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      Trapping of vibration energy into a set of resonators: theory and application to aerospace structures

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      Author
      Carcaterra, A.
      Akay, A.
      Bernardini, C.
      Date
      2012
      Source Title
      Mechanical Systems and Signal Processing
      Print ISSN
      0888-3270
      Volume
      26
      Issue
      1
      Pages
      1 - 14
      Language
      English
      Type
      Article
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      Abstract
      This paper presents the theory of a novel mechanism of energy absorption and induced damping in structural systems and its application to aerospace industry. The underlying principles of the physical phenomena have been addressed in several earlier publications, which focused on prototypical systems of absorbers that consist of a set of single-degree-of-freedom resonators. This paper generalizes those theoretical developments to the case of a cluster of beams attached to a continuous primary structure, to develop predictive methods for the expected performance of this new type of absorber, with particular emphasis on its optimal design. An embodiment of the conceived device is illustrated for an aerospace structure, a satellite, with the purpose of reducing the vibration of the electronic components on board during lift-off. Experimental results illustrate the feasibility and the attractiveness of this new absorption technique. © 2011 Elsevier Ltd. All rights reserved.
      Keywords
      Apparent damping
      Fuzzy damping
      Passive vibration damping
      Shock attenuation
      Aerospace structure
      Electronic component
      Optimal design
      Permalink
      http://hdl.handle.net/11693/21644
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.ymssp.2011.05.005
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