Brief introduction to discrete Boltzmann modeling and analysis method

A Xu - arXiv preprint arXiv:2308.16760, 2023 - arxiv.org
We briefly introduce several fundamental problems that cause the creation of Discrete
Boltzmann modeling and analysis Method (DBM), corresponding solutions, the relationship …

Macroscopic model and truncation error of discrete Boltzmann method

YH Hwang - Journal of Computational Physics, 2016 - Elsevier
A derivation procedure to secure the macroscopically equivalent equation and its truncation
error for discrete Boltzmann method is proffered in this paper. Essential presumptions of two …

Advances in the kinetics of heat and mass transfer in near-continuous complex flows

A Xu, D Zhang, Y Gan - Frontiers of Physics, 2024 - Springer
The study of macro continuous flow has a long history. Simultaneously, the exploration of
heat and mass transfer in small systems with a particle number of several hundred or less …

Two-fluid discrete Boltzmann model for compressible flows: Based on ellipsoidal statistical Bhatnagar–Gross–Krook

D Zhang, A Xu, Y Zhang, Y Li - Physics of Fluids, 2020 - pubs.aip.org
A two-fluid Discrete Boltzmann Model (DBM) for compressible flows based on the ellipsoidal
statistical Bhatnagar–Gross–Krook is presented. The model has a flexible Prandtl number or …

Three-dimensional discrete Boltzmann models for compressible flows in and out of equilibrium

Y Gan, A Xu, G Zhang, H Lai - Proceedings of the Institution …, 2018 - journals.sagepub.com
We present a series of three-dimensional discrete Boltzmann models for compressible flows
in and out of equilibrium. The key formulating technique is the construction of discrete …

Discrete Boltzmann method for non-equilibrium flows: Based on Shakhov model

Y Zhang, A Xu, G Zhang, Z Chen, P Wang - Computer Physics …, 2019 - Elsevier
A general framework for constructing discrete Boltzmann model for non-equilibrium flows
based on the Shakhov model is presented. The Hermite polynomial expansion and a set of …

Discrete Boltzmann modeling of compressible flows

A Xu, G Zhang, Y Zhang - Kinetic theory, 2018 - books.google.com
Mathematically, the typical difference of discrete Boltzmann model (DBM) from the traditional
hydrodynamic one is that the Navier-Stokes (NS) equations are replaced by a discrete …

A multi-component discrete Boltzmann model for nonequilibrium reactive flows

C Lin, KH Luo, L Fei, S Succi - Scientific reports, 2017 - nature.com
We propose a multi-component discrete Boltzmann model (DBM) for premixed,
nonpremixed, or partially premixed nonequilibrium reactive flows. This model is suitable for …

The Soret effect with the D1Q2 and D2Q4 lattice Boltzmann model

AA Mohamad, A Kuzmin - International Journal of Nonlinear …, 2012 - degruyter.com
The paper analysis the incorporation of the source term in the advection-diffusion equation
for the BGK Lattice Boltzmann Method (LBM). The problem is the coupled energy and …

Discrete ellipsoidal statistical BGK model and Burnett equations

YD Zhang, AG Xu, GC Zhang, ZH Chen, P Wang - Frontiers of Physics, 2018 - Springer
A new discrete Boltzmann model, the discrete ellipsoidal statistical Bhatnagar–Gross–Krook
(ESBGK) model, is proposed to simulate nonequilibrium compressible flows. Compared with …