Parametric oscillation of cables and aerodynamic effect

Yong Xia; Jing Zhang; You Lin Xu; Yozo Fujino

doi:10.1007/s11709-010-0028-z

Parametric oscillation of cables and aerodynamic effect

Yong Xia, Jing Zhang, You Lin Xu, Yozo Fujino

Research output: Journal article publication › Journal article › Academic research › peer-review

4 Citations (Scopus)

Abstract

This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration of cables in cable-stayed bridges. A simplified 2-DOF model, including a beam and a stayed cable, is formulated first. Response of the cable under global harmonic excitation which is associated with wind speed is obtained using the multiple scales method. Via numerical analysis, the stability condition of the cable in terms of wind speed is derived. The method is applied to a numerical example and a long-span bridge to analyze its all stay cables. It is demonstrated that very large vibration at one of the longest cables in the middle span of the bridge can be parametrically excited when the wind speed is over around 210 km/h (58.5 m/s).

Original language	English
Pages (from-to)	321-325
Number of pages	5
Journal	Frontiers of Architecture and Civil Engineering in China
Volume	4
Issue number	3
DOIs	https://doi.org/10.1007/s11709-010-0028-z
Publication status	Published - 16 Jul 2010

Keywords

cable-stayed bridge
cables
nonlinear vibration
parametric vibration

ASJC Scopus subject areas

Civil and Structural Engineering
Architecture

More information

10.1007/s11709-010-0028-z

Cite this

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abstract = "This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration of cables in cable-stayed bridges. A simplified 2-DOF model, including a beam and a stayed cable, is formulated first. Response of the cable under global harmonic excitation which is associated with wind speed is obtained using the multiple scales method. Via numerical analysis, the stability condition of the cable in terms of wind speed is derived. The method is applied to a numerical example and a long-span bridge to analyze its all stay cables. It is demonstrated that very large vibration at one of the longest cables in the middle span of the bridge can be parametrically excited when the wind speed is over around 210 km/h (58.5 m/s).",

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AU - Xia, Yong

AU - Zhang, Jing

AU - Xu, You Lin

AU - Fujino, Yozo

PY - 2010/7/16

Y1 - 2010/7/16

N2 - This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration of cables in cable-stayed bridges. A simplified 2-DOF model, including a beam and a stayed cable, is formulated first. Response of the cable under global harmonic excitation which is associated with wind speed is obtained using the multiple scales method. Via numerical analysis, the stability condition of the cable in terms of wind speed is derived. The method is applied to a numerical example and a long-span bridge to analyze its all stay cables. It is demonstrated that very large vibration at one of the longest cables in the middle span of the bridge can be parametrically excited when the wind speed is over around 210 km/h (58.5 m/s).

AB - This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration of cables in cable-stayed bridges. A simplified 2-DOF model, including a beam and a stayed cable, is formulated first. Response of the cable under global harmonic excitation which is associated with wind speed is obtained using the multiple scales method. Via numerical analysis, the stability condition of the cable in terms of wind speed is derived. The method is applied to a numerical example and a long-span bridge to analyze its all stay cables. It is demonstrated that very large vibration at one of the longest cables in the middle span of the bridge can be parametrically excited when the wind speed is over around 210 km/h (58.5 m/s).

KW - cable-stayed bridge

KW - cables

KW - nonlinear vibration

KW - parametric vibration

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DO - 10.1007/s11709-010-0028-z

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JO - Frontiers of Structural and Civil Engineering

JF - Frontiers of Structural and Civil Engineering

IS - 3

ER -

Parametric oscillation of cables and aerodynamic effect

Abstract

Keywords

ASJC Scopus subject areas

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