Magnetic and combined field integral equations based on the quasi-Helmholtz projectors

A Merlini, Y Beghein, K Cools… - … on Antennas and …, 2020 - ieeexplore.ieee.org
Boundary integral equation methods for analyzing electromagnetic scattering phenomena
typically suffer from several of the following shortcomings: 1) ill-conditioning when the …

A refinement and high-degree stable marching-on-in-degree method for wide-band scattering from perfect conductors

R Bai, MD Zhu, YD Wang, DE Wen… - … on Antennas and …, 2024 - ieeexplore.ieee.org
This communication presents a time-domain electric field integral equation (TDEFIE) solver,
specifically designed to analyze ultrawideband (the ratio of highest and lowest frequency is …

Analyzing ultra-wideband electromagnetic problems by time domain electric field integral equations

R Bai, MD Zhu, J Leng, WY Yin - IEEE Antennas and Wireless …, 2024 - ieeexplore.ieee.org
This letter demonstrates the capability of the time-domain integral equation (TDIE) in
addressing ultrawideband electromagnetic responses by a single simulation. Comparing …

A stabilized time-domain combined field integral equation using the quasi-Helmholtz projectors

P Cordel, FP Andriulli, K Cools - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article introduces a time-domain combined field integral equation (TD-CFIE) for
electromagnetic scattering by a perfect electric conductor (PEC). The new equation is …

A stabilized marching-on-in-degree scheme for the transient solution of the electric field integral equation

MD Zhu, TK Sarkar, H Chen - IEEE Transactions on Antennas …, 2019 - ieeexplore.ieee.org
Time-domain electric integral equation methods (TD-EFIE) suffer from the numerical stability
problem. Numerous schemes have been proposed over the years for the purpose of taking …

On the stability of time-domain magnetic field integral equation using Laguerre functions

MD Zhu, TK Sarkar, H Chen… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The marching-on-in-degree (MOD) method has been proposed for solving time-domain
integral equations (TDIEs), and it uses the associated Laguerre functions as temporal basis …

A straight-forward method of moments procedure to solve the time domain integral equation applicable to PEC bodies via triangular patch modeling

SM Rao - The Applied Computational …, 2020 - journals.riverpublishers.com
In this work, a simple and straight-forward method of moments solution (MOM) procedure is
presented to obtain the induced current distribution on an arbitrarily-shaped conducting …

Calderón Strategies for the Convolution Quadrature Time-Domain Electric Field Integral Equation

P Cordel, A Dély, A Merlini… - IEEE Open Journal of …, 2024 - ieeexplore.ieee.org
In this work, we introduce new integral formulations based on the convolution quadrature
method for the time-domain modeling of perfectly electrically conducting scatterers that …

Improved A-EFIE system for electromagnetic simulation in low frequency regime

WJ Chen, S Sun, Y Liu, L Jiang… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
In this letter, the quasi-Helmholtz projectors are applied to address numerical cancellation of
augmented electric field integral equation (A-EFIE). The projectors rescale the term and right …

Parallel fast time-domain integral-equation methods for transient electromagnetic analysis

Y Liu, E Michielssen - Parallel Algorithms in Computational Science and …, 2020 - Springer
Transient and broadband electromagnetic scattering and radiation phenomena involving
perfect electrically conducting (PEC) and dielectric objects can be efficiently simulated using …