Abstract
Transient response of a multilayered laminated plate has been studied in this paper. The objective of this study is to analyze the effect of layering on the response of the laminated plate in both time and frequency domains to a line source on the surface of the plate. For simplicity of analysis, attention has been focused on the two-dimensional (plane strain) motion. It is shown that for a cross-ply plate when the number of plies is small the response of the plate is quite different than that of an equivalent homogeneous plate. For short pulses the response is fairly complicated due to the reflections from the interfaces between the plies. Dispersion of waves in the plate is also analyzed. It is found that the homogenized model predictions for the low-order modes agree with those of the layered model. However, they diverge when high-order modes are considered. This is consistent with the transient response comparisons
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