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A stochastic approach to cable dynamics with moving rivulets

Cao, D. Q. and Tucker, R. W. and Wang, C. (2003) A stochastic approach to cable dynamics with moving rivulets. Journal of Sound and Vibration, 268 (2). pp. 291-304. ISSN 0022-460X

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Abstract

This article constructs a stochastic model for the response of stay cables of cable-stayed bridges to the combined effect of wind and rain. It describes a spring-mounted section model of a stay cable in a steady wind where aerodynamic forces are modified by the dynamics of a mobile liquid rivulet. The motion of the rivulet is described by a simple stochastic process that, together with aerodynamic forces, models the complex fluid–structure interaction. Based on measured data for drag and lift coefficients and a static rivulet location, an analysis of the model suggests a new stochastic excitation mechanism for the rain–wind induced vibrations of stay cables.

Item Type: Article
Journal or Publication Title: Journal of Sound and Vibration
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Engineering
Faculty of Science and Technology > Physics
ID Code: 75218
Deposited By: ep_importer_pure
Deposited On: 12 Aug 2015 14:26
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 02:59
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/75218

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