Immersed boundary conditions for moving objects in turbulent flows with the lattice-Boltzmann method

I Cheylan, J Favier, P Sagaut - Physics of Fluids, 2021 - pubs.aip.org
An immersed boundary method is coupled to a turbulent wall model and Large Eddy
Simulation, within the Lattice-Boltzmann framework. The method is able to handle arbitrarily …

Large-eddy lattice-Boltzmann modeling of transonic flows

T Coratger, G Farag, S Zhao, P Boivin, P Sagaut - Physics of Fluids, 2021 - pubs.aip.org
A D3Q19 hybrid recursive regularized pressure based lattice-Boltzmann method (HRR-P
LBM) is assessed for the simulation of complex transonic flows. Mass and momentum …

Improved standard thermal lattice Boltzmann model with hybrid recursive regularization for compressible laminar and turbulent flows

S Guo, Y Feng, P Sagaut - Physics of Fluids, 2020 - pubs.aip.org
Based on recent work by Guo et al.[“An efficient lattice Boltzmann method for compressible
aerodynamics on D3Q19 lattice,” J. Comput. Phys. 418, 109570 (2020)], an improved …

Solid wall and open boundary conditions in hybrid recursive regularized lattice Boltzmann method for compressible flows

Y Feng, S Guo, J Jacob, P Sagaut - Physics of Fluids, 2019 - pubs.aip.org
Complex geometries and open boundaries have been intensively studied in the nearly
incompressible lattice Boltzmann method (LBM) framework. Therefore, only few boundary …

Consistency study of lattice-Boltzmann schemes macroscopic limit

G Farag, S Zhao, G Chiavassa, P Boivin - Physics of Fluids, 2021 - pubs.aip.org
Owing to the lack of consensus about the way Chapman–Enskog should be performed, a
new Taylor-expansion of lattice-Boltzmann models is proposed. In contrast to the Chapman …

Mesoscopic CUDA 3D MRT-LBM simulation of natural convection of power-law fluids in a differentially heated cubic cavity with a machine learning cross-validation

MF Hasan, MM Molla, S Siddiqa, AI Khan - Arabian Journal for Science …, 2024 - Springer
The aim of this study was to investigate the natural convection of power-law fluids in a
differentially heated cubic cavity by considering graphics process unit (GPU)-accelerated …

Aeroacoustic assessment of a rectilinear cascade with leading edge serrations: predictions and measurements

M Buszyk, C Polacsek, T Le Garrec, R Barrier, V Clair… - Computers & …, 2024 - Elsevier
This study aims at evaluating previously designed leading edge serrations for the turbulence-
cascade interaction noise reduction on a rectilinear cascade. Low and high-fidelity …

A unified hybrid lattice-Boltzmann method for compressible flows: Bridging between pressure-based and density-based methods

G Farag, T Coratger, G Wissocq, S Zhao, P Boivin… - Physics of …, 2021 - pubs.aip.org
A unified expression for high-speed compressible segregated consistent lattice Boltzmann
methods, namely, pressure-based and improved density-based methods, is given. It is …

A linear stability analysis of compressible hybrid lattice Boltzmann methods

F Renard, G Wissocq, JF Boussuge… - Journal of Computational …, 2021 - Elsevier
An original spectral study of the compressible hybrid lattice Boltzmann method (HLBM) on
standard lattice is proposed. In this framework, the mass and momentum equations are …

Simulation of three-dimensional forced compressible isotropic turbulence by a redesigned discrete unified gas kinetic scheme

T Chen, X Wen, LP Wang, Z Guo, J Wang, S Chen… - Physics of …, 2022 - pubs.aip.org
In this paper, we implemented the Boltzmann-equation-based mesoscopic model,
developed recently by Chen et al.[“Inverse design of mesoscopic models for compressible …