## Search

Now showing items 11-20 of 22

#### Iterative solutions of hybrid integral equations for coexisting open and closed surfaces

(IEEE, 2009)

We consider electromagnetics problems involving composite geometries with coexisting open and closed conductors. Hybrid integral equations are presented to improve the efficiency of the solutions, compared to the conventional ...

#### On the accuracy of MFIE and CFIE in the solution of large electromagnetic scattering problems

(ESA Publications, 2006)

We present the linear-linear (LL) basis functions to improve the accuracy of the magnetic-field integral equation (MFIE) and the combined-field integral equation (CFIE) for three-dimensional electromagnetic scattering ...

#### Rigorous solutions of electromagnetic problems involving hundreds of millions of unknowns

(IEEE, 2011)

Accurate simulations of real-life electromagnetic problems with integral equations require the solution of dense matrix equations involving millions of unknowns. Solutions of these extremely large problems cannot be easily ...

#### Incomplete LU preconditioning with the multilevel fast multipole algorithm for electromagnetic scattering

(Society for Industrial and Applied Mathematics, 2007)

Iterative solution of large-scale scattering problems in computational electromagnetics with the multilevel fast multipole algorithm (MLFMA) requires strong preconditioners, especially for the electric-field integral ...

#### Computational study of scattering from healthy and diseased red blood cells

(Society of Photo Optical Instrumentation Engineers, 2010-08-05)

We present a comparative study of scattering from healthy red blood cells (RBCs) and diseased RBCs with deformed shapes. Scattering problems involving three-dimensional RBCs are formulated accurately with the electric and ...

#### Parallel-MLFMA solution of CFIE discretized with tens of millions of unknowns

(Institution of Engineering and Technology, 2007)

We consider the solution of large scattering problems in electromagnetics involving three-dimensional arbitrary geometries with closed surfaces. The problems are formulated accurately with the combined-field integral ...

#### Hierarchical parallelization of the multilevel fast multipole algorithm for the efficient solution of large-scale scattering problems

(IEEE, 2008-07)

We present the details of a hierarchical parallelization strategy, which provides higher efficiency than the previous parallelization approaches for MLFMA. We demonstrate the effectiveness of our algorithm on sphere problems ...

#### Electromagnetic modeling of split-ring 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. ...

#### Efficient parallelization of the multilevel fast multipole algorithm for the solution of large-scale scattering problems

(IEEE, 2006)

We report our efforts for the solution of large electromagnetics problems accurately and efficiently with the parallel multilevel fast multipole algorithm. We carefully investigate different stages of the parallelization ...

#### 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 ...