Temporal large eddy simulation with lattice Boltzmann methods

S Simonis, D Oberle, M Gaedtke, P Jenny… - Journal of Computational …, 2022 - Elsevier
We provide a first investigation of using lattice Boltzmann methods (LBM) for temporal large
eddy simulation (TLES). The temporal direct deconvolution model (TDDM) is injected as a …

On the use of les and 3d empirical mode decomposition for analyzing cycle-to-cycle variations of in-cylinder tumbling flow

Z Ding, K Truffin, S Jay, M Schmidt, F Foucher… - Flow, Turbulence and …, 2023 - Springer
Multi-cycle large-eddy simulation (LES) is performed to investigate cycle-to-cycle variations
(CCV) of in-cylinder flow in a single-cylinder spark ignition optically-accessible research …

Linear and brute force stability of orthogonal moment multiple-relaxation-time lattice Boltzmann methods applied to homogeneous isotropic turbulence

S Simonis, M Haussmann… - … of the Royal …, 2021 - royalsocietypublishing.org
Multiple-relaxation-time (MRT) lattice Boltzmann methods (LBM) based on orthogonal
moments exhibit lattice Mach number dependent instabilities in diffusive scaling. The …

[HTML][HTML] Wall-modeled lattice Boltzmann large-eddy simulation of neutral atmospheric boundary layers

H Asmuth, CF Janßen, H Olivares-Espinosa… - Physics of fluids, 2021 - pubs.aip.org
The lattice Boltzmann method (LBM) sees a growing popularity in the field of atmospheric
sciences and wind energy, largely due to its excellent computational performance. Still, LBM …

Improved wall model treatment for aerodynamic flows in LBM

J Degrigny, SG Cai, JF Boussuge, P Sagaut - Computers & Fluids, 2021 - Elsevier
The article deals with an improved treatment of wall models for the simulation of turbulent
flows in the framework of Immersed Wall Boundaries on Cartesian grids. The emphasis is …

Numerical evaluation of thermal comfort using a large eddy lattice Boltzmann method

M Siodlaczek, M Gaedtke, S Simonis… - Building and …, 2021 - Elsevier
Detailed numerical analyses of temperature and air velocity distributions are relevant to
assess thermal comfort in a wide range of applications. Until now mainly simulations based …

Consistent lattice Boltzmann methods for the volume averaged Navier–Stokes equations

F Bukreev, S Simonis, A Kummerländer… - Journal of …, 2023 - Elsevier
We derive a novel lattice Boltzmann scheme, which uses a pressure correction forcing term
for approximating the volume averaged Navier–Stokes equations (VANSE) in up to three …

Investigations of spray breakup Rayleigh–Taylor instability via multiphase lattice Boltzmann flux solver

Y Wang, SY Gao, FY Zhao, LM Yang, WB Yu - Physics of Fluids, 2023 - pubs.aip.org
Poor fuel–air mixing of the diesel spray in low ambient temperature and pressure or thin air
leads to intricate fuel breakup mechanism near the nozzle, which still remains worth of study …

Unsteady aerodynamic simulations by the lattice Boltzmann method with near-wall modeling on hierarchical Cartesian grids

H Maeyama, T Imamura, J Osaka, N Kurimoto - Computers & Fluids, 2022 - Elsevier
Near-wall modeling for large-eddy simulation (LES) based on the lattice Boltzmann method
(LBM) is applied to the unsteady aerodynamic simulations around the tandem cylinders and …

A comprehensive framework for robust hybrid RANS/LES simulations of wall-bounded flows in LBM

J Husson, M Terracol, S Deck, T Le Garrec - Journal of Computational …, 2024 - Elsevier
The present paper focuses on lattice Boltzmann method (LBM) simulations of turbulent flows
in combination with a Zonal Detached Eddy Simulation (ZDES) approach, specifically its …