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Sensitivity analysis on the elastic buckling and ultimate strength of continuous stiffened aluminium plates under combined in-plane compression and lateral pressure
Reza Khedmati, M.; Reza Zareei, M.; Rigo, P. (2009). Sensitivity analysis on the elastic buckling and ultimate strength of continuous stiffened aluminium plates under combined in-plane compression and lateral pressure. Thin-Walled Struct. 47(11): 1232-1245. http://dx.doi.org/10.1016/j.tws.2009.04.010
In: Thin-Walled Structures. Elsevier: London. ISSN 0263-8231; e-ISSN 1879-3223
Peer reviewed article  
Beschikbaar in  Auteurs 
Author keywords
    Buckling load; Ultimate strength; Post-buckling behaviour; Continuous stiffened aluminium panels; Axial compression; Lateral pressure; Heat-affected zone; Finite element method (FEM)
Auteurs  Top 
  • Reza Khedmati, M.
  • Reza Zareei, M.
  • Rigo, P.
Abstract
    In this paper, the results of an investigation into the post-buckling behaviour of high-strength aluminium alloy stiffened plates subjected to combined axial compression load and different magnitudes of lateral pressure using non-linear finite element approach is presented. Both material and geometric non-linearities have been taken into account. The principal variables studied are the plate thickness, boundary conditions and the stiffener geometries beside the geometrical imperfection, the width of the welding heat-affected zone (HAZ) and welding residual stresses. The influence of these variables on the post-buckling behaviour and ultimate strength of such stiffened plates has been investigated in details.
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