A Calderón preconditioner for high dielectric contrast media

M Gossye, M Huynen, DV Ginste… - … on Antennas and …, 2017 - ieeexplore.ieee.org
A Calderón preconditioned single-source equation to model the scattering at homogeneous
high dielectric contrast media is presented. It is shown that the proposed interaction matrix …

Surface-volume-surface electric field integral equation for solution of scattering problems on 3-D dielectric objects in multilayered media

S Zheng, R Gholami… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Generalization of the surface-volume-surface electric field integral equation (SVS-EFIE) for
the solution of electromagnetic scattering problems on 3-D dielectric objects embedded in …

A fast converging resonance-free global multi-trace method for scattering by partially coated composite structures

S Lasisi, TM Benson, G Gradoni… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Global and local multitrace formulations (MTFs) provide a flexible and efficient method for
the modeling of scattering and transmission of time harmonic electromagnetic (EM) waves …

3-D full-wave inversion of helicopter transient electromagnetic data in frequency domain

C Qiu, B Liang, F Han, J Li, G Fang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Helicopter transient airborne electromagnetics (HTEM) has become a useful tool in mineral
explorations and geological or environmental detection in recent decades. This article …

Calderón preconditioned spectral-element spectral-integral method for doubly periodic structures in layered media

Y Mao, J Niu, Q Zhan, R Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
An efficient and accurate spectral-element spectral-integral method is developed for
rigorously modeling arbitrary inhomogeneous objects with doubly periodicity embedded in a …

A new scheme based on Born iterative method for solving inverse scattering problems with noise disturbance

Z Liu - IEEE Geoscience and Remote Sensing Letters, 2019 - ieeexplore.ieee.org
In this letter, a new scheme based on Born iterative method is proposed to solve the inverse
scattering problems with noise disturbance. By controlling the balance factor in the new …

A Simple Way of Applying the Calderón Preconditioner to a Finite-Element Boundary-Integral Method

Y Mao, Y Zhong, Q Zhan, D Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The Calderón preconditioner effectively improves the convergence of the iterative solution of
surface integral equations (SIEs). This work presents an alternative way to apply the …

On a low-frequency and refinement stable PMCHWT integral equation leveraging the quasi-Helmholtz projectors

Y Beghein, R Mitharwal, K Cools… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Classical Poggio-Miller-Chan-Harrington-Wu-Tsai (PMCHWT) formulations for modeling
radiation and scattering from penetrable objects suffer from ill-conditioning when the …

Thin dielectric sheet-based surface integral equation for the scattering simulation of fractures in a layered medium

WF Huang, H Wang, Q Zhan, Y Fang… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
Electromagnetic simulation of fractures has a growing importance in geophysical
exploration, where the formation is usually inhomogeneous and modeled as a layered …

Surface-volume-surface EFIE for electromagnetic analysis of 3-D composite dielectric objects in multilayered media

R Gholami, S Zheng… - IEEE Journal on …, 2019 - ieeexplore.ieee.org
The surface-volume-surface electric field integral equation (SVS-EFIE) is generalized for the
case of scattering problems on the composite nonmagnetic dielectric objects situated in …