Preconditioning techniques in the analysis of finite metamaterial slabs

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Title:	Preconditioning techniques in the analysis of finite metamaterial slabs
Author:	Úbeda Farré, Eduard; Rius Casals, Juan Manuel; Romeu Robert, Jordi
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:	In the method of moments (MoM) electric field integral equation (EFIE) analysis of slabs of metamaterials, we show that a left-preconditioning scheme by blocks gathering interactions between basis functions belonging to each basic cell of the metamaterial reaches convergence in less iterations and with less computational time than a left-preconditioner based on discarding interactions between basis functions beyond a given distance.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica -Basis functions -Computational time -Convergence of numerical methods -EFIE analysis -Electric field integral equations -Finite metamaterial slab -Iterative methods -Metamaterials -Method of moments -Preconditioning technique -EFIE -MoM
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Document type:	Article
Published by:	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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