Frictional boundary condition for lattice Boltzmann modelling of dense granular flows
Hydrodynamic approaches that treat granular materials as a continuum via the homogenization of discrete flow properties have become …
A neural network-based PDE solving algorithm with high precision
The consumption of solving large-scale linear equations is one of the most critical issues in numerical computation. An innovative …
Efficient lattice Boltzmann simulation of free-surface granular flows with $\mu(I)$-rheology
This paper presents a lattice Boltzmann framework for accurate and efficient simulation of free-surface granular flows. The granular …
Size effects in underwater granular collapses: Experiments and coupled lattice Boltzmann and discrete element method simulations
Immersed granular collapse is a common model case for the study of transient geophysical flows. This paper examines the effects of …
A compressed lattice Boltzmann method based on ConvLSTM and ResNet
As a mesoscopic approach, the lattice Boltzmann method has achieved considerable success in simulating fluid flows and associated …
Pore-scale simulation of immersed granular collapse: Implications to submarine landslides
The collapse of granular columns in a viscous fluid is a common model case for submarine geophysical flows. In immersed granular …
A comprehensive parametric study of LBM-DEM for immersed granular flows
This paper presents a parametric study of a fluid-particle model which couples Lattice Boltzmann Method (LBM) and Discrete Element …
Flow regimes and dynamic similarity of immersed granular collapse: A CFD-DEM investigation
Immersed granular collapses may encounter different flow regimes, such as free-fall (dry), fluid-inertial, and viscous regimes, …
Effects of Dilation and Contraction on Immersed Granular Column Collapse
Hydro-granular flow is a widespread problem characterized by the complicate fluid-particle interactions. The aim of this study is to …
The effects of bed form roughness on total suspended load via the Lattice Boltzmann Method
Bed forms in natural rivers and man-made channels provide the dominant contribution to overall flow resistance and hence significantly …
Dynamics and scaling laws of underwater granular collapse with varying aspect ratios
We perform coupled fluid-particle simulations to understand the granular collapse in an ambient fluid (in particular, water) with a …
The role of fluid viscosity in an immersed granular collapse
Instabilities of immersed slopes and cliffs can lead to catastrophic events that involve a sudden release of huge soil mass. The scaled …
