagnetic scattering from 3D planar and quasi-planar geometries

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      Author(s)
      Gürel, Levent
      Chew, W. C.
      Date
      1997
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 1997
      Print ISSN
      0272-4693
      Publisher
      IEEE
      Pages
      64 - 67
      Language
      English
      Type
      Conference Paper
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      Abstract
      A non-iterative method and its application to planar geometries in homogeneous media is presented. The method is extendable to the cases of quasi-planar structures and/or layered-media problems. The fast direct algorithm (FDA)/steepest descent path (SDP) takes advantage of the fact that the induced currents on planar and quasi-planar geometries interact with each other within a very limited solid angle. Thus, all the degrees of freedom required to solve a `truly 3D' geometry are not required for a planar or quasi-planar geometry, and this situation can be exploited to develop efficient solution algorithms.
      Keywords
      Algorithms
      Computational complexity
      Electromagnetic field theory
      Green's function
      Integration
      Problem solving
      Vectors
      Fast direct algorithms (FDA)
      Steepest descent path (SDP)
      Electromagnetic wave scattering
      Permalink
      http://hdl.handle.net/11693/27712
      Published Version (Please cite this version)
      https://doi.org/10.1109/APS.1997.630087
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      • Department of Electrical and Electronics Engineering 4012
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