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 …

Wall-modeled large-eddy simulation of a high Reynolds number separating and reattaching flow

GI Park - AIAA Journal, 2017 - arc.aiaa.org
The performance of two wall models based on Reynolds-averaged Navier–Stokes is
compared in large-eddy simulation of a high Reynolds number separating and reattaching …

Self-Adaptive Turbulence Eddy Simulation with a high-order finite differencing method for high Reynolds number complex flows

W Wu, Y Min, X Han, Y Ma, Z Yan, X Deng - Aerospace Science and …, 2023 - Elsevier
Accurate prediction of high Reynolds number wall-bounded flows is a challenge for
turbulence modeling and numerical discretization. Moreover, complex engineering …

Unsteady simulations of a fan/outlet-guide-vane system: Aerodynamics and turbulence

M Shur, M Strelets, A Travin, P Spalart, T Suzuki - AIAA Journal, 2018 - arc.aiaa.org
The Paper presents the aerodynamic and turbulent aspects of a project devoted to creating
and validating a high-fidelity computational-fluid-dynamics-based system for the prediction …

A dynamic version of the improved delayed detached-eddy simulation based on the differential Reynolds-stress model

Q Li, X Chen, G Wang, Y Liu - Physics of Fluids, 2022 - pubs.aip.org
A dynamic version of the improved delayed detached-eddy simulation (IDDES) based on the
differential Reynolds-stress model (RSM), referred to as the RSM-DynIDDES, is developed …

DDES with adaptive coefficient for stalled flows past a wind turbine airfoil

J Liu, W Zhu, Z Xiao, H Sun, Y Huang, Z Liu - Energy, 2018 - Elsevier
A new delayed detached eddy simulation method with adaptive coefficient (DDES-AC) is
proposed to overcome the transition delay from Reynolds-averaged Navier–Stokes (RANS) …

Resolution assessment of Reynolds stress model-based DES methods for high-lift device flow over 30P30N configuration

G Wang, Q Li, X Sun - Aerospace Science and Technology, 2024 - Elsevier
Flows over high-lift devices (HLD) contain abundant complex physical characteristics such
as flow separation, free shear layer transition, and turbulent vortex evolution, which cause …

An improved flamelet/progress variable modeling for supersonic combustion

F Shan, D Zhang, L Hou, H Fang, H Zhang… - International Journal of …, 2021 - Elsevier
In order to dynamically describe the transition of the scalar dissipation rate of the mixture
fraction variance from near-wall regions to mainstream in near-wall combustion, the …

Weighted compact nonlinear scheme based on smooth scale separation for self-adaptive turbulence eddy simulations

W Wu, X Han, Y Min, Y Ma, ZG Yan - Physics of Fluids, 2024 - pubs.aip.org
Multiscale compressible turbulent flow is widely present in the aerospace field, and the co-
existence of shock wave discontinuities and multi-scale turbulence in the flow field poses …

Evaluation of grey area mitigation tools within zonal and non-zonal RANS-LES approaches in flows with pressure induced separation

A Probst, D Schwamborn, A Garbaruk, E Guseva… - International Journal of …, 2017 - Elsevier
Hybrid RANS-LES computations of the separated flow over a wall-mounted hump are
presented, which employ different grey-area mitigation techniques in the framework of a …