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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 41
Edited by: B.H.V. Topping
Paper VI.2

Vibration Analysis of Rotating Composite Cylindrical Shells with Orthogonal Stiffeners

Y.-S. Lee*, J.-W. Kim* and J.-S. Hyun#

*Department of Mechanical Design Engineering, Chung-Nam National University, Tae-Jon, Korea
#Korea Electric Power Research Institute, Tae-Jon, Korea

Full Bibliographic Reference for this paper
Y.-S. Lee, J.-W. Kim, J.-S. Hyun, "Vibration Analysis of Rotating Composite Cylindrical Shells with Orthogonal Stiffeners", in B.H.V. Topping, (Editor), "Advances in the Analysis and Design of Composites", Civil-Comp Press, Edinburgh, UK, pp 129-136, 1996. doi:10.4203/ccp.41.6.2
The analytical solutions for the free vibration of the rotating composite cylindrical shells with axial stiffeners (stringers) and circumferential stiffeners (rings), that is, orthogonal stiffeners, are presented using the energy method. The stiffeners are assumed to be an integral part of the shell and have been directly included in analysis (called discrete stiffener theory). The Love's shell theory is used to derive the governing equation of the shell. The effect of the parameters such as the stiffener's height-to-width ratio, the shell thickness, the shell length-to-radius ratio are studied. By comparison with the previously published analytical results for the rotating composite shell without stiffener and the orthogonally stiffened isotropic cylindrical shells, it is shown that natural frequencies can be determined with adequate accuracy.

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