Continuous data assimilation of large eddy simulation by lattice Boltzmann method and local ensemble transform Kalman filter (LBM-LETKF)

Y Hasegawa, N Onodera, Y Asahi, T Ina… - Fluid Dynamics …, 2023 - iopscience.iop.org
We investigate the applicability of the data assimilation (DA) to large eddy simulations based
on the lattice Boltzmann method (LBM). We carry out the observing system simulation …

GPU optimization of lattice Boltzmann method with local ensemble transform Kalman filter

Y Hasegawa, T Imamura, T Ina… - 2022 IEEE/ACM …, 2022 - ieeexplore.ieee.org
The ensemble data assimilation of computational fluid dynamics simulations based on the
lattice Boltzmann method (LBM) and the local ensemble transform Kalman filter (LETKF) is …

Towards wall-adaption of turbulence models within the lattice Boltzmann framework

P Nathen, D Gaudlitz, NA Adams - … International Symposium on …, 2015 - dl.begellhouse.com
This paper presents the development towards wall adaptive explicit filters for the simulation
of turbulent wall bounded flows in the framework of the lattice Boltzmann method (LBM) …

Comparisons of different implementations of turbulence modelling in lattice Boltzmann method

Z Xia, Y Shi, Y Chen, M Wang, S Chen - Journal of Turbulence, 2015 - Taylor & Francis
In this paper, we present an alternative approach for the turbulence modelling in the single-
relaxation-time lattice Boltzmann method (LBM) framework by treating the turbulence term …

Adaptive filtering for the simulation of turbulent flows with lattice Boltzmann methods

P Nathen, M Haussmann, MJ Krause, NA Adams - Computers & Fluids, 2018 - Elsevier
This paper presents an extension of a Large Eddy Simulation based approach in the
framework of Lattice Boltzmann Methods. An extended filter technique is introduced based …

Lattice Boltzmann model for three-dimensional decaying homogeneous isotropic turbulence

H Xu, W Tao, Y Zhang - Physics Letters A, 2009 - Elsevier
We implement a lattice Boltzmann method (LBM) for decaying homogeneous isotropic
turbulence based on an analogous Galerkin filter and focus on the fundamental statistical …

Evaluating the lattice Boltzmann method for large eddy simulation with dynamic sub-grid scale models

C Gkoudesnes, R Deiterding - 2019 - eprints.soton.ac.uk
In this paper, we verify the newly implemented Large Eddy Simulation (LES) models, namely
the Dynamic SMAgorinsky (DSMA) and the Wall-Adapting Local Eddy-viscosity (WALE) in …

Synthetic turbulence generator for lattice Boltzmann method at the interface between RANS and LES

X Xue, HD Yao, L Davidson - Physics of Fluids, 2022 - pubs.aip.org
The paper presents a synthetic turbulence generator (STG) for the lattice Boltzmann method
(LBM) at the interface of the Reynolds averaged Navier–Stokes (RANS) equations and the …

Lattice Boltzmann method for direct numerical simulation of turbulent flows

SS Chikatamarla, CE Frouzakis, IV Karlin… - Journal of fluid …, 2010 - cambridge.org
We present three-dimensional direct numerical simulations (DNS) of the Kida vortex flow, a
prototypical turbulent flow, using a novel high-order lattice Boltzmann (LB) model. Extensive …

Direct and large-eddy simulation of decaying and forced isotropic turbulence using lattice Boltzmann method

J Orphee, A Gungor, M Sanchez-Rocha… - 36th AIAA Fluid …, 2006 - arc.aiaa.org
The capability of the lattice Boltzmann method to simulate turbulent flows using direct and
large eddy simulations is explored by performing decaying and forced isotropic turbulence …