Control of Ship capsize in stern quartering seas.
White, Anthony S., Gleeson, P T and Karamanoglu, Mehmet 
ORCID: https://orcid.org/0000-0002-5049-2993
(2007)
Control of Ship capsize in stern quartering seas.
International Journal of Simulation Systems, Science & Technology., 8
(2)
.
pp. 20-31.
ISSN 1473-804X
[Article]
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Abstract
A non-linear mathematical model for the roll-yaw behaviour of a ship is used to predict capsize of a small
tanker which sank in the North Sea some years ago. This capsize problem was initially simulated on an analogue
computer by the Danish Maritime Authorities as well as being tank tested. The problem was simulated using the
digital package SIMULINK, which produced comparable results indicating instability in waves of just less than 3 m
in height. Validation of the results is attempted and a discussion of possible improvements to the model is given.
Simulated responses of the tanker with simple hydrodynamic fin stabilisers show that capsize could have been
prevented by this means in waves up to 7 m in height. Active PID control using a simple full span elevon is used to show a factor of ten reduction in roll angle to much greater waves. This work is of use to ship designers illustrating that stability can be enhanced for a fraction of the cost of major redesign of the ship hull and can be tailored to load conditions.
| Item Type: | Article |
|---|---|
| Additional Information: | Special Issue on: Models and Applications in Engineering and Technology. |
| Research Areas: | A. > School of Science and Technology > Design Engineering and Mathematics |
| Item ID: | 4392 |
| Useful Links: | |
| Depositing User: | Devika Mohan |
| Date Deposited: | 05 Mar 2010 06:06 |
| Last Modified: | 30 Nov 2022 01:57 |
| URI: | https://eprints.mdx.ac.uk/id/eprint/4392 |
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