The propagation of interface waves between two anisotropic (orthotropic) media is examined for various interface mechanical conditions. While perfect bonding yields Stoneley waves with the ad hoc combination of materials, slip conditions, either general or of the elastic type, or with Coulomb friction, allow one to show the existence of both sagittally and horizontally polarized interface waves. The latter, in particular, are dispersive and exhibit a cutoff that could be used as an indicator of the quality or deterioration of the bonding between materials at the interface.
This paper presents a hybrid hyperelastic model for rubbery material combining the Gent–Thomas theory for low stretch deformation and the Ogden theory for large stretch deformation. Any deformation mode of rubbery materials is completely characterized by the studied model. A method for mechanical parameters identification is developed. So, comparison between experimental data and analytical solutions is made permitting discussions on the validity of different strain energy function domains. Good agreement between predicted results and experimental data is shown by the processing of the curves of simple tension and pure shear.
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