| 外弹性支承滑动轴承—刚性转子系统非线性动力稳定性的研究 |
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| 引用本文： | 张亚红,华军,许庆余. 外弹性支承滑动轴承—刚性转子系统非线性动力稳定性的研究[J]. 应用力学学报, 2001, 18(3): 105-110 |
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| 作者姓名： | 张亚红 华军 许庆余 |
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| 作者单位： | 西安交通大学 |
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| 基金项目： | 国家自然科学基金重点课题资助项目(59335100) |
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| 摘 要： | 研究外弹性支承滑动轴承－刚性转子系统的动力稳定性问题。建立了弹性支承圆瓦轴承－Jeffcot转子系统的力学模型，针对滑动轴承水平转子，在油膜力非线性的情况下，采用Newmark方法计算其响应。对于一个具体的算例，通过改变其参数，确定其稳定区，并与滑膜力线性化时理论分析的结果进行了比较。
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| 关 键 词： | 转子系统 弹性支承 Newmark方法 稳定性 非线性 滑动轴承 |
| 文章编号： | 1000-4939(2001)03-0105-06 |
| 修稿时间： | 2000-12-28 |
Study on Nonlinear Dynamic Stability of a Flexible Support-Sliding Bearing Rigid Rotor System |
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| Zhang Yahong Xu Qingyu Hua Jun. Study on Nonlinear Dynamic Stability of a Flexible Support-Sliding Bearing Rigid Rotor System[J]. Chinese Journal of Applied Mechanics, 2001, 18(3): 105-110 |
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| Authors: | Zhang Yahong Xu Qingyu Hua Jun |
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| Abstract: | The nonlinear dynamic stability of a flexible support-sliding bearing rigid rot o r system is investigated. For the horizontal rotor with flexible support, the m echanical model of Jeffcot rotor-oil film cylindric bearing is established. Bas e d on the nonlinear behavior of film force, the Newmark method is used to calcul ate the dynamic response of the rotor system. And a practical Jeffcot rotor sys tem is calculated. Its stable region is discussed via changing its structural pa rameters. The calculated results are compared with the results in the case of li near film force. |
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| Keywords: | rotor system flexible bearing newm ark metho stability. |
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