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Journal of Marine Science and Application[ISSN:1002-2848/CN:61-1400/f]

卷:

期数:

2016年1

页码:

1-7

栏目:

出版日期:

2016-03-25

Info

Title:

Resistance and Seakeeping Numerical Performance Analyses of a Semi-Small Waterplane Area Twin Hullat Medium to High Speeds

Author(s):

Giuliano Vernengo;  Dario Bruzzone

Affilations:

Author(s):

Giuliano Vernengo;  Dario Bruzzone

Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department(DITEN), University of Genoa, Genoa 16145, Italy

Keywords:

waterplane area twin hull(SWATH); semi-SWATH; ship resistance; seakeeping; response amplitude operators; boundary element method; rankine source distribution

分类号:

-

DOI:

10.1007/s11804-016-1343-0

Abstract:

The hydrodynamic analysis of a new semi-small waterplane area twin hull(SWATH) suitable for various applicationssuch as small and medium size passenger ferries is presented. This may be an attractive crossover configuration resulting from the merging of two classical shapes:a conventional SWATH and a fast catamaran. The final hull design exhibits a wedge-like waterline shapewith the maximum beam at the stern;the hullends with a very narrow entrance angle, has a prominent bulbous bow typical of SWATH vessels, and features full stern to arrange waterjet propellers. Our analysis aims to perform a preliminary assessment of the hydrodynamic performance of a hull with such a complex shapeboth in terms of resistanceof the hull in calm water and seakeeping capability in regular head waves and compare the performancewith that of a conventional SWATH. The analysis is performed usinga boundary element method that waspreliminarily validated on a conventional SWATH vessel.

References:

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Memo

Memo:

Received date: 2015-10-08;Accepted date: 2015-12-08。
Corresponding author: Giuliano Vernengo, E-mail:gverneng@mit.edu

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Last Update: 2016-07-06