... The particle based dynamic lattice method (DLM) can simulate the elastic wave propagation in 3D arbitrary anisotropic media with a body-centered cube model. The connection between the microscopic interactions in the anisotropic lattice model and the macroscopic parameters such as the elasticity...

..., it is orders of magnitude more expensive if run with a grid sampling appropriate to generate dispersion-free shear wave propagation. In this paper we propose a new acoustic wave equation, derived using linearized plane-wave reflection coefficient theory, that augments the kinematic effects with terms...

... Seismic wave forward modelling is an effective tool for studying the propagation of seismic waves in the Earth’s internal medium. However, irregular free surface can have a significant effect on the propagation of seismic waves, causing strong scattering and reflection of surface waves, making...

... equation china government anisotropic media international geologist asia government media anisotropy accurate simulation propagation upstream oil & gas reservoir characterization approximation p-wave geophysics wavefield attenuation anisotropy accuracy geology geological...

... american association geology case equation frequency propagation society uncoupled case applied geoscience geophysics Numerical experiments to characterize P-wave attenuation in partially saturated non-isothermal porous media. Naddia D. Arenas, Universidad de Buenos Aires, CONICET, Universidad...

... area into subsets and connecting them recursively until the entire area is completed. The connecting equations are derived using the Dyson equation, widely used in quantum mechanics. The wavefield calculated at the target and receivers is numerically equivalent to obtained with wave propagation...

... The utilization of a fractional visco-acoustic equation facilitates a significantly enhanced simulation of seismic wave propagation, rendering it indispensable for seismic data interpretation and processing. However, this equation poses a challenge due to the presence of two complex fractional...

... The classical seismic wave propagation theory holds that the underground medium is completely elastic under isothermal or adiabatic deformation. However, the underground medium is not entirely elastic under the influence of temperature. Based on previous studies on wave propagation...

... interface geological subdiscipline displacement equation upstream oil & gas reservoir simulation equation mathematics of computing reservoir characterization propagation international exploration geophysicist fluid-solid interface zhiliang wang snapshot american association...

... learning geology seismic model biondi applied geoscience inversion barnier interface american association computation clapp exploration geophysicist propagation united states government reservoir characterization international pyseis library operator application library gpu-accelerated...

... upstream oil & gas equation reservoir characterization international operator anisotropic media propagation ssg grid exploration geophysicist applied geoscience anisotropic elastic modeling implementation gpus tsvankin american association simulation shragge geophysics mfd...

... We use the radiative transfer equations (i.e., energy transport) to model scattering losses in an intensity field of acoustic waves. Radiative transfer provides a link between the attenuative (i.e., scattering and intrinsic absorption) properties of the medium and the wave propagation...

... We analyze the seismic response in fluid saturated poroelastic media based on the non-isothermal wave equation, which includes the temperature field other than those of stress and deformation. The model, which combines the Biot and Lord-Shulman (LS) theories, predicts the propagation of four...

... warburton propagation exploration geophysicist receiver upwind numerical flux accuracy discontinuity A nodal discontinuous Galerkin method for wave propagation in coupled uid-solid media Ruiqi Li* and Yijie Zhang, Xi an Jiaotong University SUMMARY An accurate solution of the wave equation...

.... One challenge of such analyses is the creation of a semi-infinite half space. In a monolithic, elastic domain, seismic waves propagate without any interruptions in the absence of domain boundaries. However, in a computational study, the geometry is of a finite volume and it is not possible to create...

... zhang upstream oil &amp; gas exploration geophysicist energy 10 propagation s-wave 045 1 2 33 1 4 5 6 875 8! 9"14 15$ 1 % 1 8 58% 5 3&8653'2%6 3 1 (1 # 3 56! )7 #3 %8*9 1 /8 53 061 2853 45 ,1#6 #5 4 78541 1 36 8 68 890< SR>QJCI@K>H>@K>@AgS>FAJR>V ?GHS??F>LRLIA=H[AR@K...

... We propose a hyper-parameter optimization workflow for training the deep learning framework to simulate the effect of boundary conditions for wave propagation. Hyper-parameter selection is a crucial step in model building and has a direct impact on the performance of machine learning models. We...

... Insight into wave propagation in prestressed porous media is of importance to geophysical applications, such as monitoring changes in geopressure. This issue can be approached by the theory of poro-acoustoelasticity that extends the classical acoustoelasticity of solids to porous media...

... and field data, and proven to be useful to inform structural/depth uncertainty. artificial intelligence green international upstream oil &amp; gas wavefield deep green american association neural network machine learning exploration geophysicist propagation energy 10 migration receiver...

... treatment stages, then dissipate as the injected fluid leaks off into the rock formation. Local stress changes illuminated by microseismic focal mechanisms can be used to create maps of high and low pore-pressures which, in turn, can be used to guide a dynamic slurry propagation model and estimate fluid...