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Numerical simulation of ship stability for dynamic environment

✍ Scribed by S. Surendran; J. Venkata Ramana Reddy

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
205 KB
Volume
30
Category
Article
ISSN
0029-8018

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✦ Synopsis

The prediction of ship stability during the early stages of design is very important from the point of vessel's safety. Out of the six motions of a ship, the critical motion leading to capsize of a vessel is the rolling motion. In the present study, particular attention is paid to the performance of a ship in beam sea. The linear ship response in waves is evaluated using strip theory. Critical condition in the rolling motion of a ship is when it is subjected to synchronous beam waves. In this paper, a nonlinear approach has been tried to predict the roll response of a vessel. Various representations of damping and restoring terms found in the literature are investigated. A parametric investigation is undertaken to identify the effect of a number of key parameters like wave amplitude, wave frequency, metacentric height, etc.

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