Abstract
In this paper, force vibration of composite laminate plates subjected to low-velocity impacts are investigated semi-analytically and analytically. Symmetrically angle-ply laminated rectangular, circular and elliptical plates are considered. The simply supported edges boundary condition is considered. Plates were studied based on small deflection thin plate theory. A Hertz Contact Theory models the contact forces between the rigid projectile and the laminated plate. A simple and improved model was developed to calculate force vibration of composite plates. A semi-analytical model was obtained for force vibration of composite laminated plates by the method of Rayleigh-Ritz and modal expansion. Calculations of the impact response in composite material structures are important in damage-tolerant design. The results were compared with the results from the available literature and found to be in good agreement.
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