Modular and flexible spectral-element waveform modelling in two and three dimensions
M Afanasiev, C Boehm, M van Driel… - Geophysical Journal …, 2019 - academic.oup.com
In this paper, we present a series of mathematical abstractions for seismologically relevant
wave equations discretized using finite-element methods, and demonstrate how these …
wave equations discretized using finite-element methods, and demonstrate how these …
[HTML][HTML] Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models
Computational models of acoustic wave propagation are frequently used in transcranial
ultrasound therapy, for example, to calculate the intracranial pressure field or to calculate …
ultrasound therapy, for example, to calculate the intracranial pressure field or to calculate …
Numerical modeling of seismic waves by discontinuous spectral element methods
PF Antonietti, A Ferroni, I Mazzieri… - ESAIM: Proceedings …, 2018 - esaim-proc.org
We present a comprehensive review of Discontinuous Galerkin Spectral Element (DGSE)
methods on hybrid hexahedral/tetrahedral grids for the numerical modeling of the ground …
methods on hybrid hexahedral/tetrahedral grids for the numerical modeling of the ground …
High–order discontinuous Galerkin methods on polyhedral grids for geophysical applications: seismic wave propagation and fractured reservoir simulations
We present a comprehensive review of the current development of discontinuous Galerkin
methods on polytopic grids (PolyDG) methods for geophysical applications, addressing as …
methods on polytopic grids (PolyDG) methods for geophysical applications, addressing as …
High-order discontinuous Galerkin methods for the elastodynamics equation on polygonal and polyhedral meshes
PF Antonietti, I Mazzieri - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
We propose and analyze a high-order Discontinuous Galerkin Finite Element Method for the
approximate solution of wave propagation problems modeled by the elastodynamics …
approximate solution of wave propagation problems modeled by the elastodynamics …
Acoustoelastic full-waveform inversion for transcranial ultrasound computed tomography
P Marty, C Boehm, A Fichtner - Medical Imaging 2021 …, 2021 - spiedigitallibrary.org
Full-waveform inversion applied to ultrasound computed tomography is a promising
technique to provide highresolution quantitative images of soft human tissues, which are …
technique to provide highresolution quantitative images of soft human tissues, which are …
Spectral element numerical simulation of the 2009 L'Aquila earthquake on a detailed reconstructed domain
In this paper, we simulate the earthquake that hit the city of L'Aquila on 2009 April 6 using
SPEED (SPectral Elements in Elastodynamics with Discontinuous Galerkin), an open …
SPEED (SPectral Elements in Elastodynamics with Discontinuous Galerkin), an open …
Transient wave propagations with the Noh-Bathe scheme and the spectral element method
The spectral elements of the Lobatto family provide desirable characteristics of convergence
and accuracy using a diagonal mass matrix in dynamic analysis. These characteristics might …
and accuracy using a diagonal mass matrix in dynamic analysis. These characteristics might …
Accurate solution of wave propagation problems in elasticity
The accurate solution of wave propagations in general two-and three-dimensional solids is
still difficult and frequently impossible to achieve with the current computational schemes …
still difficult and frequently impossible to achieve with the current computational schemes …
Accelerating numerical wave propagation by wavefield adapted meshes. Part II: full-waveform inversion
We present a novel full-waveform inversion (FWI) approach which can reduce the
computational cost by up to an order of magnitude compared to conventional approaches …
computational cost by up to an order of magnitude compared to conventional approaches …