Please use this identifier to cite or link to this item: https://doi.org/10.1115/1.1834623
Title: Response spectrum estimation for fixed offshore structures with inundation effect included: A Price's theorem approach
Authors: Zheng, X.Y. 
Liaw, C.Y. 
Keywords: Correlation function
Fourier transform
Inundation
Nonlinear drag
Polynomial approximation
Power spectrum
Price's Theorem
Volterra-Series
Issue Date: Nov-2004
Source: Zheng, X.Y.,Liaw, C.Y. (2004-11). Response spectrum estimation for fixed offshore structures with inundation effect included: A Price's theorem approach. Journal of Offshore Mechanics and Arctic Engineering 126 (4) : 337-345. ScholarBank@NUS Repository. https://doi.org/10.1115/1.1834623
Abstract: Instead of a Volterra-series based method, a method based on Price's theorem and Fourier Transforms is proposed for evaluating the nonlinear response power spectra of fixed offshore structures modeled as finite-memory systems. The numerical computation effort required for spectral estimations using the proposed method is significantly less than that of the Volterra-series method that requires multi-dimensional integrations. Nonlinear frequency-domain analyses of two jack-up platform structures are carried out to study the effects of inundation, cubic and quartic drag terms and polynomialization methods. Copyright © 2004 by ASME.
Source Title: Journal of Offshore Mechanics and Arctic Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/66099
ISSN: 08927219
DOI: 10.1115/1.1834623
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