Abstract
In this paper, a dynamic study is carried out for a new laminated glass plate which contains two elastic skins, a viscoelastic core and two adhesives films supposed to be ultra-thin layers; and which can be used for the assembly of the laminated structure. In this case, the coupling between all layers is modelled by taking into account the interfacial shear stresses. Hence, by mixing the Kirchhoff and Mindlin plate’s theories respectively for the two skins and the viscoelastic core with a dynamic behaviour rule for the two ultra-thin films, the displacement field in the laminate can be derived. Here, the finite element method is used for discretizing the laminate energy functional allow obtaining a complex dynamic equation. Also, the dynamic modal recombination method is adopted for calculating the vibratory responses of the studied structure. Then, the aim of this work is to determine the effect of the interfacial shear stress on the dynamic behaviour of the laminated plate.
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