NDLI: Efficient electromagnetic near-field computation by the multilevel fast multipole method employing mixed near-field/far-field translations

Content Provider	IEEE Xplore Digital Library
Author	Tzoulis, A. Eibert, T.F.
Copyright Year	2002
Abstract	Method of moments (MoM) solutions of electromagnetic surface integral equations provide the desired amplitudes of the equivalent surface currents on the Huygens' surfaces around the involved objects, where the solution process is nowadays routinely accelerated by fast integral methods such as the multilevel fast multipole method (MLFMM). Computation of radiated or scattered electromagnetic fields produced by these currents requires integration over the Huygens' surfaces and can easily become extremely time-consuming for large numbers of observation points. In this contribution, integration of electromagnetic near-fields is accelerated by a postprocessing MLFMM approach, where near-field and far-field translations are combined in order to achieve optimum performance. The proposed approach has been applied in the postprocessing stage of a finite element boundary integral (FEBI) method with fast integral equation solution by MLFMM, saving a large amount of postprocessing computation time. The formulation of the proposed acceleration is presented and numerical results are shown.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	449
Ending Page	452
Page Count	4
File Size	189586
File Format	PDF
ISSN	15361225
Volume Number	4
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integral equations Acceleration Electromagnetic radiation Electromagnetic scattering Electromagnetic fields Finite element methods Moment methods Current density Electromagnetic compatibility Bismuth postprocessing Electromagnetic near-fields far-field translations fast multipole methods
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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