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Static and dynamic comparison of megayacht deck structure's layouts.

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Title: Static and dynamic comparison of megayacht deck structure's layouts.
Authors: Vergassola, Gianmarco1 (AUTHOR), Boote, Dario1 (AUTHOR) dario.boote@unige.it, Ricci, Lisa2 (AUTHOR), Frandoli, Paolo (AUTHOR), Marinò, Alberto (AUTHOR), Bucci, Vittorio (AUTHOR)
Source: International Shipbuilding Progress. 2019, Vol. 66 Issue 1, p91-110. 20p.
Subjects: Finite element method software, Computer science, Structural design
Abstract: The growing increase in length of super and megayachts has driven structural designers to adopt longitudinal layouts as a main point in the structural scantlings. By the way, the optimization of weights, strength, deformations and dynamic behaviour has to be evaluated separately for each new unit because of the particular and unique characteristics of each vessel. For this evaluation, especially for what the dynamic behaviour of ribbed plates is concerned, the use of numerical software based on the Finite Element Method is widely used since the early design stages in order to highlight benefits and weaknesses of a particular structural design. In this paper, two different structural layouts of megayacht decks have been studied and tested by using a FE software: the first one has been created with longitudinal and transversal stiffeners with the same cross section. In the second layout, transversal stiffeners are smaller in dimension but with lower span. The comparison has been carried out making reference to maximum strengths, deformations and dynamic behaviour. This work, starting from an initial lay out obtained by a CS rule approach, made it possible to converge to an optimal structural configuration, at least for what the starting geometries are concerned. [ABSTRACT FROM AUTHOR]
Copyright of International Shipbuilding Progress is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Static and dynamic comparison of megayacht deck structure's layouts.
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  Data: <searchLink fieldCode="JN" term="%22International+Shipbuilding+Progress%22">International Shipbuilding Progress</searchLink>. 2019, Vol. 66 Issue 1, p91-110. 20p.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The growing increase in length of super and megayachts has driven structural designers to adopt longitudinal layouts as a main point in the structural scantlings. By the way, the optimization of weights, strength, deformations and dynamic behaviour has to be evaluated separately for each new unit because of the particular and unique characteristics of each vessel. For this evaluation, especially for what the dynamic behaviour of ribbed plates is concerned, the use of numerical software based on the Finite Element Method is widely used since the early design stages in order to highlight benefits and weaknesses of a particular structural design. In this paper, two different structural layouts of megayacht decks have been studied and tested by using a FE software: the first one has been created with longitudinal and transversal stiffeners with the same cross section. In the second layout, transversal stiffeners are smaller in dimension but with lower span. The comparison has been carried out making reference to maximum strengths, deformations and dynamic behaviour. This work, starting from an initial lay out obtained by a CS rule approach, made it possible to converge to an optimal structural configuration, at least for what the starting geometries are concerned. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of International Shipbuilding Progress is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3233/ISP-180260
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      – Code: eng
        Text: English
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      – SubjectFull: Structural design
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              Text: 2019
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