[HTML][HTML] Recent advances in understanding the flow over bluff bodies with different geometries at moderate Reynolds numbers

MR Lekkala, M Latheef, JH Jung, A Coraddu, H Zhu… - Ocean …, 2022 - Elsevier
The application of unsteady incompressible flow phenomenon over the bluff bodies has
received the attention of many researchers due to the rich and complex physics …

A review of experiments on stationary bluff body wakes

B Forouzi Feshalami, S He, F Scarano, L Gan… - Physics of …, 2022 - pubs.aip.org
Experimental studies dealing with the wake of isolated stationary bluff bodies are reviewed.
After briefly recalling the pioneering works in this domain, the paper focuses on recent …

Numerical simulation of the wake instabilities of a propeller

L Wang, T Wu, J Gong, Y Yang - Physics of Fluids, 2021 - pubs.aip.org
Propeller wake instability mechanisms are investigated using the improved detached-eddy
and large-eddy simulation approaches under heavy loading condition. Simulations involving …

Numerical investigation on flow-induced vibration response of the cylinder inspired by the honeycomb

W Wang, F Zhao - Ocean Engineering, 2023 - Elsevier
The honeycomb-shaped structure has been proved to have good mechanical properties,
and is it possible combining its good mechanical properties together with its flow …

Proper orthogonal decomposition of large-eddy simulation data over real urban morphology

Y Liu, CH Liu, GP Brasseur, CYH Chao - Sustainable Cities and Society, 2023 - Elsevier
Proper orthogonal decomposition (POD) is implemented to the atmospheric surface layer
(ASL) over real urban morphology based on the data of large-eddy simulation (LES) with …

Spectral proper orthogonal decomposition and machine learning algorithms for bearing fault diagnosis

A Afia, F Gougam, W Touzout, C Rahmoune… - Journal of the Brazilian …, 2023 - Springer
Vibration analysis has been extensively exploited for bearing fault diagnosis. However,
signal acquisition is quite expensive since external hardware is required. Moreover, for …

Research on spectral estimation parameters for application of spectral proper orthogonal decomposition in train wake flows

XB Li, G Chen, XF Liang, DR Liu, XH Xiong - Physics of Fluids, 2021 - pubs.aip.org
Coherent structures in surrounding flows around ground vehicles play an important role in
characterizing their aerodynamic features. However, due to restrictions of traditional reduced …

Large eddy simulations and modal decomposition analysis of flow past a cylinder subject to flow-induced vibration

MJ Janocha, MC Ong, G Yin - Physics of Fluids, 2022 - pubs.aip.org
Large eddy simulations (LES) are carried out to investigate the flow around a vibrating
cylinder in the subcritical Reynolds number regime at Re= 3900. Three reduced velocities, U …

Numerical investigation on aerodynamic noise of flow past a cylinder with different spanwise lengths

G Chen, B Zang, M Azarpeyvand - Physics of Fluids, 2023 - pubs.aip.org
ABSTRACT A numerical investigation is conducted on aerodynamic noise of flow past a
circular cylinder with different spanwise lengths (0.5 pD, pD, 2pD, and 4pD) at Re ¼10000 …

A hierarchical autoencoder and temporal convolutional neural network reduced-order model for the turbulent wake of a three-dimensional bluff body

C Xia, M Wang, Y Fan, Z Yang, X Du - Physics of Fluids, 2023 - pubs.aip.org
We propose a novel reduced-order model and examine its applicability to the complex three-
dimensional turbulent wake of a generic square-backed bluff body called the Ahmed body at …