High-resolution characterization of near-surface structures by surface-wave inversions: from dispersion curve to full waveform
Surface waves are widely used in near-surface geophysics and provide a noninvasive way
to determine near-surface structures. By extracting and inverting dispersion curves to obtain …
to determine near-surface structures. By extracting and inverting dispersion curves to obtain …
Large-scale simulation of seismic wave motion: A review
We review key ingredients that are needed for high-fidelity simulation of earthquake-
generated seismic waves in large regions. Specifically, we survey existing literature on wave …
generated seismic waves in large regions. Specifically, we survey existing literature on wave …
Anelastic sensitivity kernels with parsimonious storage for adjoint tomography and full waveform inversion
D Komatitsch, Z Xie, E Bozdağ… - Geophysical Journal …, 2016 - academic.oup.com
We introduce a technique to compute exact anelastic sensitivity kernels in the time domain
using parsimonious disk storage. The method is based on a reordering of the time loop of …
using parsimonious disk storage. The method is based on a reordering of the time loop of …
Time‐domain hybrid formulations for wave simulations in three‐dimensional PML‐truncated heterogeneous media
A Fathi, B Poursartip… - International Journal for …, 2015 - Wiley Online Library
We are concerned with the numerical simulation of wave motion in arbitrarily
heterogeneous, elastic, perfectly‐matched‐layer‐(PML)‐truncated media. We extend in …
heterogeneous, elastic, perfectly‐matched‐layer‐(PML)‐truncated media. We extend in …
Three-dimensional full waveform inversion of short-period teleseismic wavefields based upon the SEM–DSM hybrid method
We present a method for high-resolution imaging of lithospheric structures based on full
waveform inversion of teleseismic waveforms. We model the propagation of seismic waves …
waveform inversion of teleseismic waveforms. We model the propagation of seismic waves …
Three-dimensional P-and S-wave velocity profiling of geotechnical sites using full-waveform inversion driven by field data
A Fathi, B Poursartip, KH Stokoe II… - Soil Dynamics and …, 2016 - Elsevier
We discuss the application of a recently developed full-waveform-inversion-based technique
to the imaging of geotechnical sites using field-collected data. Specifically, we address the …
to the imaging of geotechnical sites using field-collected data. Specifically, we address the …
Full-waveform inversion in three-dimensional PML-truncated elastic media
We are concerned with high-fidelity subsurface imaging of the soil, which commonly arises
in geotechnical site characterization and geophysical explorations. Specifically, we attempt …
in geotechnical site characterization and geophysical explorations. Specifically, we attempt …
An inverse problem formulation for parameter estimation of a reaction–diffusion model of low grade gliomas
We present a numerical scheme for solving a parameter estimation problem for a model of
low-grade glioma growth. Our goal is to estimate the spatial distribution of tumor …
low-grade glioma growth. Our goal is to estimate the spatial distribution of tumor …
An H/V geostatistical approach for building pseudo-3D Vs models to account for spatial variability in ground response analyses Part I: Model development
Many recent studies have shown that we are generally unable to accurately replicate
recorded ground motions at most borehole array sites using available subsurface …
recorded ground motions at most borehole array sites using available subsurface …
Using convolutional neural networks to develop starting models for near-surface 2-D full waveform inversion
Non-invasive subsurface imaging using full waveform inversion (FWI) has the potential to
fundamentally change near-surface (< 30 m) site characterization by enabling the recovery …
fundamentally change near-surface (< 30 m) site characterization by enabling the recovery …