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 …

Aerodynamics of heavy vehicles

H Choi, J Lee, H Park - Annual Review of Fluid Mechanics, 2014 - annualreviews.org
We present an overview of the aerodynamics of heavy vehicles, such as tractor-trailers, high-
speed trains, and buses. We introduce three-dimensional flow structures around simplified …

Assessment of RANS and DES methods for realistic automotive models

N Ashton, A West, S Lardeau, A Revell - Computers & fluids, 2016 - Elsevier
This paper presents a comprehensive investigation of RANS and DES models for the
Ahmed car body and a realistic automotive vehicle; the DrivAer model. A variety of RANS …

Experimental characterization of flow unsteadiness in the centerline plane of an Ahmed body rear slant

A Thacker, S Aubrun, A Leroy, P Devinant - Experiments in fluids, 2013 - Springer
This study presents the results of an experimental analysis of the unsteady features of the
flow around the rear part of an Ahmed body with rear slant angle of 25°. This analysis …

Assessment of hybrid RANS-LES formulations for flow simulation around the Ahmed body

E Guilmineau, GB Deng, A Leroyer, P Queutey… - Computers & …, 2018 - Elsevier
This paper presents an investigation of RANS and DES models for the Ahmed body with 25°
and 35° slant angles. The Reynolds number, based on the height of the model and the …

A low-dissipation finite element scheme for scale resolving simulations of turbulent flows

O Lehmkuhl, G Houzeaux, H Owen… - Journal of …, 2019 - Elsevier
The present work extends the conservative convective scheme proposed by Charnyi et
al.(2017)[13], originally formulated for mixed finite elements and tested in laminar flows, to …

Flow and turbulent structures around simplified car models

DE Aljure, O Lehmkuhl, I Rodríguez, A Oliva - Computers & Fluids, 2014 - Elsevier
External car aerodynamics study has great importance in overall car efficiency and ride
stability, being a key element in successful automotive design. The flow over car geometries …

Aerodynamic drag reduction of high-speed maglev train based on air blowing/suction

ZX Che, S Huang, ZW Li, ZW Chen - Journal of Wind Engineering and …, 2023 - Elsevier
The significant increase in aerodynamic drag is still a key problem restricting the further
speed increase of maglev trains. The Improved Detached Eddy Simulation (IDDES) …

Assessment of LES, IDDES and RANS approaches for prediction of wakes behind notchback road vehicles

K He, G Minelli, J Wang, G Gao, S Krajnović - Journal of Wind Engineering …, 2021 - Elsevier
Abstract The capability of Large Eddy Simulations (LES), Improved Delayed Detached Eddy
Simulations (IDDES) and Reynolds-Averaged Navier–Stokes Equations (RANS) to predict …

Effects of suppressing the 3D separation on the rear slant on the flow structures around an Ahmed body

A Thacker, S Aubrun, A Leroy, P Devinant - Journal of Wind Engineering …, 2012 - Elsevier
This work considers separated flow past ground vehicles. It consists in analyzing the effect of
canceling the separation on the rear slant of an Ahmed body (inclined at 25°) on the different …