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- Title
ON FRACTIONAL ORDER DYNAMICS OF ELASTOMERS-BASED VIBRATION INSULATION DEVICES.
- Authors
NASTAC, Silviu
- Abstract
This study deals with simulation and computational approaches of vibration insulation devices behaviour based on fractional-order differential equations (FDE). The analyses regarding the influences of fractional derivatives have been focused on the dissipative component within the Voigt-Kelvin rheological model, and the computations were developed on both linear and nonlinear characteristics related to the dissipative and conservative component respectively. The objective of this research consists on the evaluation of the serviceable capability of the FDE-based computational models to provide better results, comparative with the classical models, regarding the visco-elastic behaviour of the elastomeric isolation devices. The computational results were comparatively analyzed for a set of values of fractional order, and with the integer order derivative case. Concluding remarks follow the capability of fractional Voigt-Kelvin model to accurately simulate dynamic behaviour of passive vibration insulation devices.
- Subjects
ELASTOMERS; DIFFERENTIAL equations; FRACTIONAL calculus; INTEGERS; MATHEMATICAL analysis
- Publication
Acta Electrotehnica, 2019, Vol 60, Issue 1/2, p169
- ISSN
1841-3323
- Publication type
Article