Abstract

Both symmetric and anti-symmetric post-buckling of the notched tension sheets are modelled using the spline finite strip method to study the nonlinear effects of the post-buckling state on stress and displacement fields. Nonlinear elastic fracture mechanics is introduced to consider the effect of post-buckling state on the fracture behaviour and new stress intensity correction factors are defined for the buckled notched sheets. Finally, analytical approaches were provided to evaluate the fracture capacity and the fatigue life of the notched sheets in the presence of buckling. The remarked outcomes were verified by the existing analytical, numerical and experimental results.

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