Time-domain hydroelastic analysis of a flexible marine structure using state-space models

Taghipour, Reza, Perez, Tristan, & Moan, Torgeir (2008) Time-domain hydroelastic analysis of a flexible marine structure using state-space models. Journal of Offshore Mechanics and Arctic Engineering, 131(1), 011603-1.

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This article deals with time-domain hydroelastic analysis of a marine structure. The convolution terms associated with fluid memory effects are replaced by an alternative state-space representation, the parameters of which are obtained by using realization theory. The mathematical model established is validated by comparison to experimental results of a very flexible barge. Two types of time-domain simulations are performed: dynamic response of the initially inert structure to incident regular waves and transient response of the structure after it is released from a displaced condition in still water. The accuracy and the efficiency of the simulations based on the state-space model representations are compared to those that integrate the convolutions.

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13 citations in Scopus
8 citations in Web of Science®
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ID Code: 70693
Item Type: Journal Article
Refereed: Yes
DOI: 10.1115/1.2979800
ISSN: 0892-7219
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright © 2009 by ASME
Deposited On: 29 Apr 2014 22:47
Last Modified: 21 Jun 2017 02:01

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