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Now showing items 1-8 of 8

#### Efficient solution of the electric and magnetic current combined‐field integral equation with the multilevel fast multipole algorithm and block‐diagonal preconditioning

(Wiley-Blackwell Publishing, Inc., 2009-12)

We consider the efficient solution of electromagnetics problems involving dielectric and composite dielectric-metallic structures, formulated with the electric and magnetic current combined-field integral equation (JMCFIE). ...

#### Accelerating the multilevel fast multipole algorithm with the sparse-approximate-inverse (SAI) preconditioning

(Society for Industrial and Applied Mathematics, 2009)

With the help of the multilevel fast multipole algorithm, integral-equation methods can be used to solve real-life electromagnetics problems both accurately and efficiently. Increasing problem dimensions, on the other hand, ...

#### Comparison of integral-equation formulations for the fast and accurate solution of scattering problems involving dielectric objects with the multilevel fast multipole algorithm

(Institute of Electrical and Electronics Engineers, 2009)

We consider fast and accurate solutions of scattering problems involving increasingly large dielectric objects formulated by surface integral equations. We compare various formulations when the objects are discretized with ...

#### Two-step lagrange interpolation method for the multilevel fast multipole algorithm

(Institute of Electrical and Electronics Engineers, 2009)

We present a two-step Lagrange interpolation method for the efficient solution of large-scale electromagnetics problems with the multilevel fast multipole algorithm (MLFMA). Local interpolations are required during aggregation ...

#### 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 ...

#### A hierarchical partitioning strategy for an efficient parallelization of the multilevel fast multipole algorithm

(IEEE, 2009)

We present a novel hierarchical partitioning strategy for the efficient parallelization of the multilevel fast multipole algorithm (MLFMA) on distributed-memory architectures to solve large-scale problems in electromagnetics. ...

#### Discretization error due to the identity operator in surface integral equations

(ELSEVIER, 2009-05-03)

We consider the accuracy of surface integral equations for the solution of scattering and radiation problems in electromagnetics. In numerical solutions, second-kind integral equations involving well-tested identity operators ...

#### Contamination of the accuracy of the combined-field integral equation with the discretization error of the magnetic-field integral equation

(Institute of Electrical and Electronics Engineers, 2009)

We investigate the accuracy of the combined-field integral equation (CFIE) discretized with the Rao-Wilton-Glisson (RWG) basis functions for the solution of scattering and radiation problems involving three-dimensional ...