The fast multipole method (FMM) and multilevel fast multipole algorithm (MLFMA) are
reviewed. The number of modes required, block-diagonal preconditioner, near singularity …

We study integral methods applied to the resolution of the Maxwell equations where the
linear system is solved using an iterative method which requires only matrix–vector …

A multilevel algorithm is presented for analyzing scattering from electrically large surfaces.
The algorithm accelerates the iterative solution of integral equations that arise in …

Recent years have witnessed a phenomenal growth in our ability to numerically model,
simulate the performance of, and design complex electromagnetic systems. Nonetheless, as …

Various methods for efficiently solving electromagnetic problems are presented.
Electromagnetic scattering problems can be roughly classified into surface and volume …

We describe a numerically efficient strategy for solving a linear system of equations arising
in the Method of Moments for solving electromagnetic scattering problems. This novel …

A butterfly-based direct combined-field integral-equation (CFIE) solver for analyzing
scattering from electrically large, perfect electrically conducting objects is presented. The …

FISC (Fast Illinois solver code), co-developed by the Center for Computational
Electromagnetics, University of Illinois, and DEMACO, is designed to compute the RCS of a …

The fast multipole algorithm manifests in two very different forms at low frequencies and at
mid frequencies. Each can operate in their respective regimes, but are not tenable in the …

A fast far‐field approximation (FAFFA) is developed to estimate the RCS of conducting
scatterers. This method accounts for the interaction between subscatterers in two ways …