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      Solution of radiation problems using the fast multipole method

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      Author(s)
      Gürel, Levent
      Şendur, İbrahim Kürşat
      Date
      1997-07
      Source Title
      IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
      Print ISSN
      0272-4693
      Publisher
      IEEE
      Pages
      88 - 91
      Language
      English
      Type
      Conference Paper
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      Abstract
      Electromagnetic radiation problems involving electrically large radiators and reflectors are solved using the fast multipole method (FMM). The FMM enables the solution of large problems with existing computational resources by reducing the computational complexity by a faster equivalent of O(N) complexity in each iteration of an iterative scheme. Three dimensional radiation problems involving complicated geometries are modeled using arbitrary surface triangulations. Piecewise linear basis functions defined on triangular domains due to Rao, Wilton, and Glisson (RWG) basis functions are used to approximate the induced currents. Using delta-gap voltage sources and prescribed current distributions, the operations of various antennas are simulated.
      Keywords
      Approximation theory
      Computational complexity
      Dipole antennas
      Electromagnetic compatibility
      Electromagnetic field theory
      Electromagnetic waves
      Functions
      Iterative methods
      Piecewise linear techniques
      Problem solving
      Arbitrary surface triangulations
      Fast multipole method (FMM)
      Antenna radiation
      Permalink
      http://hdl.handle.net/11693/27723
      Published Version (Please cite this version)
      https://doi.org/10.1109/APS.1997.630094
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      • Department of Electrical and Electronics Engineering 3702
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