Dynamic response of soft core sandwich beams with metal-graphene nanocomposite skins

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Abstract

Sandwich structures are able to provide enhanced strength, stiffness, and lightweight characteristics, thus contributing to an improved overall structural response. To this sandwich configuration one may associate through-thickness graded core material properties and homogeneous or graded properties nanocomposite skins. These tailor-made possibilities may provide alternative design solutions to specific problem requisites. This work aims to address these possibilities, considering to this purpose a package of three beam layerwise models based on different shear deformation theories, implemented through Kriging-based finite elements. The viscoelastic behaviour of the sandwich core is modelled using the complex method and the dynamic problem is solved in the frequency domain. A set of case studies illustrates the performance of the models.

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APA

Loja, M. A. R. (2017). Dynamic response of soft core sandwich beams with metal-graphene nanocomposite skins. Shock and Vibration, 2017. https://doi.org/10.1155/2017/7842413

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