Yla-Oijala, P.Ergül, ÖzgürGürel, LeventTaskinen, M.2016-02-082016-02-082009http://hdl.handle.net/11693/28737Date of Conference: 23-27 March 2009Conference Name: 3rd European Conference on Antennas and Propagation, IEEE 2009Two approaches, the multilevel fast multipole algorithm with sparse approximate inverse preconditioner and the surface equivalence principle algorithm, are applied to analyze complex three-dimensional metamaterial structures. The efficiency and performance of these methods are studied and discussed.EnglishEfficient surfaceMetamaterial structuresMulti-level fast multi-pole algorithmSparse approximate inverseSurface equivalence principleBoundary element methodMetamaterialsRadar antennasAntennasConference Paper