Modelling seismic wave propagation for geophysical imaging

J Tago, V Cruz-Atienza, E Chaljub… - … waves-research and …, 2012 - library.oapen.org
The Earth is an heterogeneous complex media from the mineral composition scale (10− 6m)
to the global scale (106m). The reconstruction of its structure is a quite challenging problem …

Wave propagation in heterogeneous porous media formulated in the frequency-space domain using a discontinuous Galerkin method

B Dupuy, L De Barros, S Garambois, J Virieux - Geophysics, 2011 - library.seg.org
Biphasic media with a dynamic interaction between fluid and solid phases must be taken
into account to accurately describe seismic wave amplitudes in subsurface and reservoir …

Frequency-domain numerical modelling of visco-acoustic waves with finite-difference and finite-element discontinuous Galerkin methods

R Brossier, V Etienne, S Operto, J Virieux - Acoustic waves, 2010 - books.google.com
Seismic exploration is one of the main geophysical methods to extract quantitative
inferences about the Earth's interior at different scales from the recording of seismic waves …

Regular versus irregular meshing for complicated models and their effect on synthetic seismograms

C Pelties, M Käser, V Hermann… - Geophysical Journal …, 2010 - academic.oup.com
We present a detailed study on the numerical effects due to staircase approximations of non-
planar material interfaces and the importance of mesh alignment to such material …

spyro: a Firedrake-based wave propagation and full-waveform-inversion finite-element solver

KJ Roberts, A Olender, L Franceschini… - Geoscientific Model …, 2022 - gmd.copernicus.org
In this article, we introduce spyro, a software stack to solve wave propagation in
heterogeneous domains and perform full waveform inversion (FWI) employing the finite …

Computational issues and strategies related to full waveform inversion in 3D elastic media: Methodological developments

V Etienne, S Operto, J Virieux, Y Jia - SEG Technical Program …, 2010 - library.seg.org
We present some methodological developments related to full waveform inversion in 3D
elastic media. In particular, we address some key issues regarding computing aspects such …

Discontinuous finite element method for efficient three-dimensional elastic wave simulation

C Hong, X Wang, G Zhao, Z Xue, F Deng… - … of Geophysics and …, 2021 - academic.oup.com
The existing discontinuous Galerkin (DG) finite element method (FEM) for the numerical
simulation of elastic wave propagation is primarily implemented in two dimensions. Here, a …

An overview of the SEISCOPE project on frequency-domain Full Waveform Inversion Multiparameter inversion and efficient 3D full-waveform inversion

J Virieux, S Operto, HBH Ali, R Brossier… - … EAGE Conference and …, 2010 - earthdoc.org
We present an overview of the SEISCOPE project on frequency-domain full waveform
inversion (FWI). The two main objectives are the reconstruction of multiple classes of …

Preliminary Application of Discontinuous Galerkin Method in Seismic Response of Fractured-vuggy Carbonatite Reservoirs

H Peng*, W Yu, W Chen, Y Li, A Bian - SPG/SEG 2016 International …, 2016 - library.seg.org
It has been known that caves larger than 10 meters may cause beads-shaped reflection.
Seismic identification of fractured-vuggy carbonatite reservoirs with holes and fractures …

[PDF][PDF] The discontinuous galerkin approach for 3D seismic wave propagation and 3D dynamic rupture modeling in the case of a complex fault system

C Pelties - 2012 - edoc.ub.uni-muenchen.de
The aim of this research study, is to contribute in the development of the Arbitrary highorder
DERivatives Discontinuous Galerkin (ADER-DG) method for elastic wave propagation and …