A central moments-based lattice Boltzmann scheme for shallow water equations

A De Rosis - Computer Methods in Applied Mechanics and …, 2017 - Elsevier
In this paper, we explore the possibility to derive an original lattice Boltzmann scheme for
solving shallow water equations. Specifically, it is proposed to decompose the collision …

[HTML][HTML] A numerical study of the MRT-LBM for the shallow water equation in high Reynolds number flows: An application to real-world tsunami simulation

K Sato, K Kawasaki, S Koshimura - Nuclear Engineering and Design, 2023 - Elsevier
The lattice Boltzmann method (LBM) has recently attracted attention as a simple
computational fluid dynamics (CFD) method that does not directly solve macroscopic …

A lattice Boltzmann model for the viscous shallow water equations with source terms

Y Liu, Z Chai, X Guo, B Shi - Journal of Hydrology, 2021 - Elsevier
In this paper, a lattice Boltzmann (LB) model is proposed for a class of viscous shallow water
equations, in which a second-order moment of the source term is applied to recover the …

Water-balanced inlet and outlet boundary conditions of the lattice Boltzmann method for shallow water equations

Z Ru, H Liu, G Tu, W Huang - Computers & Fluids, 2023 - Elsevier
Conservation of mass or water balance is important for the simulation of shallow water
projects. The traditional treatment of discharge and water level boundary conditions ignores …

A novel framework of the lattice Boltzmann model for multilayer shallow water systems

Z Ru, H Liu, W Yang, F Leng - Physics of Fluids, 2024 - pubs.aip.org
This study proposes a novel framework of the lattice Boltzmann model for multilayer shallow
water equations, considering the mass and momentum exchanges between layers …

Lattice Boltzmann model for shallow water in curvilinear coordinate grid

Z Zhao, P Huang, S Li - Journal of Hydrodynamics, Ser. B, 2017 - Elsevier
In this study, a multi-relaxation time lattice Boltzmann model for shallow water in a
curvilinear coordinate grid is developed using the generalized form of the interpolation …

A comparison of lattice Boltzmann schemes for sub-critical shallow water flows

A De Rosis - Physics of Fluids, 2023 - pubs.aip.org
In this paper, we test the numerical properties of several variants of the lattice Boltzmann
method (LBM) for simulating the shallow water flows. Specifically, we perform a systematic …

A fast and efficient integration of boundary conditions into a unified CUDA Kernel for a shallow water solver lattice Boltzmann Method

A Salinas, C Torres, O Ayala - Computer Physics Communications, 2020 - Elsevier
In this work, we present an exhaustive performance analysis of the integration of boundary
conditions in a unified CUDA kernel for a lattice Boltzmann shallow water solver. This kernel …

Unsteady flow simulation using the curvilinear multiple-relaxation-time lattice Boltzmann method: Danube River case study

L Budinski, EP Kermani, S Ožvat… - Journal of Hydraulic …, 2020 - Taylor & Francis
In order to introduce the lattice Boltzmann method as a competitive approach compared to
traditionally based mathematical models when river and coastal hydraulics are considered …

An evaluation of force terms in the lattice Boltzmann models in simulating shallow water flows over complex topography

S Li, Y Li, Z Zeng, P Huang… - International Journal for …, 2019 - Wiley Online Library
Proper approximation of the force terms, especially the bed slope term, is of crucial
importance to simulating shallow water flows in lattice Boltzmann (LB) models. However …