[PDF][PDF] Finite difference and finite volume methods for wave-based modelling of room acoustics
B Hamilton - 2016 - core.ac.uk
Wave-based models of sound propagation can be used to predict and synthesize sounds as
they would be heard naturally in room acoustic environments. The numerical simulation of …
they would be heard naturally in room acoustic environments. The numerical simulation of …
An iterative solver for the 3D Helmholtz equation
M Belonosov, M Dmitriev, V Kostin, D Neklyudov… - Journal of computational …, 2017 - Elsevier
We develop a frequency–domain iterative solver for numerical simulation of acoustic waves
in 3D heterogeneous media. It is based on the application of a unique preconditioner to the …
in 3D heterogeneous media. It is based on the application of a unique preconditioner to the …
Exploiting temporal data reuse and asynchrony in the reverse time migration
Reverse Time Migration (RTM) is a state-of-the-art algorithm used in seismic depth imaging
in complex geological environments for the oil and gas exploration industry. It calculates …
in complex geological environments for the oil and gas exploration industry. It calculates …
3D numerical simulation of elastic waves with a frequency-domain iterative solver
M Belonosov, V Kostin, D Neklyudov… - …, 2018 - pubs.geoscienceworld.org
The efficiency of any inversion method for estimating the medium parameters from seismic
data strongly depends on simulation of the wave propagation, ie, forward modeling. The …
data strongly depends on simulation of the wave propagation, ie, forward modeling. The …
Direct frequency-domain 3D acoustic solver with intermediate data compression benchmarked against time-domain modeling for full-waveform inversion applications
V Kostin, S Solovyev, A Bakulin… - Geophysics, 2019 - pubs.geoscienceworld.org
We have developed a fast direct solver for numerical simulation of acoustic waves in 3D
heterogeneous media. The Helmholtz equation is approximated by a 27-point finite …
heterogeneous media. The Helmholtz equation is approximated by a 27-point finite …
[PDF][PDF] Large stencil operations for GPU-based 3-D acoustics simulations
Stencil operations are often a key component when performing acoustics simulations, for
which the specific choice of implementation can have a significant effect on both accuracy …
which the specific choice of implementation can have a significant effect on both accuracy …
Asynchronous computations for solving the acoustic wave propagation equation
The aim of this study is to design and implement an asynchronous computational scheme for
solving the acoustic wave propagation equation with absorbing boundary conditions (ABCs) …
solving the acoustic wave propagation equation with absorbing boundary conditions (ABCs) …
High-performance seismic modeling with finite-difference using spatial and temporal cache blocking
The time-domain finite-difference method (TD-FDM) has been used in geophysics for
decades for modeling and imaging. It is used intensively for applications that require …
decades for modeling and imaging. It is used intensively for applications that require …
Leveraging the High Bandwidth of Last-Level Cache for HPC Seismic Imaging Applications
We solve the 3D acoustic wave equation using the finite-difference time-domain (FDTD)
formulation in both first and second order. The FDTD approach is expressed as a stencil …
formulation in both first and second order. The FDTD approach is expressed as a stencil …
Mitigating the effects of sand dunes on seismic data from the Rub al Khali basin, Saudi Arabia
M Al‐Marzooq, MS Diallo, V Etienne… - Geophysical …, 2019 - earthdoc.org
ABSTRACT The Rub Al Khali region in Saudi Arabia is characterized by the presence of
sand dunes separated by salt flats, also called Sabkhas. In general, the elevation of dunes …
sand dunes separated by salt flats, also called Sabkhas. In general, the elevation of dunes …