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 …

[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 …

Moment‐based boundary conditions for straight on‐grid boundaries in three‐dimensional lattice Boltzmann simulations

I Krastins, A Kao, K Pericleous… - International Journal for …, 2020 - Wiley Online Library
In this article, moment‐based boundary conditions for the lattice Boltzmann method are
extended to three dimensions. Boundary conditions for velocity and pressure are explicitly …

[HTML][HTML] 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 …

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 …

On the lattice Boltzmann deviatoric stress: analysis, boundary conditions, and optimal relaxation times

T Reis - SIAM Journal on Scientific Computing, 2020 - SIAM
We analytically solve the two-dimensional, nine-velocity, lattice Boltzmann model in planar
channel flow and determine its deviatoric stress tensor. The shear component of its stress …

Lattice Boltzmann method with moment-based boundary conditions for rarefied flow in the slip regime

S Mohammed, T Reis - Physical Review E, 2021 - APS
A lattice Boltzmann method with moment-based boundary conditions is used to compute
flow in the slip regime. Navier-Maxwell slip conditions and Burnett-order stress conditions …

The Dissipation of the Kinetic Energy for 2D Bounded Flow by Using Moment-Based Boundary Conditions with Burnett Order Stress for LBM

SA Mohammed - Iraqi Journal of Science, 2024 - ijs.uobaghdad.edu.iq
In this article, the lattice Boltzmann method with two relaxation time (TRT) for the D2Q9
model is used to investigate numerical results for 2D flow. The problem is performed to show …

Assessment and Validation of No-slip Boundary Conditions for the Discrete Unified Gas Kinetic Scheme

G Hou, C Chen, S Qin, Y Gao, K Wang - Computational Fluid Dynamics …, 2024 - Springer
This chapter introduces different no-slip boundary conditions, including the bounce-back
(BB), non-equilibrium bounce-back (NEBB), and moment-based schemes, for the discrete …

[图书][B] Computational Fluid Dynamics: Finite Difference Method and Lattice Boltzmann Method

G Hou, C Chen, S Qin, Y Gao, K Wang - 2024 - books.google.com
This book provides a concise and comprehensive introduction to several basic methods with
more attention to their theoretical basis and applications in fluid dynamics. Furthermore …