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Dynamic properties of a class of vibration with isolator with solid-and-liquid mixture[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(2): 253-258. DOI: 10.6052/0459-1879-2009-2-2008-059
Citation: Dynamic properties of a class of vibration with isolator with solid-and-liquid mixture[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(2): 253-258. DOI: 10.6052/0459-1879-2009-2-2008-059

Dynamic properties of a class of vibration with isolator with solid-and-liquid mixture

  • Received Date: January 23, 2008
  • Revised Date: November 27, 2008
  • This paper describes a type of new vibration isolator withsolid-and-liquid mixture (SALiM) for vibration isolation and shock absorbing.The SALiM is composed of incompressible liquid and compressible elastic solidelements. Under shock or vibration loading, the incompressible liquid caninstantly pass the pressure onto all solid elements. The deformations of allsolid elements can greatly absorb and dissipate the energy of vibrations andshocks. In this paper, hollow rubber sphere was used as solid element in theisolator. Dynamic properties of hollow rubber sphere were investigated andthe nonlinear force-displacement relation of isolator was established. Inaddition, the motion equation of the isolator and its perturbation solutionare developed. The theoertical results show good agreement with the MTSexperimental data. Furthermore, the frequency response of the isolator isevaluated theoretically and measured on a test rig to show nonlinear dynamicbehaviors.
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