Damping analysis of composite cylindrical shells using the wave propagation approach

Bai Yujie Zhang Xiaozhang

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (9) : 111-115.

PDF(1209 KB)
PDF(1209 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (9) : 111-115.
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Damping analysis of composite cylindrical shells using the wave propagation approach

  • Bai Yujie Zhang Xiaozhang
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Abstract

The damping of composite cylindrical shells using the wave propagation approach was theoretically studied. The vibration equations of the cylindrical shells were derived based on the Love’s 1st order shell theory. The wave propagation method was applied to solve the equations in order to establish the damping model of cylindrical shells. The theoretical results obtained by the model met well with the solutions obtained by the finite element analysis. In this paper the damping of composite cylindrical shells with and laminations was studied on three boundary conditions: SS-SS (simply supported- simply supported), C-F (champed- free) and C-C (champed-champed), furthermore the influence of orientations and geometry was also discussed.


Key words

composite materials / cylindrical shell / damping / wave propagation method

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Bai Yujie Zhang Xiaozhang . Damping analysis of composite cylindrical shells using the wave propagation approach[J]. Journal of Vibration and Shock, 2014, 33(9): 111-115
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