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Design and simulation of circular arrays of trapezoidaltooth logperiodic antennas via genetic optimization
(Electromagnetics Academy, 2008)Circular arrays of logperiodic (LP) antennas are designed and their operational properties are investigated in a sophisticated simulation environment that is based on the recent advances in computational electromagnetics. ... 
Discretization error due to the identity operator in surface integral equations
(ELSEVIER, 20090503)We consider the accuracy of surface integral equations for the solution of scattering and radiation problems in electromagnetics. In numerical solutions, secondkind integral equations involving welltested identity operators ... 
An effective preconditioner based on schur complement reduction for integralequation formulations of dielectric problems
(IEEE, 2009)The author consider effective preconditioning of recently proposed two integralequation formulations for dielectrics; the combined tangential formulation (CTF) and the electric and magnetic current combinedfield integral ... 
Effective preconditioners for large integralequation problems
(IET, 200711)We consider effective preconditioning schemes for the iterative solution of integralequation methods. For parallel implementations, the sparse approximate inverse or the iterative solution of the nearfield system enables ... 
An efficient parallel implementation of the multilevel fast multipole algorithm for rigorous solutions of largescale scattering problems
(IEEE, 2010)We present the solution of largescale scattering problems discretized with hundreds of millions of unknowns. The multilevel fast multipole algorithm (MLFMA) is parallelized using the hierarchical partitioning strategy on ... 
Efficient parallelization of the multilevel fast multipole algorithm for the solution of largescale scattering problems
(Institute of Electrical and Electronics Engineers, 200808)We present fast and accurate solutions of largescale scattering problems involving threedimensional closed conductors with arbitrary shapes using the multilevel fast multipole algorithm (MLFMA). With an efficient ... 
Efficient solution of the electric and magnetic current combined‐field integral equation with the multilevel fast multipole algorithm and block‐diagonal preconditioning
(WileyBlackwell Publishing, Inc., 200912)We consider the efficient solution of electromagnetics problems involving dielectric and composite dielectricmetallic structures, formulated with the electric and magnetic current combinedfield integral equation (JMCFIE). ... 
Efficient solution of the electricfield integral equation using the iterative LSQR algorithm
(Institute of Electrical and Electronics Engineers, 2008)In this letter, we consider iterative solutions of the threedimensional electromagnetic scattering problems formulated by surface integral equations. We show that solutions of the electricfield integral equation (EFIE) ... 
Efficient solutions of metamaterial problems using a lowfrequency multilevel fast multipole algorithm
(2010)We present fast and accurate solutions of electromagnetics problems involving realistic metamaterial structures using a lowfrequency multilevel fast multipole algorithm (LFMLFMA). Accelerating iterative solutions using ... 
Efficient surface integral equation methods for the analysis of complex metamaterial structures
(IEEE, 2009)Two approaches, the multilevel fast multipole algorithm with sparse approximate inverse preconditioner and the surface equivalence principle algorithm, are applied to analyze complex threedimensional metamaterial structures. ... 
Electromagnetic imaging of threedimensional dielectric objects with Newton minimization
(IEEE, 2014)We present a general framework for detecting the shape and electrical properties of unknown objects by using the Newton minimization approach for solving inversescattering problems. This procedure is performed by evolving ... 
Electromagnetic modeling of splitring resonators
(IEEE, 2007)In this paper, we report our efforts to model splitring resonators (SRRs) and their large arrays accurately and efficiently in a sophisticated simulation environment based on recent advances in the computational electromagnetics. ... 
Fast and accurate analysis of complicated metamaterial structures using a lowfrequency multilevel fast multipole algorithm
(200909)We present efficient solutions of electromagnetics problems involving realistic metamaterial structures using a lowfrequency multilevel fast multipole algorithm (LFMLFMA). Ordinary implementations of MLFMA based on the ... 
Fast and accurate analysis of largescale composite structures with the parallel multilevel fast multipole algorithm
(Optical Society of America, 2013)Accurate electromagnetic modeling of complicated optical structures poses several challenges. Optical metamaterial and plasmonic structures are composed of multiple coexisting dielectric and/or conducting parts. Such ... 
Fast and accurate solutions of extremely large scattering problems involving threedimensional canonical and complicated objects
(IEEE, 200907)We present fast and accurate solutions of extremely large scattering problems involving threedimensional metallic objects discretized with hundreds of millions of unknowns. Solutions are performed by the multilevel fast ... 
Fast and accurate solutions of scattering problems involving dielectric objects with moderate and low contrasts
(IEEE, 200708)We consider the solution of electromagnetic scattering problems involving relatively large dielectric objects with moderate and low contrasts. Threedimensional objects are discretized with RaoWiltonGlisson functions and ... 
Fast multipole methods in service of various scientific disciplines
(IEEE, 2014)For more than two decades, several forms of fast multipole methods have been extremely successful in various scientific disciplines. Reduced complexity solutions are obtained for solving different forms of equations that ... 
Fast solution of electromagnetic scattering problems with multiple excitations using the recompressed adaptive cross approximation
(IEEE, 2014)We present an algebraic compression technique to accelerate the computation of multiple monostatic radar cross sections of arbitrary 3D geometries. The method uses adaptive cross approximation, followed by a recompression ... 
Hierarchical parallelisation strategy for multilevel fast multipole algorithm in computational electromagnetics
(The Institution of Engineering and Technology, 2008)A hierarchical parallelisation of the multilevel fast multipole algorithm (MLFMA) for the efficient solution of largescale problems in computational electromagnetics is presented. The tree structure of MLFMA is distributed ... 
Hierarchical parallelization of the multilevel fast multipole algorithm (MLFMA)
(IEEE, 2013)Due to its O(N log N) complexity, the multilevel fast multipole algorithm (MLFMA) is one of the most prized algorithms of computational electromagnetics and certain other disciplines. Various implementations of this algorithm ...