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All Journal Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Mansor, N. Aqilah
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Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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CFD Analysis of Unsteady Yaw Motion of A Towed Ship Fitriadhy, A.; Mansor, N. Aqilah; Aldin, N. Adlina
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 49 No 1 (2017): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1219.849 KB) | DOI: 10.36842/jomase.v49i1.167

Abstract

Instability of a towed ship presented in the form of her unstable yaw motion may lead to serious accident especially at the restricted waterways such as colliding with other ships or onshore structures. To stabilize this unsteady yaw motion, a comprehensive investigation is then required to ensure a safety of ship's towing navigation. This paper presents a computational fluid dynamic (CFD) approach to analyse yaw motion characteristics of a towed ship incorporated with an asymmetrical bridle towline model. Several towing parameters such as towing's angles and speeds have taken into account. Here, a towed ship or barge in then called as 1B is employed in this simulation. The results revealed that the subsequent increase of towing's angle dealt with a better yaw motion of 1B indicated by sufficient reduction of her sway motion associated with more steady yaw motion of a towed ship.
Co-Authors Aldin, N. Adlina Fitriadhy, A.