Aiming to enhance the stiffness and damping properties of cellular materials, the idea of inserting viscoelastic fillers into the gaps of cells is developed. A representative volume element of typical hexagonal honeycomb cells with and without inclusions is examined under dynamic shear loading, in order to define the mechanical properties of the proposed composite material. Within each cell the viscoelastic material is either through viscoelastic shell elements or through viscoelastic bars attached to the hexagonal cell apexes. The calibrated viscoelastic bar RVE model is, by extent, implemented to a shear wall, tested under dynamic shear loading, to verify the efficiency of the viscoelastic inclusions. Finally, different viscoelastic filler patterns are explored to study the proposed system's performance.

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Published on 11/03/21
Submitted on 11/03/21

Volume 900 - Structural Mechanics, Dynamics and Engineering, 2021
DOI: 10.23967/wccm-eccomas.2020.317
Licence: CC BY-NC-SA license

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