Please use this identifier to cite or link to this item: https://doi.org/10.1115/1.1576818
Title: Polynomial approximations of wave loading and superharmonic responses of fixed structures
Authors: Liaw, C.Y. 
Zheng, X.Y. 
Issue Date: Aug-2003
Citation: Liaw, C.Y., Zheng, X.Y. (2003-08). Polynomial approximations of wave loading and superharmonic responses of fixed structures. Journal of Offshore Mechanics and Arctic Engineering 125 (3) : 161-167. ScholarBank@NUS Repository. https://doi.org/10.1115/1.1576818
Abstract: Besides the commonly considered drag force, inundation due to variable water surface is another important nonlinear effect of wave loading. Quadratic and quartic approximations of the inundation drag force are derived using the least squares method. Other nonlinear effects, including the second-order wave kinematics and nonlinear inertia wave forces, are also considered. Superharmonic forces and the corresponding structural responses due to different nonlinear effects are compared using a single mode representation of the fixed offshore structural system. The appropriate expressions that can serve as the basis for the Volterra series representation of the nonlinear wave forces are presented.
Source Title: Journal of Offshore Mechanics and Arctic Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/66006
ISSN: 08927219
DOI: 10.1115/1.1576818
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