Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling

Under the wind load, a structure produces the vortex vibration effect, which threatens the safety and durability of a bridge. Because of its low wind speed and high frequency, it poses a serious safety hazard to safety in the construction state and the traffic safety in the completed state. Therefor...

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Main Authors: Zhu Na, Tian Jun
Format: Article
Language:English
Published: Sciendo 2023-07-01
Series:Applied Mathematics and Nonlinear Sciences
Subjects:
Online Access:https://doi.org/10.2478/amns.2021.2.00220
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author Zhu Na
Tian Jun
author_facet Zhu Na
Tian Jun
author_sort Zhu Na
collection DOAJ
description Under the wind load, a structure produces the vortex vibration effect, which threatens the safety and durability of a bridge. Because of its low wind speed and high frequency, it poses a serious safety hazard to safety in the construction state and the traffic safety in the completed state. Therefore, in this paper, a numerical simulation method of vortex-introduced vibration (VIV) performance in the main girder of cable-stayed bridge based on bidirectional fluid-solid coupling is proposed. Taking CFD control equation as the constraint condition, the main girder model is divided into the calculation domain, grid division and boundary condition setting using the Gambit pre-processing software, and a vortex-induced force (VIF) model of the main girder based on the simulation process is proposed. Finally, based on the parameters of the main girder section model, the numerical simulation results of the vortex vibration performance of the main girder are analysed, and the results show that the vortex vibration test results are basically consistent.
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spelling doaj.art-8ea16276fdbe4290b730bb993ce743cc2024-03-11T10:05:44ZengSciendoApplied Mathematics and Nonlinear Sciences2444-86562023-07-018256157010.2478/amns.2021.2.00220Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure couplingZhu Na0Tian Jun11Xuchang Vocational and Technical College, College of Civil Engineering, Xuchang, Henan461000, China2School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, Guangdong523808, ChinaUnder the wind load, a structure produces the vortex vibration effect, which threatens the safety and durability of a bridge. Because of its low wind speed and high frequency, it poses a serious safety hazard to safety in the construction state and the traffic safety in the completed state. Therefore, in this paper, a numerical simulation method of vortex-introduced vibration (VIV) performance in the main girder of cable-stayed bridge based on bidirectional fluid-solid coupling is proposed. Taking CFD control equation as the constraint condition, the main girder model is divided into the calculation domain, grid division and boundary condition setting using the Gambit pre-processing software, and a vortex-induced force (VIF) model of the main girder based on the simulation process is proposed. Finally, based on the parameters of the main girder section model, the numerical simulation results of the vortex vibration performance of the main girder are analysed, and the results show that the vortex vibration test results are basically consistent.https://doi.org/10.2478/amns.2021.2.00220bidirectional fluid-solid couplingcable-stayed bridgenumerical simulation
spellingShingle Zhu Na
Tian Jun
Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
Applied Mathematics and Nonlinear Sciences
bidirectional fluid-solid coupling
cable-stayed bridge
numerical simulation
title Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
title_full Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
title_fullStr Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
title_full_unstemmed Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
title_short Numerical simulation of vortex vibration in main girder of cable-stayed bridge based on bidirectional fluid–structure coupling
title_sort numerical simulation of vortex vibration in main girder of cable stayed bridge based on bidirectional fluid structure coupling
topic bidirectional fluid-solid coupling
cable-stayed bridge
numerical simulation
url https://doi.org/10.2478/amns.2021.2.00220
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AT tianjun numericalsimulationofvortexvibrationinmaingirderofcablestayedbridgebasedonbidirectionalfluidstructurecoupling