Title :
Preconditioning iterative MLFMA solutions of integral equations
Author :
Gürel, Levent ; Malas, Tahir ; Ergül, Özgür
Author_Institution :
Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara, Turkey
Abstract :
The multilevel fast multipole algorithm (MLFMA) is a powerful method that enables iterative solutions of electromagnetics problems with low complexity. Iterative solvers, however, are not robust for three-dimensional complex real-life problems unless suitable preconditioners are used. In this paper, we present our efforts to devise effective preconditioners for MLFMA solutions of difficult electromagnetics problems involving both conductors and dielectrics.
Keywords :
computational electromagnetics; integral equations; iterative methods; conductors; dielectrics; electromagnetic problems; integral equations; iterative MLFMA solutions; multilevel fast multipole algorithm; three-dimensional complex real-life problems; Antennas; Approximation methods; Dielectrics; Integral equations; MLFMA; Sparse matrices;
Conference_Titel :
Electromagnetic Theory (EMTS), 2010 URSI International Symposium on
Conference_Location :
Berlin
Print_ISBN :
978-1-4244-5155-5
Electronic_ISBN :
978-1-4244-5154-8
DOI :
10.1109/URSI-EMTS.2010.5637219
