[HTML][HTML] The state of the art of hybrid RANS/LES modeling for the simulation of turbulent flows

B Chaouat - Flow, turbulence and combustion, 2017 - Springer
This review presents the state of the art of hybrid RANS/LES modeling for the simulation of
turbulent flows. After recalling the modeling used in RANS and LES methodologies, we …

Wall-layer models for large-eddy simulations

U Piomelli - Progress in aerospace sciences, 2008 - Elsevier
The numerical simulation of high Reynolds number flows is hampered by model accuracy if
the Reynolds-averaged Navier–Stokes (RANS) equations are used, and by computational …

A hybrid RANS-LES approach with delayed-DES and wall-modelled LES capabilities

ML Shur, PR Spalart, MK Strelets, AK Travin - … journal of heat and fluid flow, 2008 - Elsevier
A CFD strategy is proposed that combines delayed detached-eddy simulation (DDES) with
an improved RANS-LES hybrid model aimed at wall modelling in LES (WMLES). The system …

Reynolds-stress-constrained large-eddy simulation of wall-bounded turbulent flows

S Chen, Z Xia, S Pei, J Wang, Y Yang… - Journal of Fluid …, 2012 - cambridge.org
In the traditional hybrid RANS/LES approaches for the simulation of wall-bounded fluid
turbulence, such as detached-eddy simulation (DES), the whole flow domain is divided into …

Machine learning-augmented turbulence modeling for RANS simulations of massively separated flows

PS Volpiani, M Meyer, L Franceschini, J Dandois… - Physical Review …, 2021 - APS
Most widely used Reynolds-averaged Navier-Stokes (RANS) models employ the
Boussinesq approximation, which assumes a linear relationship between the turbulent …

Large eddy simulation requirements for the flow over periodic hills

X Gloerfelt, P Cinnella - Flow, Turbulence and Combustion, 2019 - Springer
Large eddy simulations are carried out for flows in a channel with streamwise-periodic
constrictions, a well-documented benchmark case to study turbulent flow separation from a …

Implicit large eddy simulation of weakly-compressible turbulent channel flow

IW Kokkinakis, D Drikakis - Computer Methods in Applied Mechanics and …, 2015 - Elsevier
This paper concerns the accuracy of several high-resolution and high-order finite volume
schemes in Implicit Large Eddy Simulation of weakly-compressible turbulent channel flow …

A unified RANS–LES model: Computational development, accuracy and cost

H Gopalan, S Heinz, MK Stöllinger - Journal of Computational Physics, 2013 - Elsevier
Large eddy simulation (LES) is computationally extremely expensive for the investigation of
wall-bounded turbulent flows at high Reynolds numbers. A way to reduce the computational …

Turbulent indoor airflow simulation using hybrid LES/RANS model utilizing Lattice Boltzmann method

H Sajjadi, M Salmanzadeh, G Ahmadi, S Jafari - Computers & Fluids, 2017 - Elsevier
In this study the LES, RANS and hybrid RANS/LES turbulence models within the frame work
of the Lattice Boltzmann method (LBM) were used to study turbulent indoor airflow. The …

A compressible wall model for large-eddy simulation with application to prediction of aerothermal quantities

S Bocquet, P Sagaut, J Jouhaud - Physics of fluids, 2012 - pubs.aip.org
Large-eddy simulation (LES) of compressible flow with wall modelling is assessed on a
quasi-isothermal and supersonic plane channel. The derivation of a quasi-analytical wall …