Abstract
An analytical model is developed to predict the effect of an axisymmetric delamination in a layered anisotropic cylinder under different loading conditions. Thin shell assumptions are incorporated into classical laminated shell theory to facilitate the use of the simplified Donnell equations for shell displacements. The critical loading condition under which the debond tends to propagate is predicted based on Griffith's energy balance criterion. A closed-form solution for a simplified model is shown to form the basis for the realistic problem. The effects of the individual ply thicknesses, the crack front curvature, and the axial and shear strains of the laminate reference plane are studied.
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