Spectral Response Surfaces and the Ringing Response of Offshore Structures

I. K. Suastika
Journal article Makara Journal of Technology • November 2008

Abstract

A method, called spectral response surface method, is proposed for the study of the ringing phenomenon of offshorestructures. Newman’s results for diffraction force on a column were reformulated in terms of the frequency componentsof the ocean surface and their Hilbert transforms. Using a first-order reliability method together with a dynamic modelfor the structural response, it is straightforward to calculate the ocean surface history most likely to generate an extremeringing response and the ringing response history.

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Makara Journal of Technology

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