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Design optimisation and validation of phononic crystal plates for manipulation of elastodynamic guided waves

Author: Saeid Hedayatrasa
Publisher: Cham, Switzerland : Springer, 2018.
Series: Springer theses.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:
This thesis proposes novel designs of phononic crystal plates (PhPs) allowing ultra-wide controllability frequency ranges of guided waves at low frequencies, with promising structural and tunability characteristics. It reports on topology optimization of bi-material-layered (1D) PhPs allowing maximized relative bandgap width (RBW) at target filling fractions and demonstrates multiscale functionality of gradient  Read more...
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Genre/Form: Electronic books
Additional Physical Format: Printed edition:
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Saeid Hedayatrasa
ISBN: 9783319729596 3319729594
OCLC Number: 1018942509
Notes: "Doctoral thesis accepted by University of South Australia, Adelaide, Australia."
Description: 1 online resource.
Contents: 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.
Series Title: Springer theses.
Responsibility: Saeid Hedayatrasa.

Abstract:

This thesis proposes novel designs of phononic crystal plates (PhPs) allowing ultra-wide controllability frequency ranges of guided waves at low frequencies, with promising structural and tunability  Read more...

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