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Audible stiffness of a preloaded vibration isolator at different temperatures
KTH, Superseded Departments, Vehicle Engineering.ORCID iD: 0000-0001-5760-3919
KTH, Superseded Departments, Vehicle Engineering.
2003 (English)In: Proceedings of the Tenth International Congress on Sound and Vibration, Stockholm, 2003, 853-860 p.Conference paper, Published paper (Other academic)
Abstract [en]

The results of a temperature and preload dependent dynamic stiffness model of a cylindrical vibration isolator are presented throughout the whole audible frequency range. The stiffness is found to depend strongly on frequency, preload and temperature. A nearly incompressible, thermo-rheologically simple material model is adopted, being elastic in dilatation while displaying viscoelasticity in deviation. The latter exhibits a time-strain separable relaxation tensor with a single Mittag-Leffler function embodying its time dependence. The weak formulations corresponding to the audible stiffness problem are solved by an updated Lagrangian nonlinear finite element procedure.

Place, publisher, year, edition, pages
Stockholm, 2003. 853-860 p.
Series
Proceedings of the Tenth International Congress on Sound and Vibration
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-82470OAI: oai:DiVA.org:kth-82470DiVA: diva2:498264
Conference
Tenth International Congress on Sound and Vibration
Note
Sponsors: International Institute of Acoustics and Vibration, IIAV; Royal Institute of Technology, KTH; Scandinavian Vibration Society, SVIB NR 20140805Available from: 2012-02-11 Created: 2012-02-11 Last updated: 2012-02-11Bibliographically approved

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Kari, Leif

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