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Publicações
Kharghani, N. and Guedes Soares, C. (2020), “Experimental, numerical and analytical study of buckling of rectangular composite laminates”, European Journal of Mechanics / A Solids, Vol. 79, pp. 103869-1 - 103869-15
An efficient analytical solution is proposed in order to predict the flexural behaviour and the ultimate strength of composite laminates containing delamination. For this purpose, Layerwise Higher order Shear Deformation Theory (LHSDT) based on polynomial shape functions using RayleighRitz approximation technique are utilized. The ultimate strength and initial stages of propagation of the delaminated zone are determined using fracture analysis. The results demonstrate continuous functions to calculate in-plane and out-of-plane displacements, rotations, strains, stresses, energy and load carrying capacity in bending conditions. Moreover, a significant experimental investigation has been carried out for the specimens with various geometries and delamination type. The experimental study includes fabrication process, tensile tests to determine material properties and three-point bending test of the defected specimens.
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