Buckling of thin cylindrical shell stiffened by rings of T-shaped cross-section

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Abstract

The buckling under the uniform external pressure of a thin elastic circular cylindrical shell stiffened by the rings of the T-shaped cross-sections is analyzed. The narrow rings are considered as circular beams. The wide rings are treated as annular plates stiffened at one edge by a circular beam. In the both cases problem is reduced to solution of the eigenvalue problem for systems of linear differential equations containing a small parameter. By means of asymptotic approaches approximate formulas for the critical pressure are obtained. The optimal parameters corresponding to the maximal critical pressure of the ring-stiffened shell with a given mass are evaluated.

Original languageEnglish
Title of host publicationCOMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings
EditorsManolis Papadrakakis, Michalis Fragiadakis
PublisherNational Technical University of Athens (NTUA)
Pages3582-3592
Number of pages11
ISBN (Electronic)9786188284470
DOIs
StatePublished - 1 Jan 2019
Event7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2019 - Crete, Greece, Hersonissos, Greece
Duration: 24 Jun 201926 Jun 2019
Conference number: 7th
https://2019.compdyn.org

Publication series

NameCOMPDYN Proceedings
Volume2
ISSN (Print)2623-3347

Conference

Conference7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2019
Abbreviated title COMPDYN 2019
CountryGreece
CityHersonissos
Period24/06/1926/06/19
Internet address

Scopus subject areas

  • Computers in Earth Sciences
  • Geotechnical Engineering and Engineering Geology
  • Computational Mathematics
  • Civil and Structural Engineering

Keywords

  • Asymptotic methods
  • Buckling
  • Eigenvalue problem
  • Ring-stiffened shell
  • T-shaped ring cross-section

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