Taylor expansion based fast multipole method for 3-D Helmholtz equations in layered media

B Wang, D Chen, B Zhang, W Zhang, MH Cho… - Journal of Computational …, 2020 - Elsevier
In this paper, we develop a Taylor expansion (TE) based fast multipole method (FMM) for
low frequency 3D Helmholtz Green's function in layered media. Two forms of Taylor …

Robust fast direct integral equation solver for three-dimensional doubly periodic scattering problems with a large number of layers

B Wu, MH Cho - Journal of Computational Physics, 2023 - Elsevier
Frequency-domain wave scattering problems that arise in acoustics and electromagnetism
can be often described by the Helmholtz equation. This work presents a boundary integral …

A fast direct solver for two dimensional quasi-periodic multilayered media scattering problems

Y Zhang, A Gillman - BIT Numerical Mathematics, 2021 - Springer
This manuscript presents a fast direct solution technique for solving two dimensional wave
scattering problems from quasi-periodic multilayered structures. When the interface …

On the evaluation of quasi-periodic Green functions and wave-scattering at and around Rayleigh-Wood anomalies

OP Bruno, AG Fernandez-Lado - Journal of Computational Physics, 2020 - Elsevier
This article presents full-spectrum, well-conditioned, Green-function methodologies for
evaluation of scattering by general periodic structures, which remains applicable on a set of …

Framework of acoustic analysis and shape optimization for three-dimensional doubly periodic multilayered structures

F Jiang, T Takahashi, C Zheng, T Matsumoto… - Journal of Computational …, 2025 - Elsevier
In this research, a framework of acoustic analysis and shape optimization, based on
isogeometric boundary element method (IGA-BEM), is proposed for three-dimensional …

Robust fast direct integral equation solver for three-dimensional quasi-periodic scattering problems with a large number of layers

B Wu, MH Cho - arXiv preprint arXiv:2211.14656, 2022 - arxiv.org
A boundary integral equation method for the 3-D Helmholtz equation in multilayered media
with many quasi-periodic layers is presented. Compared with conventional quasi-periodic …

[图书][B] Wave-scattering by periodic media

AG Fernandez-Lado - 2020 - search.proquest.com
This thesis presents a full-spectrum, well-conditioned, Green-function methodology for
evaluation of scattering by general periodic structures, which remains applicable on a set of …

High-order numerical methods for scattering problems

A Gopal - 2021 - ora.ox.ac.uk
Scattering problems are ubiquitous in scientific and engineering applications. These
problems can often be straightforwardly modeled using relatively simple linear partial …

Numerical methods for boundary integral equations

Y Zhang - 2020 - search.proquest.com
The thesis focuses on numerical methods for boundary integral equation (BIE) formulations
of partial differential equations (PDEs). The work contains three parts: the first two consider …