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多体系统中深沟球轴承旋转铰内接触分析

齐朝晖 王刚 李坦

齐朝晖, 王刚, 李坦. 多体系统中深沟球轴承旋转铰内接触分析[J]. 力学学报, 2013, 45(3): 426-433. doi: 10.6052/0459-1879-12-320
引用本文: 齐朝晖, 王刚, 李坦. 多体系统中深沟球轴承旋转铰内接触分析[J]. 力学学报, 2013, 45(3): 426-433. doi: 10.6052/0459-1879-12-320
Qi Zhaohui, Wang Gang, Li Tan. CONTACT ANALYSIS OF DEEP GROOVE BALL BEARING JOINT IN MULTIBODY SYSTEMS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(3): 426-433. doi: 10.6052/0459-1879-12-320
Citation: Qi Zhaohui, Wang Gang, Li Tan. CONTACT ANALYSIS OF DEEP GROOVE BALL BEARING JOINT IN MULTIBODY SYSTEMS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(3): 426-433. doi: 10.6052/0459-1879-12-320

多体系统中深沟球轴承旋转铰内接触分析

doi: 10.6052/0459-1879-12-320
基金项目: 国家自然科学基金资助项目(10972044).
详细信息
    通讯作者:

    齐朝晖,教授,主要研究方向:多体系统动力学.E-mail:zhaohuiq@dlut.edu.cn

  • 中图分类号: O313.7

CONTACT ANALYSIS OF DEEP GROOVE BALL BEARING JOINT IN MULTIBODY SYSTEMS

Funds: The project was supported by the National Natural Science Foundation of China (10972044).
  • 摘要: 将传统方法用于铰内接触分析时,需要通过物体的相对运动细节判断接触位置. 但实际机械系统中的铰,其内部缝隙非常小以至于几乎与计算误差的数量级相同. 在这种情况下,传统方法中的数值病态非常严重,难以得到合理的结果. 结合深沟球轴承旋转铰的构造细节,分析了钢球与轨道接触时运动学描述参数之间的关系、钢球在有效承载时的受力特征以及铰内接触形式的特点. 在此基础上,提出了一种确定多体系统中深沟球轴承旋转铰内接触力和接触位置的方法. 所提方法不需要解除铰的运动学约束,也不必求解非线性互补方程,因此在数值稳定性和计算效率方面具有优势. 数值算例验证了该方法的可行性.

     

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出版历程
  • 收稿日期:  2012-11-14
  • 修回日期:  2012-12-18
  • 刊出日期:  2013-05-18

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