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Preconditioning techniques in the analysis of finite metamaterial slabs Úbeda Farré, Eduard Rius Casals, Juan Manuel Romeu Robert, Jordi Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions Universitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio 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 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. Peer Reviewed 2006-01-31 Article Ubeda Farré, E; Rius Casals, J.M; Romeu Robert, J. Preconditioning techniques in the analysis of finite metamaterial slabs. IEEE Transactions on Antennas and Propagation, 2006, vol. 54, núm.1, pàg. 265-268 0018-926X https://hdl.handle.net/2117/1710 eng TIC2001-2364-C01-01 TIC2003-09317-C03-03 Open Access 265-268 application/pdf IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC