Vibration Location in Quasi-Periodic Beams and Plates
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The talk will present ongoing investigations on elastic wave propagation in quasi-periodic beams and plates. Results show the occurrence of a variety of modes that are localized at the edges or within the quasi-periodic arrangement of mass and stiffness inclusions. The areas in which localization occurs can be predicted by the evaluation of the quasi-static (zero frequency) response of the system, that defines domains boundaries that constrain the localization regions and thus delineate them. The talk will present numerical results that illustrate the behavior of the considered class of systems, along with ongoing experimental investigations that demonstrate some of the unique features predicted by theoretical findings.
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