Dynamic analisys of the parameters of the mechanical systems with structural damping. Viscoelastic SLS model. Part 2: Transmissibility factor and isolation degree

  • Nicușor Drăgan ”Dunarea de Jos" University of Galati, Faculty of Engineering and Agronomy of Braila, Romania
Keywords: steady-state vibration, structural damping, SLS model, transmissibility ratio, isolation degree

Abstract

The article proposes an approach of a 1DOF (1 Degree Of Freedom) dynamic model of an elastic mechanical system with structural damping rheologically modeled as a Zener model. Zener model, also known as SLS (Standard Linear Solid) model, describes the dynamic behavior of a linear viscoelastic mechanical system under a given set of loading conditions. Rheological model is a complex parallel structure, that means: a Maxell model in parallel with a Hooke model. The system is perturbated by a harmonic force F0sinomegat,  the dynamic parameter being the amplitude of the forced steady-state vibration and the transmitted force to the base. The parametric dynamic characteristics that are drawn and analyzed are the transmissibility ratio T(omega,delta) and the isolation degree I(omega,delta).

References

[1] Bratu, P., Elastic Systems Vibrations, Technical Publishing House, Bucharest, 2000.
[2] Bratu, P., Bearing Elastic Systems for Machines and Equipment, Technical Publishing House, Bucharest, 1990.
Published
2016-11-20
How to Cite
1.
Drăgan N. Dynamic analisys of the parameters of the mechanical systems with structural damping. Viscoelastic SLS model. Part 2: Transmissibility factor and isolation degree. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering [Internet]. 20Nov.2016 [cited 26Apr.2024];23(2):13-6. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/im/article/view/1591
Issue
Vol 23 No 2 (2016)
Section
Articles

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