Design Optimisation and Validation of Phononic Crystal Plates for Manipulation of Elastodynamic Guided Waves

Nominated as an outstanding PhD thesis by the University of South Australia

Introduces novel topologies of phononic crystals with record-breaking bandgap widths

Discusses various approaches to optimizing porous phononic crystals

Describes the optimization of both bi-material 1D and porous 2D periodic designs

Nominated as an outstanding PhD thesis by University of South Australia, Adelaide, Australia Introduces novel topologies of phononic crystals with record breaking bandgap width and deformation induced tunability Discusses different approaches for optimization of porous phononic crystals Describes optimization of both bi-material 1D and porous 2D periodic design

Inhalt
Background and Research Scope.- Literature Review and Research Objectives .- Optimisation Framework Formulation.- Optimisation of Bi-Material Layered 1D Phononic Crystal Plates (PhPs).-Optimisation of Porous 2D PhPs with Respect to In Stiffness.- Optimisation of Porous 2D PhPs: Topology Refinement Study and other Aspect Ratios.- Optimisation of Porous 2D PhPs for Deformation-Induced Tunability.- Experimental Validation of Optimised Porous 2D PhPs.- Conclusions and Recommendations for Future Work.