Multiphysics flow simulations using D3Q19 lattice Boltzmann methods based on central moments

A De Rosis, C Coreixas - Physics of Fluids, 2020 - pubs.aip.org
In a recent work [A. De Rosis, R. Huang, and C. Coreixas,“Universal formulation of central-
moments-based lattice Boltzmann method with external forcing for the simulation of …

Computational fluid dynamics

HH Hu - Fluid mechanics, 2012 - Elsevier
Publisher Summary This chapter focuses on computational fluid dynamics. Computational
fluid dynamics (CFD) is a science that, with the help of digital computers, produces …

LaBCof: Lattice Boltzmann boundary condition framework

M Namvar, S Leclaire - Computer Physics Communications, 2023 - Elsevier
The boundary condition is one of the most challenging aspects of lattice Boltzmann
simulations. One of the reasons that make it difficult to implement a new boundary condition …

Combined immersed boundary and discrete unified gas kinetic scheme for the motion of an autonomous underwater vehicle model with slip over a solid-liquid …

W Guo, G Hou - Ocean Engineering, 2023 - Elsevier
To improve the endurance and speed of an autonomous underwater vehicle (AUV), we
consider adopting the slip over a solid-liquid interface, which has the effect of drag …

[HTML][HTML] A lattice Boltzmann formulation of the one-fluid model for multiphase flow

T Reis - Journal of Computational Physics, 2022 - Elsevier
A multiphase lattice Boltzmann model is constructed to numerically solve the one-fluid flow
equations for immiscible fluids. The method features one solver for the macroscopic …

Steady-state two-relaxation-time lattice Boltzmann formulation for transport and flow, closed with the compact multi-reflection boundary and interface-conjugate …

I Ginzburg - Journal of Computational Science, 2021 - Elsevier
We introduce the steady-state two-relaxation-time (TRT) Lattice Boltzmann method. Owing to
the symmetry argument, the bulk system and the closure equations are all expressed in …

Novel schemes of no-slip boundary conditions for the discrete unified gas kinetic scheme based on the moment constraints

W Guo, G Hou - Entropy, 2023 - mdpi.com
The boundary conditions are crucial for numerical methods. This study aims to contribute to
this growing area of research by exploring boundary conditions for the discrete unified gas …

[HTML][HTML] Direct cumulant lattice Boltzmann simulations of transitional flow in gyroidal structures including experimental validation

H Alihussein, A Prasannakumar, M Geier… - … & Mathematics with …, 2024 - Elsevier
In this work, transitional flow characteristics in gyroidal structures are investigated. For
specified flow rates corresponding to a range of Reynolds numbers from 400 to 7000, the …

Modeling the effects of slip on dipole–wall collision problems using a lattice Boltzmann equation method

S Mohammed, DI Graham, T Reis - Physics of Fluids, 2020 - pubs.aip.org
We study the physics of flow due to the interaction between a viscous dipole and boundaries
that permit slip. This includes partial and free slip, and interactions near corners. The …

Reviving the local second-order boundary approach within the two-relaxation-time lattice Boltzmann modelling

G Silva, I Ginzburg - … Transactions of the Royal Society A, 2020 - royalsocietypublishing.org
This work addresses the Dirichlet boundary condition for momentum in the lattice Boltzmann
method (LBM), with focus on the steady-state Stokes flow modelling inside non-trivial …