Abstract
Taking the bending stiffness, static sag, and geometric non-linearity into consideration, the space nonlinear vibration partial differential equations were derived. The partical differential equations were discretized in space by finite center difference approximation, then the nonlinear ordinal differential equations were obtained. A hybrid method involving the combination of the Newmark method and the pseudo-force strategy was proposed to analyze the nonlinear transient response of the inclined cable-dampers system subjected to arbitrary dynamic loading. As an example, two typical stay cables were calculated by the present method. The results reveal both the validity and the deficiency of the viscoelasticity damper for vibration control of stay cables. The efficiency and accuracy of the proposed method is also verified by comparing the results with those obtained by using Runge-Kutta direct integration technique. A new time history analysis method is provided for the research on the stay cable vibration control.
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Communicated by LI Li, Original Member of Editorial Committee, AMM
Foundation item: the National Natural Science Foundation of Jiangxi Province (0350061)
Biographies: CHEN Shui-sheng (1968}), Associate Professor, Doctor (Tel: +86-(0) 13907006807; Fax: +86-791-7046013; E-mail: chengpo.zju@263.net); SUN Bing-nan (1943}), Professor; FENG Yi-qing (1962}), Professor
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Shui-sheng, C., Bing-nan, S. & Yi-qing, F. Nonlinear transient response of stay cable with viscoelasticity damper in cable-stayed bridge. Appl Math Mech 25, 664–671 (2004). https://doi.org/10.1007/BF02438209
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DOI: https://doi.org/10.1007/BF02438209