A perspective on the state of aerospace computational fluid dynamics technology

M Mani, AJ Dorgan - Annual Review of Fluid Mechanics, 2023 - annualreviews.org
Over the past several decades, computational fluid dynamics has been increasingly used in
the aerospace industry for the design and study of new and derivative aircraft. In this review …

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 …

Dynamic analysis of the flow fields around single-and double-unit trains

XB Li, G Chen, Z Wang, XH Xiong, XF Liang… - Journal of Wind …, 2019 - Elsevier
With the increasing need for passenger transportation, the double-unit formation of high-
speed trains (HSTs) has been widely employed. However, the dynamic characteristics of the …

Transonic lift and drag predictions using wall-modelled large eddy simulations

AS Ghate, GK Kenway, GD Stich, OM Browne… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-1439. vid Wall-modelled Large
Eddy Simulations (WMLES) of the NASA Common Research Model (CRM) at transonic …

On the aerodynamic loads when a high speed train passes under an overhead bridge

XF Liang, XB Li, G Chen, B Sun, Z Wang… - Journal of Wind …, 2020 - Elsevier
The aerodynamic loads on the overhead bridge bottom surface induced by train passage
are reported in this paper. Both moving model test and numerical simulation approaches at …

Sensitivity analysis of hybrid methods for the flow around the ahmed body with application to passive control with rounded edges

F Delassaux, I Mortazavi, E Itam, V Herbert, C Ribes - Computers & Fluids, 2021 - Elsevier
A comparative study of SST RANS and three hybrid approaches (SAS, DDES and SBES
methods) is performed to analyse the flow around the 25∘ Ahmed body. The DDES …

Scale resolving simulations of the NASA Juncture Flow Model using the LAVA solver

AS Ghate, JA Housman, GD Stich, G Kenway… - AIAA Aviation 2020 …, 2020 - arc.aiaa.org
Two distinct simulation methodologies: Delayed Detached Eddy Simulation (DDES) and
stress based Wall-modelled Large Eddy Simulation (WMLES) are evaluated using …

On the anti-rolling performance of a train using a vortex generator array

B Xu, X Chen, T Liu, Z Chen, W Li, Y Xia… - Engineering …, 2023 - Taylor & Francis
Vortex generators (VGs) have shown the potential to mitigate the train's operational
instability issues caused by strong wind. Numerical simulations are used to predict the flow …

Numerical investigations of dynamic stall on a rotor with cyclic pitch control

J Letzgus, AD Gardner, T Schwermer… - Journal of the …, 2019 - ingentaconnect.com
Numerical computations of three-dimensional dynamic stall on a two-bladed model rotor (R=
0.65 m, M 75= 0.21, Re 75= 3.5× 105) with 1/rev cyclic pitch control are presented and …

Assessment of nonlinear-low Reynolds number/detached eddy simulation turbulence model for wake flow field simulation of a realistic automotive model

Y Yang, L Zheng - Physics of Fluids, 2023 - pubs.aip.org
Since the results of wake flow simulation with commonly used turbulence models are
unsatisfactory, by introducing a nonlinear Reynolds stress term and combining the DES …