Berth Operability Estimation Related to Ship Motion

Prpić-Oršić, Jasna and Slapničar, Vedran and Turk, Anton (2014) Berth Operability Estimation Related to Ship Motion. = Berth Operability Estimation Related to Ship Motion. Transactions of FAMENA, 38 (1). pp. 13-24. ISSN 1333-1124. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q4 (2014). Točan broj autora: 3.

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Abstract

The method of exposed berth operability estimation based on moored ship criteria for safe working and mooring is presented. The solution methodology consists of modelling a ship as a panel model used to calculate the hydrodynamic loads and responses from the potential theory. The mooring lines are modelled by ship-to-ground spring elements. The stiffness of those elements is accumulated in the global restoring matrix of the rigid body equations of motion. The obtained system of differential equations is solved by the frequency domain procedure taking explicitly into account the influence of shallow water. The effect of irregular waves is taken into account by an appropriate wave spectrum. The wave scatter diagram and wave direction statistics allow the estimation of the probability and parameters of most severe sea based on long-term statistics. Illustrative applications of the method are given for several ships moored on the outer side of a jetty. The irregular sea is described by the Tabain spectrum. The significant values of the ship ramp displacements and velocities are compared with specific criteria limits.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): ship mooring, ship motion, berth operability
Subjects: TECHNICAL SCIENCE > Shipbuilding
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 600 Department of Naval Engineering and Marine Technology > 630 Chair of Ship Design and Offshore Technology
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Citations JCR: 0 (17.10.2017.)
Quartiles: Q4 (2014)
Citations SCOPUS: 1 (17.10.2017.)
Date Deposited: 02 Dec 2014 13:26
Last Modified: 17 Oct 2017 12:04
URI: http://repozitorij.fsb.hr/id/eprint/3083

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