Time Domain Simulation of Jack-up Dynamics With the Extremes of a Gaussian Process

[+] Author and Article Information
P. H. Taylor, P. Jonathan

Shell Research Rijswijk, The Netherlands

L. A. Harland

Technical University of Delft, Delft, The Netherlands

J. Vib. Acoust 119(4), 624-628 (Oct 01, 1997) (5 pages) doi:10.1115/1.2889772 History: Received March 01, 1995; Online February 26, 2008


Random simulations are often used to simulate the statistics of storm-driven waves. Work on Gaussian linear random signals has lead to a method for embedding a large wave into a random sequence in such a way that the composite signal is virtually indistinguishable (in a rigorous statistical limit) from a purely random occurrence of a large wave. We demonstrate that this idea can be used to estimate the extreme response of a jack-up in a severe sea-state in a robust and efficient manner. Results are in good agreement with those obtained from a full random time-domain simulation.

Copyright © 1997 by The American Society of Mechanical Engineers
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