Thermomechanical Fractional Derivative Model of Viscoelastic Isolators

Zhen Li Zhang; Chao Shang; Wei Hua Shi

doi:10.4028/www.scientific.net/AMR.952.219

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 952Thermomechanical Fractional Derivative Model of...

Thermomechanical Fractional Derivative Model of Viscoelastic Isolators

Abstract:

In vibration process, viscoelastic isolators’ temperature will rise due to energy dissipation, especially when the isolators have high damping characteristics. First, for the arbitrary loadings, the thermomechanical coupling model and the corresponding difference form are established based on the five-parameter fractional derivative model. Then, for the steady-state harmonic inputs, which is very common in engineering application, the derived model is significantly simplified by Fourier transformation. Finally, the proposed model is verified by experiments and shows a reasonable agreement with measured data.

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Periodical:

Advanced Materials Research (Volume 952)

Pages:

219-222

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.952.219

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Online since:

May 2014

Authors:

Zhen Li Zhang*, Chao Shang, Wei Hua Shi

Keywords:

Fractional Derivative, Thermomechanical, Viscoelastic

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