Recursive integral time-extrapolation methods for waves: A comparative review

X Du, PJ Fowler, RP Fletcher - Geophysics, 2014 - library.seg.org
We compared several families of algorithms for recursive integral time-extrapolation (RITE)
algorithms for waves in isotropic and anisotropic media. These methods allow simulating …

Equations for finite-difference, time-domain simulation of sound propagation in moving inhomogeneous media and numerical implementation

VE Ostashev, DK Wilson, L Liu, DF Aldridge… - The Journal of the …, 2005 - pubs.aip.org
Finite-difference, time-domain (FDTD) calculations are typically performed with partial
differential equations that are first order in time. Equation sets appropriate for FDTD …

Control of 1-D parabolic PDEs with Volterra nonlinearities, part I: Design

R Vazquez, M Krstic - Automatica, 2008 - Elsevier
Boundary control of nonlinear parabolic PDEs is an open problem with applications that
include fluids, thermal, chemically-reacting, and plasma systems. In this paper we present …

Full waveform inversion guided wave tomography with a recurrent neural network

Z Wang, J **ao, D Li, B Li, JQ Zhang, D Ta - Ultrasonics, 2023 - Elsevier
Corrosion quantitative detection of plate or plate-like structure materials is crucial in
industrial Non-Destructive Testing (NDT) for determining their remaining life. For doing that …

A stability formula for Lax-Wendroff methods with fourth-order in time and general-order in space for the scalar wave equation

JB Chen - Geophysics, 2011 - library.seg.org
Based on the formula for stability of finite-difference methods with second-order in time and
general-order in space for the scalar wave equation, I obtain a stability formula for Lax …

Time-space-domain mesh-free finite difference based on least squares for 2D acoustic-wave modeling

B Li, Y Liu, MK Sen, Z Ren - Geophysics, 2017 - library.seg.org
Finite-difference (FD) methods approximate derivatives through a weighted summation of
function values from neighboring nodes. Traditionally, these neighboring nodes are …

Reverse time migration from topography

J Shragge - Geophysics, 2014 - library.seg.org
Migration of seismic data from topography using methods based on finite-difference (FD)
approximation to acoustic wave propagation commonly suffers from a number of imaging …

Wave modeling in viscoacoustic media with transverse isotropy

NV da Silva, G Yao, M Warner - Geophysics, 2019 - library.seg.org
We have developed a derivation of a system of equations for acoustic waves in a medium
with transverse isotropy (TI) in velocity and attenuation. The equations are derived from …

Solving the 3D acoustic wave equation on generalized structured meshes: A finite-difference time-domain approach

J Shragge - Geophysics, 2014 - pubs.geoscienceworld.org
The key computational kernel of most advanced 3D seismic imaging and inversion
algorithms used in exploration seismology involves calculating solutions of the 3D acoustic …

A new acoustic wave equation for modeling in anisotropic media

H Klíe, W Toro - SEG Technical Program Expanded Abstracts 2001, 2001 - library.seg.org
A stable way to reproduce the elastic P-wave propagation in transversely isotropic media is
proposed. Rather than using the elastic wave equation the present approach relies on a …