Paper Title:
The Effects of Cold Forming and Welding Residual Stress States on the Buckling Resistance of Orthogonally Stiffened Cylinders
  Abstract

The buckling resistance of orthogonally stiffened cylinders is investigated for elastic critical buckling and non-linear elasto-plastic buckling tests. The effects of residual stresses arising from cold forming the cylinder and welding frame components are considered in the analysis of two stiffened cylinder models with similar material weights and different geometric spacings. A static axial load is applied to the models to represent loading from the supported structure followed by a non-linear elasto-plastic buckling step representing a wave loading combined with hydrostatic pressure, producing large displacement compartment buckling. Residual stress is shown to cause a reduction in buckling resistance of approximately 25% in the stiffened cylinder segments.

  Info
Periodical
Edited by
Patrick Sean Keogh
Pages
509-518
DOI
10.4028/www.scientific.net/AMM.5-6.509
Citation
R.F. Lennon, "The Effects of Cold Forming and Welding Residual Stress States on the Buckling Resistance of Orthogonally Stiffened Cylinders", Applied Mechanics and Materials, Vols. 5-6, pp. 509-518, 2006
Online since
October 2006
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