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- W1984407904 abstract "A new concept, the Passive Remote Electromechanical Dynamic Absorber (RDA) is investigated. The current design utilizes piezoelectric elements to convert the mechanical strain energy of a parent system into electrical energy, which is fed into the RDA. The RDA similarly uses piezoelectric elements to convert the applied electrical energy into mechanical self-excitation and vice versa. A lumped-system model of the coupled system is developed, accounting for the stiffness and mass of both the parent and RDA systems, along with a coupling stiffness term. Additionally, a three dimensional coupled-system finite element model is developed in ANSYS/Multiphysics. Experimental work is conducted to validate the concept of the lumped system model and to validate the finite element modeling technique. A reasonable correlation exists between the experimental results and the analytical predictions. Finite Element Analysis (FEA) provides a reasonable prediction of the RDA performance. Furthermore, analytical predictions of the RDA show a successful reduction of the parent response by up to ~30 db, in a narrow frequency band around its uncoupled resonant frequency. The overall qualitative agreement between the analytical and the experiment confirm the validity and potential of the proposed RDA for vibration suppression of dynamic systems." @default.
- W1984407904 created "2016-06-24" @default.
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- W1984407904 date "2002-06-28" @default.
- W1984407904 modified "2023-09-27" @default.
- W1984407904 title "<title>Remote dynamic absorber</title>" @default.
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- W1984407904 doi "https://doi.org/10.1117/12.472648" @default.
- W1984407904 hasPublicationYear "2002" @default.
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