RESEARCH PAPERS: Offshore Mechanics

Wave Forces Acting on a Moving Cylinder

[+] Author and Article Information
W. Koterayama, M. Nakamura

Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan

J. Offshore Mech. Arct. Eng 110(4), 315-319 (Nov 01, 1988) (5 pages) doi:10.1115/1.3257068 History: Received March 20, 1985; Revised May 18, 1988; Online October 30, 2009


Wave forces acting on a surging circular cylinder in regular waves are measured in a wave tank. Experiments are carried on various combinations of the amplitude of a wave and a surge, and the phase difference between them. The results of experiments are compared with those of calculations. The Morison equation extended to the case of relative motion is employed to calculate the forces on the cylinder. The inertia, added mass and drag coefficients used in the calculations are obtained from wave force measurements on a fixed cylinder and forced-surge tests in still water.

Copyright © 1988 by ASME
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