A generalized van der Pol nonlinear model of vortex-induced vibrations of bridge decks with multistability

W Cui, L Zhao, Y Ge, K Xu - Nonlinear Dynamics, 2024 - Springer
The mathematical model of vortex-induced vibrations (VIV) on long-span bridges is
important to predict nonlinear structural responses. Such models can be divided into two …

Probabilistic method for wind speed prediction and statistics distribution inference based on SHM data-driven

Y Ding, XW Ye, Y Guo, R Zhang, Z Ma - Probabilistic Engineering …, 2023 - Elsevier
For wind-sensitive structures, such as long-span bridges, high-rise buildings, transmission
towers, etc., the prediction of wind speed and its statistical distribution are vital steps in the …

Investigation on aerodynamic force nonlinear evolution for a central-slotted box girder under torsional vortex-induced vibration

S Liu, L Zhao, G Fang, C Hu, Y Ge - Journal of fluids and structures, 2021 - Elsevier
Central-slotted box girders are widely employed in long-span bridges owing to their
advantageous flutter stability. However, the existence of a central slot can degrade their …

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 …

Multiple-order vertical vortex-induced vibration mechanism of a typical streamlined closed-box girder

C Hu, L Zhao, Y Ge - Journal of Wind Engineering and Industrial …, 2022 - Elsevier
Multiple-order vertical vortex-induced vibrations (VIVs) have been frequently observed in
prototype bridges as well as tested models in wind tunnels, but VIV excitation and VIV …

Spanwise correlation of vortex-induced forces on typical bluff bodies

Y Sun, M Li, M Li, H Liao - Journal of Wind Engineering and Industrial …, 2019 - Elsevier
The spanwise correlation of vortex-induced forces (VIFs) on rectangular cylinders has been
studied extensively. However, little knowledge exists regarding the differences and the …

A simplified model to evaluate peak amplitude for vertical vortex-induced vibration of bridge decks

M Zhang, F Xu, H Yu - International Journal of Mechanical Sciences, 2021 - Elsevier
A simplified model is developed to conveniently evaluate the peak vortex-induced vibration
(VIV) amplitudes of a bridge deck at various mass-dam** conditions. As a simplified form …

Vortex-induced vibration of bridge decks: describing function-based model

M Zhang, T Wu, F Xu - Journal of Wind Engineering and Industrial …, 2019 - Elsevier
A describing function (DF)-based model is introduced for the simulation of vortex-induced
vibration (VIV) of bridge decks. Similar to the linear frequency response function, the DF is …

Aerostatic and aerodynamic stability of a suspension bridge during early erection stages

H Tang, J Kang, Y Li - Journal of Wind Engineering and Industrial …, 2023 - Elsevier
During the early erection stages of suspension bridges, the flow field around the girder with
a short length exhibits three-dimensional characteristics that affect the wind-resistant …

Vortex-induced vibration optimization of a wide streamline box girder by wind tunnel test

M Li, Y Sun, H **g, M Li - KSCE Journal of Civil Engineering, 2018 - Elsevier
Although the streamline box girder exhibits an excellent aerodynamic performance, they are
often suffer severe Vortex-Induced Vibrations (VIVs) due to complicated separation and …