Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Investigation of the parameters affecting the buckling of the stiffened cylindrical shells under axial load

Authors
Mohammad Salari 1
Hossein Mahinabad 2
1 Mechanical Eng.,University of Qom,Qom
2 Mechanical Eng., University of Qom,Qom
10.30506/ijmep.2020.114529.1633
Abstract
In this study, some parameters affecting the buckling load of stiffened cylindrical shells are
investigated. These parameters include the type of connection stiffeners to the shell (welding
or glue and rivet), the number, thickness and shape of the cross-sectional area of the longitudinal
and circumferential stiffeners, the shell thickness, the shape and the imperfection ratio and size
of the cutout created in the shell. For this purpose, both analytical and numerical methods have
been used. In the analytical method, the energy method is used and in the numerical method,
Abacus software is used. In this study, in addition to previous works, on how to attach stiffeners
to the shell, the effect of imperfection ratio of elliptic and rectangular cutout and also the effect
of some parameters related to longitudinal and circumferential stiffeners such as the effect of
cross section shape and their number on the buckling load have been investigated separately.
Keywords
Buckling
Stiffened cylindrical shells
Energy method
cutout
Longitudinal and circumferential stiffeners

Subjects

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  • Receive Date 21 September 2019
  • Revise Date 08 December 2019
  • Accept Date 10 November 2020