使用Newmark-β方法研究变速箱中不平衡轴部件对位移的影响
Thanh Lam Tran1, Vinh Phoi Nguyen2, Chi Cuong Le1
1Faculty of Mechanical Engineering, HCMC University of Technology and Education, Ho Chi Minh, Viet Nam.
PloS one
|November 5, 2025
概括
本研究提出了一种改进的数值方法,用于分析转子轴承在变速箱激发下的动态. 改进的方法确保精确和稳定的分析轴位移和扭矩变形,通过实验数据验证.
科学领域:
- 机械工程 机械工程
- 计算动力学是一种计算动力学.
- 振动分析 振动分析
背景情况:
- 转子轴承系统在旋转机械中至关重要.
- 变速箱驱动轴的不平衡刺激可能会导致显著的动态问题.
- 对动态行为的准确分析对于系统设计和维护至关重要.
研究的目的:
- 引入一种增强的数值方法来分析旋转轴承系统的动态行为.
- 为了准确计算旋转轴的位移和扭矩变形.
- 通过实验数据验证拟议的计算模型.
主要方法:
- 使用了与可变时间步骤算法集成的Newmark-β方法.
- 开发了一种用于转子轴承系统动态的计算模型.
- 对旋转速度,试验质量和初始相角进行了参数分析.
主要成果:
- 增强的数值方法提供快速和准确的解决方案,没有稳定性问题.
- 实验验证显示,在临界速度以下的位移偏差低于6%.
- 参数分析揭示了关键参数对系统动态的影响.
结论:
- 增强的数值方法为动态分析提供了快速的融合和可靠的预测.
- 这种方法是复杂旋转系统的动态分析的宝贵工具.
- 这项研究验证了Newmark-β方法的有效性,用于转子动态的可变时间步骤.
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