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Structural Engineering and Mechanics Volume 45, Number 2, January25 2013 , pages 145-157 DOI: https://doi.org/10.12989/sem.2013.45.2.145 |
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Static and free vibration analysis of shallow sagging inclined cables |
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Zhi-Jiang Li, Peng Li, Zeng He and Ping Cao
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| Abstract | ||
| Based on link-model, we conducted a static analysis and computation of a three-span suspended cable structure in the present paper, and obtained the static configuration and tension distribution of the cable. Using the link and beam model based on finite element method, we analyzed the vibration modal of three-span suspended cable structure, and compared with the results obtained from ANSYS using link and beam element. The vibration modals of shallow sagging inclined cables calculated from proposed method agrees well with ANSYS results, which validates the proposed method. As a result, the influence of bend stiffness on in-plane natural frequencies is much greater than that on out-of-plane natural frequencies of inclined cables. | ||
| Key Words | ||
| inclined cables; link-model; beam-model; static analysis; non-linear vibration | ||
| Address | ||
| Zhi-Jiang Li: Central South University, Changsha 430011, China Peng Li: China ship development and design center, Wuhan 430064, China Zeng He: Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment, Wuhan 430074, China Ping Cao: Central South University, Changsha 430011, China | ||