Truss Spar Platform Motions for Combined Wave, Current and Wind Forces

Truss spar platform is the second development concept that replaces the cylindrical lower section of a classic spar with an open truss structure that includes heave plates. In this paper, the dynamic responses of the Marlin truss spar in regular waves, current and wind are presented. A MATLAB c...

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Main Authors: V. J. , Kurian, O. A. , Montasir
Format: Conference or Workshop Item
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.10590 /
Published: 2012
Subjects:
VM Naval architecture. Shipbuilding. Marine engineering
Online Access: http://eprints.utp.edu.my/10590/1/BEIAC2012-Montaser-Final.pdf
http://eprints.utp.edu.my/10590/
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spelling utp-eprints.105902017-03-20T01:59:31Z Truss Spar Platform Motions for Combined Wave, Current and Wind Forces V. J. , Kurian O. A. , Montasir VM Naval architecture. Shipbuilding. Marine engineering Truss spar platform is the second development concept that replaces the cylindrical lower section of a classic spar with an open truss structure that includes heave plates. In this paper, the dynamic responses of the Marlin truss spar in regular waves, current and wind are presented. A MATLAB code named TRSPAR was developed for the dynamic analysis of the structure. The structure was modeled as a rigid body with three degrees of freedom. The hyperbolic extrapolation and the extended Morison equation for an inclined cylinder were used for simulating the sea state and for determining the dynamic force vector. Time domain integration using Newmark Beta method was employed. The simulated results show insignificant effect of current and wind on the responses. However, these forces cause significant increase in the surge mean offset. 2012-04-07 Conference or Workshop Item PeerReviewed application/pdf http://eprints.utp.edu.my/10590/1/BEIAC2012-Montaser-Final.pdf V. J. , Kurian and O. A. , Montasir (2012) Truss Spar Platform Motions for Combined Wave, Current and Wind Forces. In: BUSINESS, ENGINEERING & INDUSTRIAL APPLICATIONS COLLOQUIUM., 7-8 April 2012, Kuala Lumpur. http://eprints.utp.edu.my/10590/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
topic VM Naval architecture. Shipbuilding. Marine engineering
spellingShingle VM Naval architecture. Shipbuilding. Marine engineering
V. J. , Kurian
O. A. , Montasir
Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
description Truss spar platform is the second development concept that replaces the cylindrical lower section of a classic spar with an open truss structure that includes heave plates. In this paper, the dynamic responses of the Marlin truss spar in regular waves, current and wind are presented. A MATLAB code named TRSPAR was developed for the dynamic analysis of the structure. The structure was modeled as a rigid body with three degrees of freedom. The hyperbolic extrapolation and the extended Morison equation for an inclined cylinder were used for simulating the sea state and for determining the dynamic force vector. Time domain integration using Newmark Beta method was employed. The simulated results show insignificant effect of current and wind on the responses. However, these forces cause significant increase in the surge mean offset.
format Conference or Workshop Item
author V. J. , Kurian
O. A. , Montasir
author_sort V. J. , Kurian
title Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
title_short Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
title_full Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
title_fullStr Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
title_full_unstemmed Truss Spar Platform Motions for Combined Wave, Current and Wind Forces
title_sort truss spar platform motions for combined wave, current and wind forces
publishDate 2012
url http://eprints.utp.edu.my/10590/1/BEIAC2012-Montaser-Final.pdf
http://eprints.utp.edu.my/10590/
_version_ 1741196125380018176
score 11.62408

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