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primary topic: A study on motion responses of classic spar platforms subjected to short crested waves

A study on motion responses of classic spar platforms subjected to short crested waves
type: AcademicArticle
type: Article
abstract: The wind generated seastate in the real sea condition is well represented by the short crested waves or the multi-directional waves. The short crested waves are identified as the linear summation of the randomly generatedlong crested waves that propagate to different directions. In this paper, experimental and numerical studies on the dynamic responses of the classic spar platforms subjected toshort crested waves are presented. The experimental study was performed in the Offshore Laboratory of Universiti Teknologi PETRONAS. In the study, the classic spar model was restrained by four mooring lines and subjected to short crested waves. A MATLAB code was developed to analyze the dynamic responses of the classic spar. The classic spar was modeled as a rigid body with three degrees of freedom in surge, heave and pitch motions. In each time step of the analysis, the mass, damping and stiffness matrices were computed. Newmark Beta method was employed to solve the dynamic equations of motion. Response amplitude operators (RAO) were estimated and compared with the measurements. The results compared well. © 2013 IEEE.
date: 2013
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

BEIAC 2013 - 2013 IEEE Business Engineering and Industrial Applications Colloquium
type: Collection

M.S. Liew
type: Person
given name: M.S.
family name: Liew

V.J. Kurian
type: Person
given name: V.J.
family name: Kurian

C.Y. Ng
type: Person
given name: C.Y.
family name: Ng

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primary topic: A study on motion responses of classic spar platforms subjected to short crested waves