Welcome To UTPedia

We would like to introduce you, the new knowledge repository product called UTPedia. The UTP Electronic and Digital Intellectual Asset. It stores digitized version of thesis, final year project reports and past year examination questions.

Browse content of UTPedia using Year, Subject, Department and Author and Search for required document using Searching facilities included in UTPedia. UTPedia with full text are accessible for all registered users, whereas only the physical information and metadata can be retrieved by public users. UTPedia collaborating and connecting peoples with university’s intellectual works from anywhere.

Disclaimer - Universiti Teknologi PETRONAS shall not be liable for any loss or damage caused by the usage of any information obtained from this web site.Best viewed using Mozilla Firefox 3 or IE 7 with resolution 1024 x 768.

Effect of Mooring Lines on the Responses of Spar Platforms

Mohd Zin, Nur Azimah (2008) Effect of Mooring Lines on the Responses of Spar Platforms. Universiti Teknologi Petronas. (Unpublished)

[img] PDF
Download (4054Kb)


Spar platform, a competitive alternative structure for deepwater oil field development is modelled as a rigid body with six degree -of-freedom, connected to the sea floor by multi-component catenary mooring lines, which are attached to the spar platform at the fairleads. Since this spar platform is quite new in deepwater exploration, a lot of studies and researches still need to be done. Therefore in this project, the different type of spar platforms as well as the dynamic responses of spar platform such as surge, heave and pitch are being analyzed and compared by using comparison method based on its different mooring lines configurations. The mathematical results by using Linear Airy Wave Theory, Pierson-Moskowitz Spectrum, Morison Equation and Motion Response Spectrum have been conducted. The frequency domain analysis and time domain analysis have been performed by choosing frequency within 0.05 - 0.3Hz and time series within 0 - 100 seconds. For Neptnne Spar Platform, the maximum profile obtained were 1.9 - 2m for surge, 0.78m for heave and 0.065radian for pitch. These values are within the permissible limits for offshore operations. Also, parametric studies have been made by using different number of mooring lines. It is shows that there is no significant effect on the surge and heave responses even though the stiffness increases as the number of mooring lines increases.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:24
Last Modified: 30 Sep 2013 16:24
URI: http://utpedia.utp.edu.my/id/eprint/7178

Actions (login required)

View Item View Item

Document Downloads

More statistics for this item...