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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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A comparative study between diffraction analysis softwares and measured motions

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Ei Phyu Sin Mon ULiège
Promotor(s) : Baert, Benjamin
Date of defense : 16-Sep-2021 • Permalink : http://hdl.handle.net/2268.2/13266
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Title : A comparative study between diffraction analysis softwares and measured motions
Author : Ei Phyu Sin Mon ULiège
Date of defense  : 16-Sep-2021
Advisor(s) : Baert, Benjamin 
Committee's member(s) : Le Touzé, David 
Ducrozet, Guillaume 
Language : English
Number of pages : 60
Keywords : [en] Diffraction Softwares, Seakeeping, Wave Structure Interaction, Motion Analysis
Discipline(s) : Engineering, computing & technology > Mechanical engineering
Target public : Researchers
Professionals of domain
Student
General public
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master : ingénieur civil mécanicien, à finalité spécialisée en "Advanced Ship Design"
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] Diffraction analysis is important in the preparation of offshore operations to assess the vessel
behaviour which impacts the workability and the integrity of the components to be installed (wind
turbine, topside or foundation). The student will familiarize himself with diffraction analysis starting
from creating the mesh, then producing the RAO’s and eventually calculating motions and
accelerations in different sea states. Description of the sea state as a spectrum beyond the
commonly used JONSWAP will be an important part of the understanding of the calculated response.
The diffraction analysis will be carried out in two software packages.
 The calculated motions will be compared with measured motions. Besides the comparison itself the
student is expected to grasp the different aspects of collecting the full scale measurements and the
potential use in engineering models and in real-time on board of the vessel. This is Big Data in
practice, whereby method and framework are as important as the obtained results


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Author

  • Ei Phyu Sin Mon ULiège Université de Liège > Master ing. civ. méc. (EMSHIP+)

Promotor(s)

Committee's member(s)

  • Le Touzé, David ECN
  • Ducrozet, Guillaume
  • Total number of views 40
  • Total number of downloads 401










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