On the convergence of the ACA algorithm for radiation and scattering problems

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Title:	On the convergence of the ACA algorithm for radiation and scattering problems
Author:	Heldring, Alexander; Úbeda Farré, Eduard; Rius Casals, Juan Manuel
Other authors:	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio
Abstract:	The adaptive cross approximation (ACA) algorithm, when used to accelerate the numerical solution of integral equations for radiation and scattering problems, sometimes suffers from inaccuracies. These inaccuracies occur when the ACA convergence criterion, which is based on an approximation of the residual relative error, is prematurely satisfied. This paper identifies the two sources of this problem and proposes adaptations of the algorithm that remedy them.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Antenes i agrupacions d'antenes -Microwave antennas -Scattering (Physics) -Adaptive cross approximation (ACA) -Computational electromagnetics -Method of moments -Adaptive cross approximation -Matrices -Antenes de microones -Difusió (Física nuclear)
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Published version Article
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