A review of nonlinear FFT-based computational homogenization methods

M Schneider - Acta Mechanica, 2021 - Springer
Since their inception, computational homogenization methods based on the fast Fourier
transform (FFT) have grown in popularity, establishing themselves as a powerful tool …

The finite-difference time-domain method for modeling of seismic wave propagation

P Moczo, JOA Robertsson, L Eisner - Advances in geophysics, 2007 - Elsevier
We present a review of the recent development in finite-difference time-domain modeling of
seismic wave propagation and earthquake motion. The finite-difference method is a robust …

Digital rock physics benchmarks—Part II: Computing effective properties

H Andrä, N Combaret, J Dvorkin, E Glatt, J Han… - Computers & …, 2013 - Elsevier
This is the second and final part of our digital rock physics (DRP) benchmarking study. We
use segmented 3-D images (one for Fontainebleau, three for Berea, three for a carbonate …

A transfer learning approach for acoustic emission zonal localization on steel plate-like structure using numerical simulation and unsupervised domain adaptation

L Ai, B Zhang, P Ziehl - Mechanical Systems and Signal Processing, 2023 - Elsevier
The detection and localization of damage in metallic structures using acoustic emission (AE)
monitoring and artificial intelligence technology such as deep learning has been widely …

[책][B] The finite-difference modelling of earthquake motions: Waves and ruptures

P Moczo, J Kristek, M Gális - 2014 - books.google.com
Among all the numerical methods in seismology, the finite-difference (FD) technique
provides the best balance of accuracy and computational efficiency. This book offers a …

3D heterogeneous staggered-grid finite-difference modeling of seismic motion with volume harmonic and arithmetic averaging of elastic moduli and densities

P Moczo, J Kristek, V Vavrycuk… - Bulletin of the …, 2002 - pubs.geoscienceworld.org
We analyze the problem of a heterogeneous formulation of the equation of motion and
propose a new 3D fourth-order staggered-grid finite-difference (FD) scheme for modeling …

A stable TTI reverse time migration and its implementation

Y Zhang, H Zhang, G Zhang - Geophysics, 2011 - library.seg.org
Modeling and reverse time migration based on the tilted transverse isotropic (TTI) acoustic
wave equation suffers from instability in media of general inhomogeniety, especially in areas …

Source location using time‐reverse imaging

B Artman, I Podladtchikov, B Witten - Geophysical Prospecting, 2010 - earthdoc.org
We present the chain of time‐reverse modeling, image space wavefield decomposition and
several imaging conditions as a migration‐like algorithm called time‐reverse imaging. The …

3D finite-difference frequency-domain modeling of visco-acoustic wave propagation using a massively parallel direct solver: A feasibility study

S Operto, J Virieux, P Amestoy, JY L'Excellent… - Geophysics, 2007 - library.seg.org
We present a finite-difference frequency-domain method for 3D visco-acoustic wave
propagation modeling. In the frequency domain, the underlying numerical problem is the …

Mixed-grid and staggered-grid finite-difference methods for frequency-domain acoustic wave modelling

B Hustedt, S Operto, J Virieux - Geophysical Journal …, 2004 - academic.oup.com
We compare different finite-difference schemes for two-dimensional (2-D) acoustic
frequency-domain forward modelling. The schemes are based on staggered-grid stencils of …