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Random design variables and sensitivity factors applicable to ship structures considering combined bending moments.

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Název: Random design variables and sensitivity factors applicable to ship structures considering combined bending moments.
Autoři: Khan, I. A.1, Das, P. K.1 p.k.das@na-me.ac.uk
Zdroj: Proceedings of the Institution of Mechanical Engineers -- Part M -- Journal of Engineering for the Maritime Environment (Professional Engineering Publishing). Aug2008, Vol. 222 Issue 3, p133-143. 11p. 2 Diagrams, 9 Charts, 6 Graphs.
Témata: Naval architecture, Ships, Reliability in engineering, Bending (Metalwork), Sensitivity theory (Mathematics), Structural design, Engineering design, Strains & stresses (Mechanics), Probability theory
Abstrakt: Sensitivity analysis enables the designers to determine the most important random variable responsible for the failure of ship structures. Vertical bending is the most important to assess the strength of a ship, but horizontal bending moment also plays a pivotal role in the safety assessment of ship structures. The method for the reliability analysis taking account of the combined bending moment is presented. The interaction equation between the vertical and horizontal bending moments has been derived using Smith's method, and the limit state function for the reliability analysis has been modelled from the interaction equation. The wave loads are calculated using an International Association of Classification Societies (IACS) rule. The study shows the importance of the contribution of the design variables towards the uncertainty of the limit state function and the advantages for using the sensitivity factors for safety assessment of ship structures. [ABSTRACT FROM AUTHOR]
Databáze: Supplemental Index
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Header DbId: edo
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PubType: Academic Journal
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  Data: Random design variables and sensitivity factors applicable to ship structures considering combined bending moments.
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  Data: <searchLink fieldCode="AR" term="%22Khan%2C+I%2E+A%2E%22">Khan, I. A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Das%2C+P%2E+K%2E%22">Das, P. K.</searchLink><relatesTo>1</relatesTo><i> p.k.das@na-me.ac.uk</i>
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  Data: <searchLink fieldCode="JN" term="%22Proceedings+of+the+Institution+of+Mechanical+Engineers+--+Part+M+--+Journal+of+Engineering+for+the+Maritime+Environment+%28Professional+Engineering+Publishing%29%22">Proceedings of the Institution of Mechanical Engineers -- Part M -- Journal of Engineering for the Maritime Environment (Professional Engineering Publishing)</searchLink>. Aug2008, Vol. 222 Issue 3, p133-143. 11p. 2 Diagrams, 9 Charts, 6 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Naval+architecture%22">Naval architecture</searchLink><br /><searchLink fieldCode="DE" term="%22Ships%22">Ships</searchLink><br /><searchLink fieldCode="DE" term="%22Reliability+in+engineering%22">Reliability in engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Bending+%28Metalwork%29%22">Bending (Metalwork)</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+theory+%28Mathematics%29%22">Sensitivity theory (Mathematics)</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+design%22">Structural design</searchLink><br /><searchLink fieldCode="DE" term="%22Engineering+design%22">Engineering design</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Probability+theory%22">Probability theory</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sensitivity analysis enables the designers to determine the most important random variable responsible for the failure of ship structures. Vertical bending is the most important to assess the strength of a ship, but horizontal bending moment also plays a pivotal role in the safety assessment of ship structures. The method for the reliability analysis taking account of the combined bending moment is presented. The interaction equation between the vertical and horizontal bending moments has been derived using Smith's method, and the limit state function for the reliability analysis has been modelled from the interaction equation. The wave loads are calculated using an International Association of Classification Societies (IACS) rule. The study shows the importance of the contribution of the design variables towards the uncertainty of the limit state function and the advantages for using the sensitivity factors for safety assessment of ship structures. [ABSTRACT FROM AUTHOR]
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        Value: 10.1243/14750902JEME103
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 133
    Subjects:
      – SubjectFull: Naval architecture
        Type: general
      – SubjectFull: Ships
        Type: general
      – SubjectFull: Reliability in engineering
        Type: general
      – SubjectFull: Bending (Metalwork)
        Type: general
      – SubjectFull: Sensitivity theory (Mathematics)
        Type: general
      – SubjectFull: Structural design
        Type: general
      – SubjectFull: Engineering design
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
        Type: general
      – SubjectFull: Probability theory
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      – TitleFull: Random design variables and sensitivity factors applicable to ship structures considering combined bending moments.
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            NameFull: Khan, I. A.
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            NameFull: Das, P. K.
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              M: 08
              Text: Aug2008
              Type: published
              Y: 2008
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              Value: 222
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            – TitleFull: Proceedings of the Institution of Mechanical Engineers -- Part M -- Journal of Engineering for the Maritime Environment (Professional Engineering Publishing)
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