Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems.

Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems. Research Abstract Details 

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Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems. Abstract Text:

Wideband FMBEM codes are challenging to implement since there are problems at both very low and high frequencies. Substantially different schemes for function representation and translation are efficient for low and high frequency ranges. We present a method which is suitable for solution both high and low frequency problems since it implements a switch between different representations and uses fast translation methods appropriate to each representation. For a high frequency problem the switch between representations may occur at some intermediate levels of hierarchical space subdivision of the FMM. We also present an FMM-based preconditioner used in the flexible GMRES iterative solver for scattering problems and discuss example problems computed in range 0.001

Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems. Publishing Authors By Initials

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Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of the Acoustical Society of America

VOLUME: 123

Page Numbers: 3419

Journal Abbreviation: J. Acoust. Soc. Am.

ISSN: 1520-8524

DAY: 5

MONTH: May

YEAR: 2008

Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems. Information

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LANGUAGE: eng

NlmUniqueID: 7503051

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Grant and Affiliation Information for Fast multipole accelerated boundary element method (FMBEM) for solution of 3D scattering problems.

AFFILIATION: University of Maryland Institute for Advanced Computer Studies, 115 A.V. Williams Bldg, College Park, MD 20742, USA, gumerov@umiacs.umd.edu.

Country: United States

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MEDLINETA: J Acoust Soc Am

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