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Modeling Challenging EMC Problems Using the Method of Moments

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Author(s)

  • Heinz Brüns
  • Alexander Vogt
  • Christian Findeklee
  • Arne Schröder
  • Mathias Magdowski
  • Martin Paul Robinson
  • Fridolin Heidler
  • Christian Schuster

Department/unit(s)

Publication details

JournalElectromagnetic Compatibility Magazine, IEEE
DateAccepted/In press - 17 Mar 2017
Number of pages11
Original languageEnglish

Abstract

A variety of numerical techniques are used in electromagnetic compatibility (EMC) for the numerical analysis of practical problems. The most important are the finite-difference time-domain technique, the finite-element method, the transmission-line-matrix method and the method of moments. All approaches have their strengths and weaknesses and cannot be applied to all kinds of problems with the same degree of efficiency, measured in memory consumption and computation time necessary. In this paper it is shown that the method of moments (MoM) can be applied to a variety of scenarios, each of which would form a challenging problem to all of the mentioned numerical techniques. It is shown that a customization of the MoM to the specific problems at hand can be accomplished. All examples shown have been computed using the academic code CONCEPT-II developed at Hamburg University of Technology (TUHH).

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