[SÁCH][B] An introduction to domain decomposition methods: algorithms, theory, and parallel implementation

V Dolean, P Jolivet, F Nataf - 2015 - SIAM
The purpose of this text is to offer an overview of the most popular domain decomposition
methods for partial differential equations (PDEs). The presentation is kept as much as …

A class of iterative solvers for the Helmholtz equation: Factorizations, swee** preconditioners, source transfer, single layer potentials, polarized traces, and …

MJ Gander, H Zhang - Siam Review, 2019 - SIAM
Solving time-harmonic wave propagation problems by iterative methods is a difficult task,
and over the last two decades an important research effort has gone into develo** …

Schwarz methods by domain truncation

MJ Gander, H Zhang - Acta Numerica, 2022 - search.proquest.com
Schwarz methods use a decomposition of the computational domain into subdomains and
need to impose boundary conditions on the subdomain boundaries. In domain truncation …

Domain decomposition preconditioning for the high-frequency time-harmonic Maxwell equations with absorption

M Bonazzoli, V Dolean, I Graham, E Spence… - Mathematics of …, 2019 - ams.org
This paper rigorously analyses preconditioners for the time-harmonic Maxwell equations
with absorption, where the PDE is discretised using curl-conforming finite-element methods …

The method of polarized traces for the 2D Helmholtz equation

L Zepeda-Núnez, L Demanet - Journal of Computational Physics, 2016 - Elsevier
We present a solver for the 2D high-frequency Helmholtz equation in heterogeneous
acoustic media, with online parallel complexity that scales optimally as O (NL), where N is …

A comparison of coarse spaces for Helmholtz problems in the high frequency regime

N Bootland, V Dolean, P Jolivet, PH Tournier - Computers & Mathematics …, 2021 - Elsevier
Solving time-harmonic wave propagation problems in the frequency domain and within
heterogeneous media brings many mathematical and computational challenges, especially …

A non-overlap** domain decomposition method with high-order transmission conditions and cross-point treatment for Helmholtz problems

A Modave, A Royer, X Antoine, C Geuzaine - Computer Methods in Applied …, 2020 - Elsevier
A non-overlap** domain decomposition method (DDM) is proposed for the parallel finite-
element solution of large-scale time-harmonic wave problems. It is well-known that the …

[HTML][HTML] Scalable multi-level deflation preconditioning for highly indefinite time-harmonic waves

V Dwarka, C Vuik - Journal of Computational Physics, 2022 - Elsevier
Recent research efforts aimed at iteratively solving time-harmonic waves have focused on a
broad range of techniques to accelerate convergence. In particular, for the famous …

A non-overlap** domain decomposition method with perfectly matched layer transmission conditions for the Helmholtz equation

A Royer, C Geuzaine, E Béchet, A Modave - Computer Methods in Applied …, 2022 - Elsevier
It is well-known that the convergence rate of non-overlap** domain decomposition
methods (DDMs) applied to the parallel finite-element solution of large-scale time-harmonic …

Overlap** Schwarz methods with GenEO coarse spaces for indefinite and nonself-adjoint problems

N Bootland, V Dolean, IG Graham, C Ma… - IMA Journal of …, 2023 - academic.oup.com
Generalized eigenvalue problems on the overlap (GenEO) is a method for computing an
operator-dependent spectral coarse space to be combined with local solves on subdomains …