[HTML][HTML] Grid-point and time-step requirements for direct numerical simulation and large-eddy simulation

XIA Yang, KP Griffin - Physics of Fluids, 2021 - pubs.aip.org
We revisit the grid-point requirement estimates in Choi and Moin [“Grid-point requirements
for large eddy simulation: Chapman's estimates revisited,” Phys. Fluids 24, 011702 (2012)] …

A library for wall-modelled large-eddy simulation based on OpenFOAM technology

T Mukha, S Rezaeiravesh, M Liefvendahl - Computer Physics …, 2019 - Elsevier
This work presents a feature-rich open-source library for wall-modelled large-eddy
simulation (WMLES), which is a turbulence modelling approach that reduces the …

LES grid resolution requirements for the modelling of gravity currents

J Pelmard, S Norris, H Friedrich - Computers & Fluids, 2018 - Elsevier
The influence of the grid resolution on the large eddy simulation (LES) of a lock-exchange
turbidity current is investigated. The simulations are performed using a finite volume …

Grid requirements for LES of ship hydrodynamics in model and full scale

M Liefvendahl, C Fureby - Ocean Engineering, 2017 - Elsevier
A review is presented of estimates for the grid resolution requirements for wall-resolved and
wall-modeled large-eddy simulation, of flows with an important influence of turbulent …

A priori assessment of nonlocal data-driven wall modeling in large eddy simulation

G Tabe Jamaat, Y Hattori - Physics of Fluids, 2023 - pubs.aip.org
In the present study, a priori assessment is performed on the ability of the convolutional
neural network (CNN) for wall-modeling in large eddy simulation. The data used for the …

[HTML][HTML] Predictive accuracy of wall-modelled large-eddy simulation on unstructured grids

T Mukha, RE Bensow, M Liefvendahl - Computers & Fluids, 2021 - Elsevier
The predictive accuracy of wall-modelled LES is influenced by a combination of the subgrid
model, the wall model, the numerical dissipation induced primarily by the convective …

[HTML][HTML] Evaluation of scale-resolving simulations for a turbulent channel flow

M Klapwijk, T Lloyd, G Vaz, T Van Terwisga - Computers & Fluids, 2020 - Elsevier
Different variable resolution turbulence modelling approaches (Hybrid, Bridging models and
LES) are evaluated for turbulent channel flow at R e τ= 395, for cases using either …

Wall-modeled LES for ship hydrodynamics in model scale

M Liefvendahl, M Johansson - Journal of Ship Research, 2021 - onepetro.org
A complete approach for wall-modeled large-eddy simulation (WMLES) is demonstrated for
the simulation of the flow around a bulk carrier in the model scale. Essential components of …

The generation of turbulent inflow boundary conditions using precursor channel flow simulations

T Mukha, M Liefvendahl - Computers & Fluids, 2017 - Elsevier
The use of a precursor simulation of fully developed turbulent channel flow for the
generation of turbulent boundary layer (TBL) inflow data is investigated. Based on the …

Wall-modeled large-eddy simulation based on spectral-element discretization

T Mukha, P Schlatter - arXiv preprint arXiv:2404.05378, 2024 - arxiv.org
This article analyses the simulation methodology for wall-modeled large-eddy simulations
using solvers based on the spectral-element method (SEM). To that end, algebraic wall …