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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Hull girder failure of a container ship and of a bulk carrier under combined global and local loads

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Stykuc, Patryk ULiège
Promotor(s) : Kaeding, Patrick
Date of defense : 2013 • Permalink : http://hdl.handle.net/2268.2/6129
Details
Title : Hull girder failure of a container ship and of a bulk carrier under combined global and local loads
Author : Stykuc, Patryk ULiège
Date of defense  : 2013
Advisor(s) : Kaeding, Patrick 
Committee's member(s) : Rigo, Philippe ULiège
Language : English
Number of pages : 115
Discipline(s) : Engineering, computing & technology > Civil engineering
Target public : Researchers
Professionals of domain
Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master de spécialisation en construction navale
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] Nowadays, the ships strength can be very well estimated using developed methods and
available tools. To ensure the safety of construction is reached the classification society rules
should be followed. To estimate hull ultimate bending capacity by means of ultimate bending
moment Smith’s method is used. Although it is well working it was formulated in the
seventies of the twentieth century and nowadays the bigger accuracy would be desired. This
work is an analysis of ultimate bending moment using advanced modeling tools. The models
of a bulk carrier and of a container vessel will be built in Ansys Workbench program. Two
midship part of two hulls will be modeled respecting all scantlings of constructions members.
The crucial part of the hull will show fined mesh to achieve the desired level of accuracy.
Ship’s loading will include hogging bending moment as well as local loads from water
pressure and cargo loading condition. The influence of the initial imperfections on the results
also will be checked. The progressive collapse analysis will be performed using LS-Dyna
solver. Obtained results will be compared with results from Germanischer Lloyd program
Poseidon which uses Smith’s method. The comparison could give a better insight in the safety
margin used in estimating hull girder bending capacity to ensure its safety.


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  • Stykuc, Patryk ULiège Université de Liège - ULiège >

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  • Total number of views 30
  • Total number of downloads 137










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