DYNAMIC MODELLING AND VIBRATION ANALYSIS OF A FLEXIBLE CABLE-STAYED BEAM STRUCTURE |
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| Authors: | R-F FUNGL-Y LU S-C HUANG |
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| Institution: | a Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, University Road, Yuanchau, Kaohsiung, Taiwan, 824, Republic of Chinaf1rffung@ccms.nkfust.edu.twf1b Department of Construction Engineering, National Kaohsiung First University of Scienceand Technology, University Road, Yuanchau, Kaohsiung, Taiwan, 824, Republic of Chinac Department of Mechanical Engineering, Chung Yuan Christian University, Chung-Li, Taiwan, 32023, Republic of China |
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| Abstract: | In this paper, the non-linear vibration of a cable-stayed beam with time-varying length and tension in the cable is investigated. A set of non-linear, time-varying differential equations describing this coupling system is derived by Hamilton's principle and the finite element method. According to the results of numerical simulation, the tension of the cable is related to the cable length, which in turn is a function of the longitudinal and transverse displacements of the cable. Furthermore, it is shown that the tension and length of the cable can be considerably different by using linear and non-linear models. |
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