RESEARCH PAPERS: Offshore Mechanics

Comparison of Analyses for Moored Systems in Random Waves

[+] Author and Article Information
R. Eatock Taylor, P. Sincock

London Centre for Marine Technology, University College London, London, U.K.

J. Offshore Mech. Arct. Eng 109(2), 133-141 (May 01, 1987) (9 pages) doi:10.1115/1.3257001 History: Received April 04, 1985; Revised May 07, 1986; Online October 30, 2009


This paper investigates methods of simulating the combined wave frequency and low-frequency wave drift forces and motion responses of floating systems. This is motivated by the requirement for estimates of response statistics for systems on nonlinear moorings. Results are given for a linear system for which experimental data are available (an articulated column model); and for a moored barge on mildly and strongly nonlinear moorings. Estimates are obtained for low-frequency spectra, linear and quadratic transfer functions, response probability distributions, and peak distributions.

Copyright © 1987 by ASME
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