[HTML][HTML] A joint absorbing boundary for the multiple-relaxation-time lattice Boltzmann method in seismic acoustic wavefield modeling

CT Jiang, H Zhou, MM Xia, HM Chen, JX Tang - Petroleum Science, 2023 - Elsevier
Conventional seismic wave forward simulation generally uses mathematical means to solve
the macroscopic wave equation, and then obtains the corresponding seismic wavefield …

Thermal rarefied gas flow simulations with moving boundaries based on discrete unified gas kinetic scheme and immersed boundary method

Q He, S Tao, G Liu, L Wang, Y Ge, J Chen… - International Journal of …, 2024 - Elsevier
Rarefied gas flows in complex geometries with heat transfer and moving boundaries have
received remarkable attention due to the prevailing of micro/nano science and engineering …

[HTML][HTML] Exponential distribution functions for positivity-preserving lattice Boltzmann schemes: Application to 2D compressible flow simulations

K Thyagarajan, C Coreixas, J Latt - Physics of Fluids, 2023 - pubs.aip.org
A family of positivity-preserving lattice Boltzmann methods (LBMs) is proposed for
compressible flow simulations in the continuum regime. It relies on the efficient collide-and …

Slip velocity boundary conditions for the lattice Boltzmann modeling of microchannel flows

G Silva, I Ginzburg - … Journal for Numerical Methods in Fluids, 2022 - Wiley Online Library
Slip flows in ducts are important in numerous engineering applications, most notably in
microchannel flows. Compared to the standard no‐slip Dirichlet condition, the case of slip …

Impact of hydraulic tortuosity on microporous and nanoporous media flow

S Singh - Physical Review E, 2024 - APS
Using two-dimensional porous structures made up of homogeneously arranged solid
obstacles, we examine the effects of rarefaction on the hydraulic tortuosity in the slip and …

On application of the regularized lattice Boltzmann method for isothermal flows with non-vanishing Knudsen numbers

A Jonnalagadda, A Sharma… - Numerical Heat Transfer …, 2023 - Taylor & Francis
Despite the advances in microscale modelling capabilities, physically observed non-zero
Knudsen number (Kn) effects still elude the lattice Boltzmann method (LBM). This article …

Impact of hydraulic tortuosity on micro/nanoporous flow

S Singh - arXiv preprint arXiv:2310.09216, 2023 - arxiv.org
Using the porous structures made up of homogeneously arranged solid obstacles, we
examine the effects of rarefaction on the hydraulic tortuosity in the slip and early transition …

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 …

[HTML][HTML] Influence of surface properties on the dynamics of fluid flow

E Istenič, V Šajn, M Brojan - Physics of Fluids, 2022 - pubs.aip.org
In this paper, we study how the fluid flow near the surface of a monocrystalline body is
affected by the surface properties due to atom-surface scattering. We propose a toy model …