Capability assessment of coarse-grid simulation of gas-particle riser flow using sub-grid drag closures
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.115410
Abstract: Abstract Our prior work developed an effective material-property-dependent sub-grid model (SGM) for efficient coarse-grid riser flow simulations. To apply this SGM for the purpose of designing and scaling-up riser reactors reliably, quantitative assessment in its… read more here.
Keywords: sub grid; coarse; riser flow; coarse grid ... See more keywords
Gabor mode enrichment in large eddy simulations of turbulent flow
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.622
Abstract: Abstract A turbulence enrichment model for subfilter-scale motions in large eddy simulations (LES) is comprehensively evaluated in the context of a posteriori analysis. The paper further develops the Gabor mode enrichment model first introduced in… read more here.
Keywords: large eddy; gabor mode; eddy simulations; scale ... See more keywords
MSFM-Based Seismic Traveltime Calculation Using Coarse-Grid Interpolation
Sign Up to like & getrecommendations! Published in 2025 at "Lithosphere"
DOI: 10.2113/2025/lithosphere_2025_137
Abstract: Computing seismic traveltime constitutes an essential task for seismic imaging and inversion processes. Accurate traveltime computation provides essential parameters for simulating seismic wave propagation, locating seismic sources, establishing velocity models, and seismic imaging. Therefore, a… read more here.
Keywords: seismic traveltime; grid interpolation; coarse grid; msfm based ... See more keywords
Topographic Seismic Travel-Time Calculation Based on Coarse-Grid Interpolation
Sign Up to like & getrecommendations! Published in 2025 at "Lithosphere"
DOI: 10.2113/2025/lithosphere_2025_158
Abstract: As an important seismic attribute parameter, accurate travel-time computation is essential for simulating seismic wave propagation, locating seismic sources, constructing velocity models, and enabling earthquake early warning systems. In practical scenarios, the influence of complex… read more here.
Keywords: coarse grid; seismic travel; travel; interpolation ... See more keywords
Online Coupled Generalized Multiscale Finite Element Method for the Poroelasticity Problem in Fractured and Heterogeneous Media
Sign Up to like & getrecommendations! Published in 2021 at "Fluids"
DOI: 10.3390/fluids6080298
Abstract: In this paper, we consider the poroelasticity problem in fractured and heterogeneous media. The mathematical model contains a coupled system of equations for fluid pressures and displacements in heterogeneous media. Due to scale disparity, many… read more here.
Keywords: basis functions; fractured heterogeneous; coarse grid; poroelasticity ... See more keywords
Generalized Multiscale Inversion for Heterogeneous Problems
Sign Up to like & getrecommendations! Published in 2019 at "Communications in Computational Physics"
DOI: 10.4208/cicp.oa-2017-0184
Abstract: In this work, we propose a generalized multiscale inversion algorithm for heterogeneous problems that aims at solving an inverse problem on a computational coarse grid. Previous inversion techniques for multiscale problems seek a coarse-grid media… read more here.
Keywords: inversion; permeability field; generalized multiscale; coarse grid ... See more keywords