Evaluation of structural design of ultra large container vessel

Vladimir, Nikola and Malenica, Šime and Senjanović, Ivo and De Lauzon, Jérôme and Im, Hong-Il and Cho, Dae Seung (2017) Evaluation of structural design of ultra large container vessel. = Evaluation of structural design of ultra large container vessel. Rad Hrvatske akademije znanosti i umjetnosti. Tehničke znanosti, 531 (18). pp. 27-47. ISSN 1330-0822. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 6.

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Official URL: http://bib.irb.hr/prikazi-rad?&rad=892632

Abstract

The trend in modern sea transportation is building of ever larger container vessels, which require application of different numerical tools according to the relevant methodologies, in order to achieve their reliable structural design. The aim of this paper is to review direct strength assessment procedure based on long-term hydro- structure calculations including whipping and springing. As illustrative example, ultra large container ship with a capacity of 19000 TEU is selected and her structural design is evaluated both for fatigue and extreme response, respectively. Mathematical model is based on coupling of the 3D potential flow hydrodynamic model with the 3D FEM structural model. The general hydro-structure code HOMER, developed in Classification Society Bureau Veritas (BV) is used. Stress RAOs of selected structural details are obtained for full scatted diagram by the top- down procedure, and further used to assess their fatigue lives. Linear long term analysis is performed to define most contributing sea state to the vertical bending moment (VMB). Whipping response is computed on so called increased design sea state in time domain. Ultimate bending capacity was determined by nonlinear finite element analysis. Finally, extreme VBM is determined, and ultimate strength check according to the BV Rule Note NR583 was done.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): container ship ; direct calculations ; hydroelasticity ; fatigue ; extreme response ; frequency domain ; time domain
Subjects: TECHNICAL SCIENCE > Shipbuilding
Divisions: 600 Department of Naval Engineering and Marine Technology > 620 Chair of Marine Structures Design
600 Department of Naval Engineering and Marine Technology > 650 Chair of Marine Machinery and System Design
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 06 Nov 2017 15:10
Last Modified: 06 Nov 2017 15:10
URI: http://repozitorij.fsb.hr/id/eprint/8097

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