Effect of strain hardening modulus on buckling of elastic-plastic cylindrical shells, due to the axial impact

Authors

1 PhD Student, Department of Mechanical Engineering, Rasht Univeristy

2 Professor, Department of Mechanical Engineering, Islamic Azad University of Bandar Anzali Branch

3 Professor, Department of Mechanical Engineering, University of Guilan

4 Associate professor, Department of Mechanical Engineering, University of Guilan

5 PhD. Student, Department of Mechanical Engineering, University of Guilan

Abstract

The effect of strain hardening modulus on axisymmetric buckling of circular cylindrical shells made of aluminum and steel materials is investigated, so the nonlinear dynamic equations of cylindrical shells with different strain hardening modulus for cylindrical shells made of aluminum material and different linear and multi-linear strain hardening modulus for cylindrical shells made of steel material are solved for three types of boundary conditions and two types of loading. It is found that under investigated conditions, changing of strain hardening modulus for cylindrical shells made of aluminum and steel materials transmit the buckling shape from plastic buckling to progressive buckling.

Keywords

References

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Iranian Journal of Mechanical Engineering Transactions of ISME
Volume 18, Issue 1 - Serial Number 42
System Dynamics and Solid Mechanics
June 2016
Pages 91-114

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History

  • Receive Date: 02 May 2015
  • Revise Date: 17 October 2015
  • Accept Date: 16 November 2015

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