Abstract
The free vibration, bending, and transient responses of laminated composite plates have been investigated with delamination in this present study. The laminated, composite, shear deformable plate has been modeled mathematically using two higher-order shear deformation theories in conjunction with finite element steps. The final form of the governing equations of the bending and the free vibration responses are obtained using the variational method and the classical Hamilton’s principle, respectively. In addition, the transient responses are computed using Newmark’s time integration scheme for the discrete coupled second-order ordinary differential equation system of the dynamic equilibrium. The desired free vibration, bending, and transient responses are computed numerically using a homemade computer code developed in the MATLAB environment and compared with those available published numerical and analytical results. Finally, the importance of the developed higher-order models has been studied by analyzing the responses for different structural design parameters and discussed in detail.
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