Understanding the Adjoint Method in Seismology: Theory and Implementation in the Time Domain

R Abreu - Surveys in Geophysics, 2024 - Springer
The adjoint method is a popular method used for seismic (full-waveform) inversion today.
The method is considered to give more realistic and detailed images of the interior of the …

OpenSWPC: an open-source integrated parallel simulation code for modeling seismic wave propagation in 3D heterogeneous viscoelastic media

T Maeda, S Takemura, T Furumura - 2017 - Springer
We have developed an open-source software package, Open-source Seismic Wave
Propagation Code (OpenSWPC), for parallel numerical simulations of seismic wave …

Elastic least-squares reverse time migration via linearized elastic full-waveform inversion with pseudo-Hessian preconditioning

K Chen, MD Sacchi - Geophysics, 2017 - library.seg.org
Time-domain elastic least-squares reverse time migration (LSRTM) is formulated as a
linearized elastic full-waveform inversion problem. The elastic Born approximation and …

ARRU phase picker: Attention recurrent‐residual U‐Net for picking seismic P‐and S‐phase arrivals

WY Liao, EJ Lee, D Mu, P Chen… - Seismological …, 2021 - pubs.geoscienceworld.org
Seismograms are convolution results between seismic sources and the media that seismic
waves propagate through, and, therefore, the primary observations for studying seismic …

High-resolution full waveform seismic imaging: Progresses, challenges, and prospects

D Yang, X Dong, J Huang, Z Fang, X Huang… - Science China Earth …, 2025 - Springer
Full waveform inversion (FWI) is a seismic imaging method with a unified mathematical
framework based on wave equation constraints. The FWI method can be used to generate a …

Compression of seismic forward modeling wavefield using TuckerMPI

W Wang, W Zhang, T Lei - Computers & Geosciences, 2023 - Elsevier
With the increasing use of seismic waveform inversion and imaging, the scale of numerical
simulations of seismic waves has been increasing. Concomitantly, the resulting extremely …

Reducing disk storage of full-3D seismic waveform tomography (F3DT) through lossy online compression

P Lindstrom, P Chen, EJ Lee - Computers & Geosciences, 2016 - Elsevier
Full-3D seismic waveform tomography (F3DT) is the latest seismic tomography technique
that can assimilate broadband, multi-component seismic waveform observations into high …

[PDF][PDF] Lithological characterization by simultaneous seismic inversion in algerian south eastern field

S Eladj, TK Lounissi, MZ Doghmane… - … , Technology & Applied …, 2020 - academia.edu
The main goal of this paper is to characterize a reservoir situated in the southeast of Algeria
based on AVO seismic inversion. The seismic inversion model has been built by the iterative …

Three‐dimensional basin and fault structure from a detailed seismic velocity model of Coachella Valley, Southern California

R Ajala, P Persaud, JM Stock, GS Fuis… - Journal of …, 2019 - Wiley Online Library
Abstract The Coachella Valley in the northern Salton Trough is known to produce destructive
earthquakes, making it a high seismic hazard area. Knowledge of the seismic velocity …

Integration of a Gaussian quadrature grid discretization approach with a generalized stiffness reduction method and a parallelized direct solver for 3-D frequency …

G Ma, B Zhou, S Greenhalgh, X Liu… - Geophysical Journal …, 2023 - academic.oup.com
We integrate three advanced numerical techniques—Gaussian quadrature grid (GQG)
discretization, a new generalized stiffness reduction method and the latest version of an …