A semi-analytical procedure is presented for predicting free vibration characteristics of composite shells of revolution. The approach considers both transverse shear deformation and the coupling between symmetric and unsymmetric modes in laminated composite shells. Numerical examples are given for the free vibrations of thin cylindrical laminated composite shells and moderately thick symmetric cross-ply and antisymmetric angle-ply laminated composite conical shells. The effects of shear deformation, circumferential wave number, thickness to radius ratio, ply angle and stacking sequence on natural frequency are discussed. [References: 17]
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