Structural Engineering and Mechanics
Volume 45, Number 2, 2013, pages 145-157
DOI: 10.12989/sem.2013.45.2.145
Static and free vibration analysis of shallow sagging inclined cables
Zhi-Jiang Li , Peng Li , Zeng He , Ping Cao
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
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