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The steering and course keeping qualities of high-speed craft and the inception of dynamic instabilities in the following sea

Citation

Bonci, M and De Jong, P and Van Walree, F and Renilson, MR and Huijsmans, RHM, The steering and course keeping qualities of high-speed craft and the inception of dynamic instabilities in the following sea, Ocean Engineering: An International Journal of Research and Development, 195, (2019) Article 106636. ISSN 0029-8018 (2019) [Refereed Article]


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DOI: doi:10.1016/j.oceaneng.2019.106636

Abstract

Small high-speed craft are the most vulnerable to the severity of the sea: achieving a design which pairs good performance and acceptable levels of safety is not a trivial task. The seakeeping and manoeuvrability of these vessels play a crucial role in following sea conditions: dynamic instabilities, namely broaching-to and surf-riding, are more than a rare eventuality and threaten the survivability of the vessel and the life of the mariners. This study investigates the effects of the steering qualities on the broaching-to behaviour of a high-speed craft when it is sailing in following and stern-quartering waves.

The motions and loads of the vessel are simulated by means of a 3D time domain blended potential flow boundary element method (BEM), validated using captive model tests in regular waves carried out at the Seakeeping and Manoeuvring Basin (SMB) of MARIN. The hull directional stability and turning ability of the high-speed craft were artificially modified, showing that an increase in the directional stability as well as in the effectiveness of the steering can be beneficial to avoid the inception of broaching-to, but they have different consequences on the dynamics of the vessel's loss of control.

Item Details

Item Type:Refereed Article
Keywords:manoeuvrability-in-waves, high-speed craft, broaching-to, following sea, captive model tests, panel method
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Ship and platform structures (incl. maritime hydrodynamics)
Objective Division:Defence
Objective Group:Defence
Objective Field:Maritime
UTAS Author:Renilson, MR (Professor Martin Renilson)
ID Code:151324
Year Published:2019
Web of Science® Times Cited:6
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2022-07-27
Last Modified:2022-07-27
Downloads:0

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