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Panel Flutter of a Variable-Thickness Composite Shell
Mechanics of Composite Materials ( IF 1.5 ) Pub Date : 2020-11-01 , DOI: 10.1007/s11029-020-09909-y
V. N. Bakulin , M. A. Konopelchev , A. Ya. Nedbai

Systems of equations are obtained to study the onset of panel flutter of a composite shell with a linearly varying thickness. Using a model developed, the critical flow-over speed, corresponding to the onset of flutter, as a function of thickness difference between the left and right ends of the shell is calculated for various values of the axial compressive force and shell length with and without considering its structural damping. The discrepancy between the critical flow-over speed calculated for the shell and a shell with the corresponding integrally average constant thickness is determined.

中文翻译:

变厚复合壳的面板颤振

获得方程组来研究具有线性变化的厚度的复合材料壳的面板颤振的开始。使用开发的模型,针对轴向压缩力和壳长度的各种值(有和没有)计算临界流动速度,对应于颤振的开始,作为壳左端和右端之间的厚度差的函数考虑其结构阻尼。确定为壳计算的临界流动速度与具有相应积分平均恒定厚度的壳之间的差异。
更新日期:2020-11-01
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