Review and recent developments on the perfectly matched layer (PML) method for the numerical modeling and simulation of elastic wave propagation in unbounded …

F Pled, C Desceliers - Archives of Computational Methods in Engineering, 2022 - Springer
This review article revisits and outlines the perfectly matched layer (PML) method and its
various formulations developed over the past 25 years for the numerical modeling and …

A reflectionless discrete perfectly matched layer

A Chern - Journal of Computational Physics, 2019 - Elsevier
Abstract Perfectly Matched Layer (PML) is a widely adopted non-reflecting boundary
treatment for wave simulations. Reducing numerical reflections from a discretized PML has …

A stable discontinuous Galerkin method for the perfectly matched layer for elastodynamics in first order form

K Duru, L Rannabauer, AA Gabriel, G Kreiss… - Numerische …, 2020 - Springer
We present a stable discontinuous Galerkin (DG) method with a perfectly matched layer
(PML) for three and two space dimensional linear elastodynamics, in velocity-stress …

Combining finite element and finite difference methods for isotropic elastic wave simulations in an energy-conserving manner

L Gao, D Keyes - Journal of Computational Physics, 2019 - Elsevier
We consider numerical simulation of the isotropic elastic wave equations arising from
seismic applications with non-trivial land topography. The more flexible finite element …

[HTML][HTML] SBP–SAT finite difference discretization of acoustic wave equations on staggered block-wise uniform grids

L Gao, DCDR Fernández, M Carpenter… - Journal of Computational …, 2019 - Elsevier
We consider the numerical simulation of the acoustic wave equations arising from seismic
applications, for which staggered grid finite difference methods are popular choices due to …

The perfectly matched layer (PML) for hyperbolic wave propagation problems: A review

K Duru, G Kreiss - arxiv preprint arxiv:2201.03733, 2022 - arxiv.org
It is well-known that reliable and efficient domain truncation is crucial to accurate numerical
solution of most wave propagation problems. The perfectly matched layer (PML) is a method …

[HTML][HTML] On energy stable discontinuous Galerkin spectral element approximations of the perfectly matched layer for the wave equation

K Duru, AA Gabriel, G Kreiss - Computer Methods in Applied Mechanics …, 2019 - Elsevier
In this paper, we develop a provably energy stable discontinuous Galerkin spectral element
method (DGSEM), approximating the perfectly matched layer (PML) for the three and two …

Discontinuous Galerkin difference methods for symmetric hyperbolic systems

T Hagstrom, JW Banks, BB Buckner… - Journal of Scientific …, 2019 - Springer
We develop dissipative, energy-stable difference methods for linear first-order hyperbolic
systems by applying an upwind, discontinuous Galerkin construction of derivative matrices …

Modeling Seismic Wave Propagation in TTI Media Using Residual Perfectly Matched Layer

Y Luo, X Dong, S Dong, T Zhong, Y Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
The perfectly matched layer (PML) is commonly used in wave propagation, radiation and
diffraction problems in unbounded space domains. A new implementation scheme of PML is …

Mechanism of high frequency instability and stable implementation for transmitting boundary—P-SV wave motion

XB ZHANG, ZP LIAO, ZN XIE - Chinese Journal of Geophysics, 2021 - en.dzkx.org
The stability of wave numerical simulation is the premise of obtaining reliable results.
Transmitting boundary is a kind of artificial boundary with high order and high efficiency, but …