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Investigation on Buckling Behavior of Tubular Shells with Circular Cutout, Subjected to Combined Loading

Author Affiliations

  • 1Mechanical Department, Shahrood University of Technology, Shahrood, IRAN
  • 2 Mechanical Department, Semnan University, Semnan, IRAN
  • 3 Mechanical Department, Semnan Branch, Islamic Azad University, Semnan, IRAN

Res. J. Recent Sci., Volume 1, Issue (7), Pages 68-76, July,2 (2012)


Within this contribution, buckling of tubular steel shells with circular cutout will be analyzed. The experimental results will be compared by FEM simulation results within circular cutouts of the specimen. The experimental buckling tests have been conducted using a Servo-hydraulic machine (Instron 8802). Considering the broad application range of tubular thin-walled shells, prediction of the behavior of these elements in combined loading case (especially for buckling behavior) has gained a great level of importance. In this study, the influence of shell length, shell diameter, shell angle and diameter of circular cutouts on the predicted buckling values for the tubular shell has been explored. Numerical simulations of tubular shell subjected to combined loading were conducted. The analytical solutions show excellent agreement with the numerical results predicted by FEM.


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