Review of the excitation mechanism and aerodynamic flow control of vortex-induced vibration of the main girder for long-span bridges: A vortex-dynamics approach

D Gao, Z Deng, W Yang, W Chen - Journal of Fluids and Structures, 2021 - Elsevier
Two vortex-induced vibration (VIV) events of the main girder of long-span bridges
successively happened on the Yingwuzhou suspension bridge and Humen suspension …

Koopman analysis by the dynamic mode decomposition in wind engineering

CY Li, Z Chen, X Zhang, KT Tim, C Lin - Journal of Wind Engineering and …, 2023 - Elsevier
The Koopman theory, a concept to globally model nonlinear signals by a linear Hamiltonian,
has been at the frontier of fluid mechanics research for the last decade. Wind engineering …

Best practice guidelines for the dynamic mode decomposition from a wind engineering perspective

CY Li, Z Chen, AU Weerasuriya, X Zhang, X Lin… - Journal of Wind …, 2023 - Elsevier
This paper distills the serial work of Li et al., 2020a, Li et al., 2021, Li et al., 2022a, Li et al.,
2022b, Li et al., 2022c, Li et al., 2023a, Li et al., 2023b into a practice guide for the Dynamic …

Higher order dynamic mode decomposition of wind pressures on square buildings

L Zhou, KT Tse, G Hu, Y Li - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
Wind pressures on buildings with different aspect ratios were investigated via higher-order
dynamic mode decomposition (HODMD) in this study. Taken's embedding theorem was …

Twisted-wind effect on the flow field of tall building

L Zhou, G Hu, KT Tse, X He - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
Tall buildings in hilly terrain are very likely being attacked by topography-induced twisted
wind. In this study, the effects of three wind profiles on second-generation benchmark …

Experimental and coupled model investigation of an active jet for suppressing vortex-induced vibration of a box girder

G Chen, WL Chen, C Chen, D Gao, H Meng… - Journal of Fluids and …, 2024 - Elsevier
Owing to the availability of the jet flow control strategy in mitigating strongly alternating
vortex motion and shedding in the wake flow structure, an active jet produced by an air …

Energetic and dynamic characterization of pollutant dispersion in varied building layouts through an augmented analysis procedure

Y Fu, CY Li, Z Zhao, B Zhang, KT Tse, CM Mak… - Physics of …, 2024 - pubs.aip.org
This work presents a post-data analysis procedure, namely, proper orthogonal
decomposition (POD)–dynamic mode decomposition (DMD)–discrete Fourier transform …

Reynolds number sensitivity of the vortex dynamics around a long-span rail-cum-road bridge girder with three separated boxes

Y Ran, WL Chen, Y **, H Li, D Gao - Journal of Wind Engineering and …, 2024 - Elsevier
The novel separated three-box girder is gradually adopted for very long-span cable-stayed
bridges due to its excellent flutter stability. Due to its special design of cross section, it …

Experimental investigation on the aerodynamic characteristics of a tall building subjected to twisted wind

L Zhou, KT Tse, G Hu - Journal of Wind Engineering and Industrial …, 2022 - Elsevier
The influence of twisted wind profile (TWP) on aerodynamic characteristics of tall building is
investigated by pressure measurement test with varying angle of attack (AOA) of (− 90°, 90°) …

Mode interpretation of interference effects between tall buildings in tandem and side-by-side arrangement with POD and ICA

L Zhou, KT Tse, G Hu, Y Li - Engineering Structures, 2021 - Elsevier
In this study, the effect of gap distance on the aerodynamic interference effect of two
neighboring buildings has been systematically investigated. Firstly, the variation of …