MLFMA solutions of transmission problems Involving realistic metamaterial walls
Author
Ergül, Özgür
Ünal, Alper
Gürel, Levent
Date
2007-08Source Title
2007 Computational Electromagnetics Workshop, CEM'07
Publisher
IEEE
Pages
79 - 82
Language
English
Type
Conference PaperItem Usage Stats
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Abstract
We present the solution of multilayer metamaterial (MM) structures containing large numbers of unit cells, such as split-ring resonators. Integral-equation formulations of scattering problems are solved iteratively by employing a parallel implementation of the multilevel fast multipole algorithm. Due to ill-conditioned nature of the problems, advanced preconditioning techniques are used to obtain rapid convergence in the iterative solutions. By constructing a sophisticated simulation environment, we accurately and efficiently investigate large and complicated MM structures. © 2007 IEEE.
Keywords
AircraftElectromagnetism
Integral equations
Magnetism
Materials science
Method of moments
Parallel algorithms
Solutions
Computational electromagnetics (CEM)
Integral-equation
Iterative solutions
Metamaterial (MM)
Multilayer (ML)
Multilevel fast multipole algorithm (MLFMA)
Parallel implementations
Preconditioning techniques
Rapid convergence
Scattering problem (SP)
Simulation environments
Split ring resonator (SRR)
Transmission problems
Unit cells
Iterative methods