VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
  • Evaluation of the frequency-dependent Youngs modulus and damping factor of rubber from experiment and their implementation in a finite-element analysis
    Koblar, David, strojnik ; Boltežar, Miha
    Rubbers are commonly used in industry to reduce vibration transfer and, consequently, reduce structural noise. The vibration transfer through rubber can be modelled with finite elements; however, to ... achieve satisfactory results it is necessary to know the viscoelastic properties of the rubber. This paper describes the commonly used theory of vibration transmission through rubber modelled as a single-degree-of-freedom (SDOF) system. Three simplified rubber models are used to identify the constant Youngs modulus and damping factor from the measurements of two different rubber specimens, and with the obtained results the theoretical transmissibilities are calculated. The frequency-dependent Youngs modulus and damping factor are also calculated from measurements.The practical use of previous measurements of dynamic material propertiesis presented in a finite-element analysis, where three different definitions of the dynamic material properties are carried out for four different rubber specimens, which corresponds to 12 analyses. The finite-element analyses are then compared with the measurements, and general guidelines for using dynamic material properties in ANSYS Workbench v.14 are given.
    Vir: Experimental techniques. - ISSN 0732-8818 (Vol. 40, iss. 1, Feb. 2016, str. 235-244)
    Vrsta gradiva - članek, sestavni del
    Leto - 2016
    Jezik - angleški
    COBISS.SI-ID - 13234971

vir: Experimental techniques. - ISSN 0732-8818 (Vol. 40, iss. 1, Feb. 2016, str. 235-244)
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