## Search

Now showing items 11-18 of 18

#### Iterative solution of dielectric waveguide problems via schur complement preconditioners

(IEEE, 2010-07)

Surface integral-equation methods accelerated with the multilevel fast multipole algorithm provide suitable mechanisms for the solution of dielectric problems. In particular, recently developed formulations increase the ...

#### Analysis of double-negative materials with surface integral equations and the multilevel fast multipole algorithm

(IEEE, 2011)

We present a fast and accurate analysis of double-negative materials (DNMs) with surface integral equations and the multilevel fast multipole algorithm (MLFMA). DNMs are commonly used as simplified models of metamaterials ...

#### Rigorous analysis of double-negative materials with the multilevel fast multipole algorithm

(Applied Computational Electromagnetics Society, Inc., 2012)

We present rigorous analysis of double-negative materials (DNMs) with surface integral equations and the multilevel fast multipole algorithm (MLFMA). Accuracy and efficiency of numerical solutions are investigated when ...

#### 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 three-dimensional metamaterial structures. ...

#### Fast and accurate analysis of large metamaterial structures using the multilevel fast multipole algorithm

(2009)

We report fast and accurate simulations of metamaterial structures constructed with large numbers of unit cells containing split-ring resonators and thin wires. Scattering problems involving various metamaterial walls are ...

#### Solutions of large-scale electromagnetics problems using an iterative inner-outer scheme with ordinary and approximate multilevel fast multipole algorithms

(2010)

We present an iterative inner-outer scheme for the efficient solution of large-scale electromagnetics problems involving perfectly-conducting objects formulated with surface integral equations. Problems are solved by ...

#### Improving iterative solutions of the electric-field integral equation via transformations into normal equations

(Taylor and Francis, 2012-04-03)

We consider the solution of electromagnetics problems involving perfectly conducting objects formulated with the electric-field integral equation (EFIE). Dense matrix equations obtained from the discretization of EFIE are ...

#### Efficient solutions of metamaterial problems using a low-frequency 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 (LF-MLFMA). Accelerating iterative solutions using ...