Numerical evaluation via singularity cancellation schemes of near-singular integrals involving the gradient of Helmholtz-type potentials

F Vipiana, DR Wilton - IEEE transactions on antennas and …, 2012 - ieeexplore.ieee.org
In this paper, we present a purely numerical procedure to evaluate strongly near-singular
integrals involving the gradient of Helmholtz-type potentials for observation points at finite …

Advanced numerical schemes for the accurate evaluation of 4-D reaction integrals in the method of moments

F Vipiana, DR Wilton… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper, we present a simple and efficient fully numerical technique for the evaluation of
4-D reaction integrals arising in the method of moments. In the proposed approach, the …

Manufactured solutions for an electromagnetic slot model

BA Freno, NR Matula, RA Pfeiffer, EA Dohme… - Journal of …, 2024 - Elsevier
The accurate modeling of electromagnetic penetration is an important topic in computational
electromagnetics. Electromagnetic penetration occurs through intentional or inadvertent …

Manufactured solutions for the method-of-moments implementation of the electric-field integral equation

BA Freno, NR Matula, WA Johnson - Journal of Computational Physics, 2021 - Elsevier
Though the method-of-moments implementation of the electric-field integral equation plays
an important role in computational electromagnetics, it provides many code-verification …

A Discontinuous Galerkin Integral Equation Method for Multiscale Surface-Wire Structures

YH Chen, BY Wu, CZ Yan, ZH Zhao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The surface-wire integral equation method is an efficient and well-established approach in
microwave engineering, as it simplifies mesh generation and improves efficiency without …

Domain decomposition method using integral equations and adaptive cross approximation IE-ACA-DDM for studying antenna radiation and wave scattering from …

J Maurin, A Barka, V Gobin… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we present a new methodology for a nonoverlapping domain decomposition
method using boundary integral equations and adaptive cross approximation in the …

Radial-angular singularity cancellation transformations derived by variable separation

L Li, TF Eibert - IEEE Transactions on Antennas and …, 2015 - ieeexplore.ieee.org
The variable separation method is utilized to construct new radial-angular-R n coordinate
transformation schemes for the singularity cancellation technique. Derived from the concept …

Evaluation of potential and impedance integrals in analysis of axially symmetric metallic structures to prescribed accuracy up to machine precision

AJ Krneta, BM Kolundzija - IEEE Transactions on Antennas …, 2017 - ieeexplore.ieee.org
This paper presents a novel method for evaluating potential and impedance integrals
appearing in the method of moment analysis of arbitrary axially symmetric metallic structures …

Code-verification techniques for the method-of-moments implementation of the magnetic-field integral equation

BA Freno, NR Matula - Journal of Computational Physics, 2023 - Elsevier
For computational physics simulations, code verification plays a major role in establishing
the credibility of the results by assessing the correctness of the implementation of the …

Hierarchical fast MoM solver for the modeling of large multiscale wire-surface structures

MA Francavilla, F Vipiana, G Vecchi… - IEEE Antennas and …, 2012 - ieeexplore.ieee.org
In this letter, we present the analysis of large multiscale wire-surface structures through the
method of moments (MoM) discretization of the electric field integral equation (EFIE). The …