Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11663
Title: Mitigation of three-dimensional vibration of inclined sag cable using discrete oil dampers - I. formulation
Authors: Yu, Z
Xu, YL 
Issue Date: 1998
Publisher: Academic Press
Source: Journal of sound and vibration, 1998, v. 214, no. 4, p. 659-673 How to cite?
Journal: Journal of Sound and Vibration 
Abstract: Three-dimensional small-amplitude free and forced vibration problems of an inclined sag cable equipped with discrete oil dampers are formulated in this paper using a hybrid method. The hybrid method can readily consider cable sag, cable inclination, cable internal damping, damper direction, damper stiffness and others. Multi-pairs of oil dampers with either symmetric or unsymmetric arrangement can also be dealt with. From complex vibration analyses, the damping ratios of a cable, attributed to the installed oil dampers, in both in-plane and out-of-plane modes of vibration can be estimated. The dynamic in-plane and out-of-plane responses of the cable under harmonic excitation can also be determined in the frequency domain. The application of the derived formulae to sag cables in a real cable-stayed bridge is presented in part II of this paper with extensive parametric studies.
URI: http://hdl.handle.net/10397/11663
ISSN: 0022-460X
DOI: 10.1006/jsvi.1998.1609
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