TITLE

THE INFLUENCE OF PARAMETRIC ROLLING ON PORT - CONTAINER'S SHIP STABILITY

AUTHOR(S)
ELENA, VARSAMI ANASTASIA; CORINA, POPESCU
PUB. DATE
January 2009
SOURCE
Analele Universitatii Maritime Constanta;2009, Vol. 10 Issue 12, p153
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Building port container ships has known during the past few years the fastest development in the shipping world. The tendency to build very large port container ships, capable of carrying thousands of containers in complete safety, has led to modifications in the hull's geometry and construction and to the correlation of different fineness coefficients. The vessels that deploy high cruise speeds, for example ferryboats, Ro-Ro ships, port containers, passenger ships, have a relatively small block coefficient which gives a slight different shape to the ship's hull, different from the classic one that can be found at bulk carriers or at tankers. The asymmetry of the ship's hull induces the parametric rolling which in special conditions can affect the ship's stability by producing a severe rolling. Rolling appears under the influence of waves, especially the ones coming from amidships and it is amplified by the quick variation of the GM (metacentric height) which has enough energy to supply the initial half of the rolling. This paper is trying to show the influence of the parametric rolling on the ship's stability, especially on a port container ship in different floating conditions and with different actions of the external factors.
ACCESSION #
59342423

 

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