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In the presented study, maximum amplitude, frequency, and low-velocity impact characteristics of the angle-ply laminated curved panel under external excitation is presented. Hertz contact theory is used for modeling the contact force between the impactor and angle-ply laminated curved panel. Hamilton’s principle, and first-order shear deformation theory (FSDT) are presented for obtaining the governing equations of the angle-ply laminated curved panel, and impactor. For solving the time-dependent governing equations of the angle-ply laminated curved panel, and impactor, coupled Galerking, and Newmark methods is presented. In the first part of the results, the influence of viscoelastic parameters, young module ratio, the pattern of laminated layers, and other geometry of the angle-ply laminated curved panel on the free vibration characteristics of the current model under low-velocity impact are investigated. In the second one, the influence of density of impactor and young module ratio of the angle-ply laminated curved panel on the indentation, contact force, and indenter velocity are investigated in detail.

Maximum amplitude, quasi-static indentation, and frequency information of the angle-ply laminated curved panel subjected to low-velocity impact