Abstract
In this paper, the implications played by sliding imperfections on the static response, buckling and free vibration behavior and on the frequency-load-temperature interaction of simply-supported laminated plates in cylindrical bending are investigated and pertinent conclusions outlined. To this end, a recently developed theory for multilayered beam-plates with slightly weakened interfaces, which fulfils (i) the shear traction continuity requirements at the interfaces, (ii) the free-shear condition at the upper and lower surfaces and (iii) incorporates the effect of imperfect bonding by featuring the presence of interlayer jumps of tangential displacements, is used. Within this framework, a number of numerical results by a closed-form approach, relative to symmetric and unsymmetric lamination schemes and various length-to-thickness ratios are supplied which illustrates the effects of the interfacial weakness. The obtained results reveal the detrimental effects induced by the bonding flaws upon eigenfrequencies, which appear the most sensitive, buckling loads and deflections.
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