Title :
Efficient analysis of finite composite arrays
Author :
Úbeda, Eduard ; Romeu, Jordi ; Rius, Juan M.
Author_Institution :
Dept. of Signal Theor. & Commun., Univ. Politecnica de Catalunya, Barcelona, Spain
Abstract :
The efficiency in the iterative search of the solution in the MoM-EFIE analysis of finite composite arrays of split ring resonators (SRR) and thin-strips - metamaterials - under the excitation of an elementary dipole is compared for two different preconditioning schemes based on the incomplete LU transform. A conventional scheme of discarding interactions between basis functions beyond a given distance is compared with retaining only those interactions between basis functions inside each of the basic cells of the composite array.
Keywords :
computational electromagnetics; electric field integral equations; electric moments; inhomogeneous media; iterative methods; magnetic moments; matrix algebra; method of moments; periodic structures; MoM-EFIE analysis; basis functions; electric dipoles; elementary dipole; finite composite arrays; incomplete LU transform; incomplete lower upper transform; iterative search; magnetic dipoles; metamaterials; split ring resonators; thin-strips; Boundary element methods; Convergence; Frequency; Geometry; Integral equations; Metamaterials; Moment methods; Resonance; Signal analysis; Slabs;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2004. IEEE
Print_ISBN :
0-7803-8302-8
DOI :
10.1109/APS.2004.1330171
