Physics and modeling of large flow disturbances: discrete gust encounters for modern air vehicles

AR Jones, O Cetiner, MJ Smith - Annual Review of Fluid …, 2022 - annualreviews.org
Gusts of moderate and large magnitude induce flow separation and other complexities when
they interact with the lifting surfaces of air vehicles. The presence of these nonlinear gusts …

Inflow turbulence generation methods

X Wu - Annual Review of Fluid Mechanics, 2017 - annualreviews.org
Research activities on inflow turbulence generation methods have been vigorous over the
past quarter century, accompanying advances in eddy-resolving computations of spatially …

Direct numerical simulation of supersonic internal flow in a model scramjet combustor under a non-reactive condition

J Fang, X Deng, ZX Chen - Physics of Fluids, 2023 - pubs.aip.org
A Mach 1.5 non-reactive flow in a cavity-stabilized combustor of a model scramjet is studied
via a direct-numerical simulation approach, and the analysis is focused on the interaction …

Numerical simulation of local scour around the pier with and without airfoil collar (AFC) using FLOW-3D

LK Gupta, M Pandey, P Anand Raj - Environmental Fluid Mechanics, 2023 - Springer
This paper studies the pier with Air-Foil Collar (AFC) and its effect on local scour. Simulation
is carried out with two collars having diameters of 2 b and 3 b, where b is pier diameter …

A divergence-free inflow turbulence generator using spectral representation method for large-eddy simulation of ABL flows

AF Melaku, GT Bitsuamlak - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
The generation of inflow turbulence is the first necessary step to conduct a successful large-
eddy simulation (LES) of atmospheric boundary layer (ABL) flows. It is required that the …

Wind induced peak pressures on low-rise building roofs via dynamic terrain computational methodology

T Potsis, T Stathopoulos - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Abstract Computational Wind Engineering is expanding rapidly in the last decade and is
expected to be introduced as a design tool for wind-induced loads in future code provisions …

Prospect of LES for predicting wind loads and responses of tall buildings: A validation study

AF Melaku, GT Bitsuamlak - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Wind load evaluation on buildings using large-eddy simulation (LES) poses several critical
challenges. The most notable ones include accurately reproducing the approaching …

Synthetic generation of equilibrium boundary layer turbulence from modeled statistics

MC Adler, DR Gonzalez, CM Stack, DV Gaitonde - Computers & Fluids, 2018 - Elsevier
An improved synthetic digital filtering method (SDFM) for the generation of equilibrium
turbulence is described, with emphasis on the ease of application to complex configurations …

Numerical tripping of high-speed turbulent boundary layers

A Ceci, A Palumbo, J Larsson, S Pirozzoli - Theoretical and Computational …, 2022 - Springer
The influence of turbulence inflow generation on direct numerical simulations (DNS) of high-
speed turbulent boundary layers at Mach numbers of 2 and 5.84 is investigated. Two main …

[HTML][HTML] Analysis of improved digital filter inflow generation methods for compressible turbulent boundary layers

L Laguarda, S Hickel - Computers & Fluids, 2024 - Elsevier
We propose several enhancements to improve the accuracy and performance of the digital
filter turbulent inflow generation technique and assess their efficacy in the context of wall …