An adaptive high-order transient algorithm to solve large-scale anisotropic Maxwell's equations

Q Zhan, Y Wang, Y Fang, Q Ren, S Yang… - … on Antennas and …, 2021 - ieeexplore.ieee.org
This article presents a stabilized nodal discontinuous Galerkin pseudospectral time-domain
(DG-PSTD) algorithm for fully anisotropic electromagnetic waves. This solver permits …

Three-dimensional higher order PML based on alternating direction implicit algorithm

PY Wu, HL Jiang, YJ Xie, LQ Niu - IEEE Antennas and …, 2019 - ieeexplore.ieee.org
Based on the alternating direction implicit finite-difference time-domain (ADI-FDTD)
algorithm, a higher order perfectly matched layer (HO-PML) is proposed to solve the …

Amplitude-preserving P-/S-wavefield separation with the discontinuous Galerkin method on unstructured meshes

J Huang, D Yang, X He, T Liu, W Meng - Geophysics, 2024 - library.seg.org
The decoupling of P and S waves is an essential prerequisite for elastic reverse time
migration, which effectively reduces crosstalk artifacts, but most wavefield separation …

On the completely positive kernels for nonuniform meshes

Y Feng, L Li - arXiv preprint arXiv:2310.00972, 2023 - arxiv.org
The complete positivity, ie, positivity of the resolvent kernels, for convolutional kernels is an
important property for the positivity property and asymptotic behaviors of Volterra equations …

Domain decomposition for large-scale viscoacoustic wave simulation using localized pseudo-spectral method

X Zhao, H Zhou, H Chen, Y Wang - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Wave simulation in absorptive media using decoupled fractional Laplacian wave equation
has received widespread attention in recent years, largely due to its precise description of …

An unsplit CFS-PML scheme for the second-order wave equation with its application in fractional viscoacoustic simulation

Y Wang, M Bai, L Yang, X Zhao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The unsplit complex frequency-shifted perfectly matched layer (CFS-PML) has been widely
used in the first-order wave equation in velocity and stress while rarely formulated for the …

Nonlinear inversion method of Russell's fluid factor based on exact Zoeppritz equation

PQ Wang, XY Liu, QC Li, XW Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Russell's fluid factor plays a crucial role in predicting hydrocarbon reservoirs. Numerous
studies have been conducted on the inversion of Russell's fluid factor. However, most of …

Reflection of inhomogeneous plane waves at the surface of an unsaturated porothermoelastic media

M Kumari, P Kaswan, M Kumar, P Yadav - The European Physical Journal …, 2022 - Springer
A generalized porothermoelasticity theory developed by Wang et al.(IEEE Trans Geosci
Remote Sens 60: 1–14, 2021) for plane wave propagation in an unsaturated …

Seismoelectric wave propagation simulation by combining poro-viscoelastic anisotropic model with Cole–Cole depression model

L Han, Y Ji, W Ye, S Wang, J Lin… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Considering the viscoelastic anisotropy and electrical depression characteristics of the
complex geological media, we introduce the generalized standard linear solid (GSLS) …

Wave simulation in partially saturated porothermoelastic media

E Wang, JM Carcione, J Ba - IEEE Transactions on Geoscience …, 2021 - ieeexplore.ieee.org
In wave propagation in rocks, the strain field affects the internal energy such that
compressed regions become hotter and expanded regions cooler. This thermoelastic effect …