Abstract
Early studies of delamination buckling in compressively loaded circular plates have been concerned with thin-film and midplane modelling of single delaminations using both linear or nonlinear equations. This paper explores intermediate cases in which the delaminated areas is located between a near surface and midplane condition. The behaviour of the entire plate structure is modelled using nonlinear equations. A numerical integration technique involving the fourth-order Runge-Kutta formula is employed to obtain solutions for the critical buckling load and postbuckling deflections for clamped conditions. These are shown to be dependent upon delamination size and location.
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