Electromagnetic integral equations: Insights in conditioning and preconditioning

SB Adrian, A Dely, D Consoli, A Merlini… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Integral equation formulations are a competitive strategy in computational electromagnetics
but, lamentably, are often plagued by ill-conditioning and by related numerical instabilities …

[PDF][PDF] Review on computational electromagnetics

P Sumithra, D Thiripurasundari - Advanced Electromagnetics, 2017 - core.ac.uk
Computational electromagnetics (CEM) is applied to model the interaction of
electromagnetic fields with the objects like antenna, waveguides, aircraft and their …

Solving boundary integral problems with BEM++

W Śmigaj, T Betcke, S Arridge, J Phillips… - ACM Transactions on …, 2015 - dl.acm.org
Many important partial differential equation problems in homogeneous media, such as those
of acoustic or electromagnetic wave propagation, can be represented in the form of integral …

Vector potential electromagnetics with generalized gauge for inhomogeneous media: Formulation

WC Chew - Progress In Electromagnetics Research, 2014 - jpier.org
Vector and scalar potential formulation is valid from quantum theory to classical
electromagnetics. The rapid development in quantum optics calls for electromagnetic …

Integral equation based domain decomposition method for solving electromagnetic wave scattering from non-penetrable objects

Z Peng, X Wang, JF Lee - IEEE Transactions on Antennas and …, 2011 - ieeexplore.ieee.org
The integral equation (IE) method is commonly utilized to model time-harmonic
electromagnetic (EM) problems. One of the greatest challenges in its applications arises in …

A discontinuous Galerkin surface integral equation method for electromagnetic wave scattering from nonpenetrable targets

Z Peng, KH Lim, JF Lee - IEEE Transactions on Antennas and …, 2013 - ieeexplore.ieee.org
We present a discontinuous Galerkin surface integral equation method, herein referred to as
IEDG, for time harmonic electromagnetic wave scattering from nonpenetrable targets. The …

Fast full-wave surface integral equation solver for multiscale structure modeling

ZG Qian, WC Chew - IEEE Transactions on Antennas and …, 2009 - ieeexplore.ieee.org
We describe a full-wave solver to model large-scale and complex multiscale structures. It
uses the augmented electric field integral equation (A-EFIE), which includes both the charge …

Domain decomposition preconditioning for surface integral equations in solving challenging electromagnetic scattering problems

Z Peng, R Hiptmair, Y Shao… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
We propose and study a nonoverlapping and nonconforming domain decomposition
method for the integral-equation-based solution of large, complex electromagnetic (EM) …

Operator preconditioning

R Hiptmair - Computers & Mathematics with Applications, 2006 - Elsevier
Operator preconditioning offers a general recipe for constructing preconditioners for discrete
linear operators that have arisen from a Galerkin approach. The key idea is to employ …

On a well-conditioned electric field integral operator for multiply connected geometries

FP Andriulli, K Cools, I Bogaert… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
All known integral equation techniques for simulating scattering and radiation from arbitrarily
shaped, perfect electrically conducting objects suffer from one or more of the following …