Stochastic Response Analysis of Deepwater Structures in Short-Crested Random Seas

[+] Author and Article Information
P. Teigen

Statoil Research Center, Postuttak, N-7005 Trondheim, Norway

A. Naess

Department of Structural Engineering, Norwegian University of Science and Technology, R. Birkelands vei 1a, N-7491 Trondheim, Norway

J. Offshore Mech. Arct. Eng 121(3), 181-186 (Aug 01, 1999) (6 pages) doi:10.1115/1.2829563 History: Received April 16, 1998; Revised February 02, 1999; Online December 17, 2007


The paper discusses the problem of estimating the response statistics of moored large-volume offshore structures subjected to short-crested random waves. A general second-order theory is described that makes it possible to carry out the entire analysis in the frequency domain, which is computationally more efficient than time domain analysis, which generally requires considerably more CPU time to reach the same level of accuracy.

Copyright © 1999 by The American Society of Mechanical Engineers
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