The Action of Irregular Waves on Ships Moored on Terminals

[+] Author and Article Information
Yu-Cheng Li

Department of Hydraulic Engineering, Dalian Institute of Technology, Dalian, People’s Republic of China; Ocean Engineering Program, Texas A&M University, College Station, Tex. 77843

J. Energy Resour. Technol 104(4), 363-368 (Dec 01, 1982) (6 pages) doi:10.1115/1.3230429 History: Received August 04, 1981; Revised December 31, 1981; Online October 22, 2009


For the analysis of the dynamic characteristics of ships moored at the offshore terminals under the action of wind waves, the moored ship system may be simplified to be linear. Introducing the transfer function Ye (ω), the impact energy of a moored ship on the terminal resulting from a random sea may be obtained from the spectrum of the ocean waves. Furthermore, by using the directional function of impact Y2 (α), the directional spectrum of the impact by ships can also be estimated. The results show that there is a significant relationship between the spectrum of the ocean waves and the impact energy of the ship.

Copyright © 1982 by ASME
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