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工程力学  2014 

考虑剪切变形旋转运动复合材料薄壁梁的动力学特性

, PP. 215-222

Keywords: 旋转梁,自由振动,复合材料,薄壁梁,伽辽金法

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Abstract:

研究考虑横向剪切的旋转运动复合材料薄壁梁的动力学特性。采用变分渐进法描述位移和应变并且引入横向剪切变形的影响,由Hamilton原理推导出Timoshenko梁的动力学模型,采用Galerkin法对薄壁梁进行自由振动分析,并且将计算结果与现有的有限元计算结果进行对比,验证了该文动力学模型的有效性。进一步针对周向均匀刚度配置(CUS)的箱型和翼型薄壁梁进行固有频率的计算,揭示了纤维铺层角、转速和结构参数对薄壁梁动力学特性的影响。

References

[1]  Barbero E J. Introduction to composite materials [M]. Taylor & Francies Inc., Phildelphia, 1999: 30―36.
[2]  Jonesm P M. Mechanics of composite materials [M]. Taylor & Francies Inc., Phildelphia, 1999: 53―61.
[3]  Rehfield R W. Design analysis methodology for composite rotor blades [C]. Proceedings of the Seventh DoD/NASA Conference on Fibrous Composites in Structural Design. AFWAL-TR-85-3094, 1985: H5.
[4]  Song O, Librescu L. Free vibration of anisotropic composite thin-walled beams of closed cross-section contour [J]. Journal of Sound and Vibration, 1993, 167(1): 129―147.
[5]  Qin Z, Librescu L. On a shear-deformable theory of anisotropic thin-walled beams: further contribution and validations [J]. Composite Structures, 2002, 56(4): 345―358.
[6]  Librescu L, Song O. Thin-walled composite beams [M]. Springer, 2006: 25―48.
[7]  Saravanos D A, Varelis D, Plagianakos T S, et al. A shear beam finite element for the damping analysis of tubular laminated composite beams [J]. Journal of Sound and Vibration, 2006, 291(2): 802―823.
[8]  Armanios E A, Badir A M. Free vibration analysis of anisotropic thin-walled closed-section beams [J]. AIAA, 1995, 33(9): 1905―1910.
[9]  Dancila D S, Armanios E A. The influence of coupling on the free vibration of anisotropic thin-walled closed-section beams [J]. International Journal of Solids and Structures, 1998, 35(23): 3105―3119.
[10]  Berdichevsky V, Armanios E, Badir A. Theory of anistropic thin-walled closed-cross-section beams [J]. Composites Engineering, 1992, 2(5): 411―432.
[11]  Ren Yongsheng, Yang Shulian, Du Xianghong. Modeling and free vibration behavior of rotating composite thin-walled closed-section beams with SMA fibers [J]. Chinese Journal of Mechanical Engineering, 2012, 25(5): 1030―1044.
[12]  Song O, Jeong N-H, Librescu L. Implication of conservative and gyroscopic forces on vibration and stability of an elastically tailored rotating shaft modeled as a composite thin-walled beam [J] Journal of Acoustical of America, 2001, 109(31): 972―981.
[13]  王旭东, 陈进, Wenzhong Shen, 张石强. 风力机叶片翼型型线集成设计理论研究[J]. 中国机械工程, 2009, 20(2): 211―213, 228. Wang Xudong, Chen Jin, Wenzhong Shen, Zhang Shiqiang. Integration study on airfoil profile for wind turbines [J]. China Mechanical Engineering, 2009, 20(2): 211―213, 218. (in Chinese)

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