通过恢复力表面来比较歇斯底里模型的定性方法
Jakub Mrowka1, Kajetan Dziedziech2, Andrzej Klepka2
1AGH University of Science and Technology, Krakow, Poland. jakmrowka@gmail.pl.
Scientific reports
|May 7, 2025
概括
这项研究将像Preisach和Buc-Wen这样的hysteresis模型与非线性机械系统进行比较. 准确的建模对于模拟接触损伤和确保可靠的工程应用至关重要.
科学领域:
- 机械工程 机械工程
- 非线性动力学是一种非线性动力学.
- 材料科学 材料科学 材料科学
背景情况:
- 非线性机械系统中的歇斯底里,特别是接触式损伤,存在重大建模挑战.
- 准确模拟这些非线性对于机械系统的可靠分析,设计和诊断至关重要.
- 选择合适的歇斯底里模型对于捕捉复杂系统动态至关重要.
研究的目的:
- 为了比较已建立的歇斯底里模型在模拟接触式损伤的非线性机械系统中的有效性.
- 根据实验验证,确定最适合现实应用的模型.
- 提高对hysteresis建模的理解,以改进工程模拟.
主要方法:
- 对Preisach,接触声学非线性 (CAN),Bouc-Wen,Dahl和LuGre模型的评估.
- 使用来自对钢样品的受控试验的实验数据.
- 采用光谱分析,时间域分析和恢复力表面 (RFS) 方法进行模型评估.
主要成果:
- 在捕获hysteresis动态时对模型性能进行比较分析.
- 模型准确性与来自钢样本的实验数据的验证.
- 了解不同歇斯底里模型的优缺点.
结论:
- 仔细选择歇斯底里模型对于工程应用中的准确模拟至关重要.
- 该研究为完善现有模型和为复杂的机械系统开发新的模型提供了基础.
- 了解歇斯底里是推动机械系统设计,优化和诊断的关键.
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