Sway-Added Mass and Impact Load of a Large Tanker to a Jetty in Shallow Water

[+] Author and Article Information
C. H. Kim

Department of Ocean Engineering, Davidson Laboratory, Stevens Institute of Technology, Hoboken, N.J. 07030

J. Energy Resour. Technol 105(1), 78-82 (Mar 01, 1983) (5 pages) doi:10.1115/1.3230884 History: Received September 09, 1981; Revised December 02, 1981; Online October 22, 2009


This paper presents a new simple technique for evaluating sway-added mass and the impact energy absorbed by fenders and dolphins when maneuvering a tanker to a jetty in a shallow water environment. The technique is based on the law of energy conservation, i.e., that the kinetic energy of the berthing ship is totally absorbed by the fenders during the compression phase. A time-averaged zero-frequency sway-added mass in shallow water is used in the evaluation of the kinetic energy. The theoretically calculated values of maximum deflection and fender loads are presented and compared with available experimental and analytical data. Discussion of the present method with respect to its degree of practical usefulness is given, while indicating problem areas.

Copyright © 1983 by ASME
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