Free Vibration of Circular Cylindrical Shell With Constrained Layer Damping

CAO Xiong-tao; ZHANG Zhi-yi; HUA Hong-xing

doi:10.3879/j.issn.1000-0887.2011.04.009

Volume 32 Issue 4

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CAO Xiong-tao, ZHANG Zhi-yi, HUA Hong-xing. Free Vibration of Circular Cylindrical Shell With Constrained Layer Damping[J]. Applied Mathematics and Mechanics, 2011, 32(4): 470-482. doi: 10.3879/j.issn.1000-0887.2011.04.009

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Free Vibration of Circular Cylindrical Shell With Constrained Layer Damping

doi: 10.3879/j.issn.1000-0887.2011.04.009

State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Dongchuan Road 800, Shanghai 200240, P. R. China

Received Date: 2010-08-23
Rev Recd Date: 2011-02-22
Publish Date: 2011-04-15

Abstract

Abstract

The free vibration characteristic of circular cylindrical shell with passive constrained layer damping (PCLD) was presented.Wave propagation approach rather than finite element method,transfer matrix method and Rayleigh-Ritz method were used to solve the vibration of PCLD circular cylindrical shell with simply supported boundary condition at two ends.The governing equations of motion for the orthotropic cylindrical shell with PCLD were derived on the base of Sanders thin shell theory.Numerical results show that the present method is more effective in comparison with other methods.The effect of the thickness of viscoelastic core and constrained layer,the elastic modulus ratio of orthotropic constrained layer and complex shear modulus of viscoelastic core on frequency parameter and loss factor is discussed.
- sandwich shell,
- cylindrical shell,
- viscoelastic material,
- constrained layer damping,
- free vibration

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References(25)

References

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