Theoretical and Numerical Considerations on the Composite Neoprene Used at Vibration and Shock Isolation Isolators
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Construction of passive insulation elements in neoprene single microstructure mixture has demonstrated that the isolators can have the necessary elastic characteristics but low internal damping. The reduced scale models have in the structure viscoelastic materials basing on natural rubber symmetrically distributed in respect to geometrical reference system chosen for the isolator. The materials consisting of natural or synthetic rubber are used as filling elements symmetrically located so that globally the isolator can be properly characterized both at compression and shear. This paper presents a study case with two material type modelled as Voigt-Kelvin element and Hooke-Maxwell element and three neoprene bearings modelled with: Voigt-Kelvin elements, Hooke-Maxwell elements and Voigt-Kelvin + Hooke-Maxwell elements.
- 2010 fascicula14 nr2