Quantitative photoacoustic tomography using iteratively refined wavefield reconstruction inversion: a simulation study
The ultimate goal of photoacoustic tomography is to accurately map the absorption
coefficient throughout the imaged tissue. Most studies either assume that acoustic properties …
coefficient throughout the imaged tissue. Most studies either assume that acoustic properties …
Helmholtz-equation solution in nonsmooth media by a physics-informed neural network incorporating quadratic terms and a perfectly matching layer condition
Frequency-domain simulation of seismic waves plays an important role in seismic inversion,
but it remains challenging in large models. The recently proposed physics-informed neural …
but it remains challenging in large models. The recently proposed physics-informed neural …
Is 3D frequency-domain FWI of full-azimuth/long-offset OBN data feasible? The Gorgon data FWI case study
Frequency-domain full-waveform inversion (FWI) is potentially amenable to efficient
processing of full-azimuth long-offset stationary-recording seabed acquisition carried out …
processing of full-azimuth long-offset stationary-recording seabed acquisition carried out …
3D finite-difference and finite-element frequency-domain wave simulation with multilevel optimized additive Schwarz domain-decomposition preconditioner: A tool for …
Efficient frequency-domain full-waveform inversion (FWI) of long-offset node data can be
designed with a few discrete frequencies, which lead to modest data volumes to be …
designed with a few discrete frequencies, which lead to modest data volumes to be …
A simplified calculation for adaptive coefficients of finite-difference frequency-domain method
The finite-difference frequency domain (FDFD) method is widely applied for simulating
seismic wavefields, and a key to achieving successful FDFD simulation is to construct FDFD …
seismic wavefields, and a key to achieving successful FDFD simulation is to construct FDFD …
Regularized full-waveform inversion with shearlet transform and total generalized variation
Full-waveform inversion (FWI) is a powerful method of reconstructing subsurface properties
during seismic exploration. However, it is difficult for FWI to accurately describe a subsurface …
during seismic exploration. However, it is difficult for FWI to accurately describe a subsurface …
Multidomain finite-difference and Chebyshev pseudospectral hybrid method for elastic wave simulation: two-dimensional case
Efficient and accurate seismic wave simulations are important for waveform inversion and
strong ground motion simulation in regions with complex surface topography. The finite …
strong ground motion simulation in regions with complex surface topography. The finite …
Moirae: Generating High-Performance Composite Stencil Programs with Global Optimizations
X Liu, X Yang, K Ma, S Liu, K Zhang… - … Conference for High …, 2024 - ieeexplore.ieee.org
Stencil computation is one of the most universal computation motifs in scientific applications
such as weather prediction. Due to the complexity of scientific simulation, the stencil …
such as weather prediction. Due to the complexity of scientific simulation, the stencil …
LFA-tuned matrix-free multigrid method for the elastic Helmholtz equation
We present an efficient matrix-free geometric multigrid method for the elastic Helmholtz
equation, and a suitable discretization. Many discretization methods had been considered in …
equation, and a suitable discretization. Many discretization methods had been considered in …
Simplified implicit finite-difference method of spatial derivative using explicit schemes with optimized constant coefficients based on norm
Z Miao, J Zhang - Geophysics, 2024 - library.seg.org
The explicit finite-difference (EFD) method is widely used in numerical simulation of seismic
wave propagation to approximate spatial derivatives. However, the traditional and optimized …
wave propagation to approximate spatial derivatives. However, the traditional and optimized …