Some recent developments in turbulence closure modeling

PA Durbin - Annual Review of Fluid Mechanics, 2018 - annualreviews.org
Turbulence closure models are central to a good deal of applied computational fluid
dynamical analysis. Closure modeling endures as a productive area of research. This …

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 …

Stress-blended eddy simulation (SBES)—A new paradigm in hybrid RANS-LES modeling

F Menter - Progress in Hybrid RANS-LES Modelling: Papers …, 2018 - Springer
A new global hybrid RANS-LES methodology will be presented. It is intended as
replacement for existing models like DES/DDES/IDDES. The new model offers improved …

Heterogeneous CPU+ GPU parallelization for high-accuracy scale-resolving simulations of compressible turbulent flows on hybrid supercomputers

A Gorobets, P Bakhvalov - Computer Physics Communications, 2022 - Elsevier
A heterogeneous parallel algorithm for simulation of compressible turbulent flows and its
portable software implementation are presented. The underlying numerical method is based …

An overview of hybrid RANS–LES models developed for industrial CFD

F Menter, A Hüppe, A Matyushenko, D Kolmogorov - Applied Sciences, 2021 - mdpi.com
An overview of scale-resolving simulation (SRS) methods used in ANSYS Computational
Fluid Dynamics (CFD) software is provided. The main challenges, especially when …

Large-eddy simulations of flow past a square cylinder using structured and unstructured grids

Y Cao, T Tamura - Computers & Fluids, 2016 - Elsevier
The flow past a square cylinder at Re= 2.2× 10 4 is analyzed by large-eddy simulation (LES)
using the fine grids in order to represent details of near-cylinder flows. The accuracy of LES …

[HTML][HTML] Spectral proper orthogonal decomposition of compressor tip leakage flow

X He, Z Fang, G Rigas, M Vahdati - Physics of Fluids, 2021 - pubs.aip.org
To identify the spatiotemporal coherent structure of compressor tip leakage flow, spectral
proper orthogonal decomposition (SPOD) is performed on the near-tip flow field and the …

Towards an enhanced protection of attached boundary layers in hybrid RANS/LES methods

S Deck, N Renard - Journal of Computational Physics, 2020 - Elsevier
A robust strategy for the RANS shielding of attached boundary layers in a hybrid RANS/LES
context is presented, addressing two major issues. Firstly, the attached boundary layers …

Computational framework for launch, ascent, and vehicle aerodynamics (LAVA)

CC Kiris, JA Housman, MF Barad, C Brehm… - Aerospace Science and …, 2016 - Elsevier
Abstract The Launch Ascent and Vehicle Aerodynamics (LAVA) framework, developed at
NASA Ames Research Center, is introduced. This technology originated from addressing …

[HTML][HTML] On the explainability of machine-learning-assisted turbulence modeling for transonic flows

X He, J Tan, G Rigas, M Vahdati - International Journal of Heat and Fluid …, 2022 - Elsevier
Abstract Machine learning (ML) is a rising and promising tool for Reynolds-Averaged Navier–
Stokes (RANS) turbulence model developments, but its application to industrial flows is …