Analysis of the effects of viscosity on the SH-wave band-gaps of 2D viscoelastic phononic crystals by Dirichlet-to-Neumann map method
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DOI: 10.1016/j.ijmecsci.2020.106225
Abstract: Abstract The effects of viscosity on the band-baps of two-dimensional (2D) viscoelastic phononic crystals are studied by the Dirichlet-to-Neumann (DtN) map method. The viscoelastic phononic crystals are composed of square or triangular lattices of elastic… read more here.
Keywords: viscosity; phononic crystals; viscoelastic phononic; map ... See more keywords
Maximizing wave attenuation in viscoelastic phononic crystals by topology optimization
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DOI: 10.1016/j.ultras.2018.05.005
Abstract: HighlightsA topology optimization algorithm for designing 2D viscoelastic phononic crystals is established.Stiffness of phononic crystals is also considered in optimization.Various novel topological patterns of 2D viscoelastic phononic crystals are found.The wave attenuation of the optimized… read more here.
Keywords: phononic crystals; viscoelastic phononic; topology; topology optimization ... See more keywords