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Ultimate Strength Analysis of Double Bottom Structure by "Idealized Structural Unit Method"(Welding Mechanics, Strength & Design)

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Abstract

In a previous paper, two of the authors have developed an effective method for the ultimate strength analysis of large size structures. The method is named as "Idealized Structural Unit Method". In the method, a large size element with idealized nonlinear character was necessary and an example element, "Girder Element", was developed. In this paper, this method is applied to double bottom structures. The state of two-dimensional stress in inner bottom and the bottom shell plating is considered. Conditions for buckling of these plates are established and its postbuckling stiffness is determined. The condition for their ultimate strength and stiffness at the ultimate strength state are determined in connection with the girder element. An example structure is analysed and the results of the analysis are presented.

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Details

  • CRID
    1571980077208549376
  • NII Article ID
    110006484686
  • NII Book ID
    AA00867058
  • ISSN
    03874508
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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