Damping Properties of Viscoelastic Stiffened Laminated Cylindrical Shells with an Unconstrained Fiber-Reinforced Layer

Shao Hong Yang; An Wen Wang; Jing Wu; Fang Huang

doi:10.4028/www.scientific.net/AMR.217-218.1249

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Damping Properties of Viscoelastic Stiffened...

Damping Properties of Viscoelastic Stiffened Laminated Cylindrical Shells with an Unconstrained Fiber-Reinforced Layer

Abstract:

By use of the mixed layerwise theories and the interpolation functions of displacements and transverse stress, the dynamics equations of viscoelastic stiffened laminated cylindrical shells with an unconstrained fiber-reinforced layer were derived. The predicted vibration frequency and loss factor show the good agreement with the A.Okazaki’ experimental results for the two-layer cylindrical shells. The non-dimensional frequencies and loss factors were computed for different Young’s modulus and thickness of viscoelastic layer. The results show that using a higher module and thickness viscoelastic layer can effectively increase the loss factors; moreover, using a circular-reinforced viscoelastic layer has little effect on the non-dimensional frequencies, but can effectively increase the model loss factors.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

1249-1254

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.1249

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Cite this paper

Online since:

March 2011

Authors:

Shao Hong Yang, An Wen Wang, Jing Wu, Fang Huang

Keywords:

Fiber-Reinforced Viscoelastic Layer, Loss Factor, Mixed Layerwise Theories, Non-Dimensional Frequency, Stiffened Laminated Cylindrical Shells

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