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旋转叶片刚柔耦合系统动力学分析

DOI: doi:10.3969/j.issn.1006-7043.2011.06.008

Keywords: 刚柔耦合, 旋转叶片, 预扭角, 变截面

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Abstract:

针对工程中旋转柔性叶片系统刚柔耦合动力学问题,基于Hamilton原理及有限元法建立了大范围旋转运动的预扭角柔性叶片系统连续动力学方程及有限维离散动力学方程,研究了柔性叶片预扭角及截面变化对叶片端部位移响应的影响.研究结果表明:柔性叶片预扭角及截面变化对垂直于旋转平面内的横向位移有较大影响,若过大可使叶片发生动静碰擦,研究方法及结果可为预扭变截面旋转叶片设计提供理论参考.

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