[图书][B] Approximation and stability properties of numerical methods for hyperbolic conservation laws

P Öffner - 2023 - books.google.com
The book focuses on stability and approximation results concerning recent numerical
methods for the numerical solution of hyperbolic conservation laws. The work begins with a …

Complex-valued adaptive-coefficient finite-difference frequency-domain method for wavefield modeling based on the diffusive-viscous wave equation

H Zhao, S Wang, W Xu, J Gao - Geophysics, 2024 - library.seg.org
The diffusive-viscous wave (DVW) equation is an effective model for analyzing seismic low-
frequency anomalies and attenuation in porous media. To effectively simulate DVW …

Discontinuous Galerkin method for the diffusive-viscous wave equation

M Zhang, W Yan, F Jing, H Zhao - Applied Numerical Mathematics, 2023 - Elsevier
This paper develops and analyzes the discontinuous Galerkin method for the diffusive-
viscous wave equation. The proposed numerical scheme is established by using the …

A finite-element algorithm with a perfectly matched layer boundary condition for seismic modelling in a diffusive-viscous medium

H Zhao, W Xu, J Gao, Y Zhang… - Journal of geophysics and …, 2022 - academic.oup.com
Seismic numerical modelling involved in each stage of seismic exploration process is aimed
at predicting seismograms in an assumed subsurface medium. The energies and phases of …

[HTML][HTML] Three-dimensional inversion of multi-component semi-airborne electromagnetic data in an undulating terrain for mineral exploration

Z Ke, Y Liu, Y Su, L Wang, B Zhang, X Ren, Z Rong… - Minerals, 2023 - mdpi.com
For the mineral exploration in complex terrain areas, the semi-airborne transient
electromagnetic (SATEM) technology is one of the most powerful methods due to its high …

Numerical analysis of the diffusive-viscous wave equation

W Han, C Song, F Wang, J Gao - Computers & Mathematics with …, 2021 - Elsevier
The diffusive-viscous wave equation arises in a variety of applications in geophysics, and it
plays an important role in seismic exploration. In this paper, semi-discrete and fully discrete …

Local discontinuous Galerkin methods for diffusive–viscous wave equations

D Ling, CW Shu, W Yan - Journal of Computational and Applied …, 2023 - Elsevier
Numerical simulation of seismic wave equations has attracted much attention and plays a
significant role in exploration seismology. As one of seismic wave models, the diffusive …

[HTML][HTML] Well-posedness of the diffusive-viscous wave equation arising in geophysics

W Han, J Gao, Y Zhang, W Xu - Journal of mathematical analysis and …, 2020 - Elsevier
The diffusive-viscous wave equation arises in a variety of applications in geophysics such as
the attenuation of seismic waves propagating in fluid-saturated solids, and frequency …

A numerical method for analysis and simulation of diffusive viscous wave equations with variable coefficients on polygonal meshes

N Kumar, B Deka - Calcolo, 2023 - Springer
In this study, we design and analyze weak Galerkin finite element methods to approximate
diffusive viscus wave equations with variable coefficients on polygonal meshes. The …

A cell-centered finite volume scheme for the diffusive–viscous wave equation on general polygonal meshes

W Wang, W Yan, D Yang - Applied Mathematics Letters, 2022 - Elsevier
Seismic wave equations based on numerical simulation have become effective tools in
geological exploration. Considering the frequency dependence of reflections and fluid …