通过目标的runge-kutta初始条件,实现对内置压电缆参数振动的上分支稳定状态解决方案
Zengwei Guo1, Shuangqing Xu2, Xingyu Tang2
1College of Civil Engineering, Chongqing Jiaotong University, Chongqing, P. R. China. zengweiguo@cqjtu.edu.cn.
Scientific reports
|November 19, 2025
概括
这项研究探讨了使用惰性阻尼器在停留电缆中减轻参数共振的方法. 适当的初始条件对于准确的稳定状态解决方案至关重要,防止对阻尼器的高估.
科学领域:
- 结构动力学 结构动力学
- 机械振动 机械振动 机械振动
- 土木工程 土木工程是指土木工程.
背景情况:
- 长时间停留的电缆容易发生参数共振.
- 内置阻尼器为振动控制提供了一个潜在的解决方案.
研究的目的:
- 调查平行无力阻塞的停留电缆中的减轻参数共振.
- 开发一种方法来准确确定上分支稳定状态解决方案.
主要方法:
- 利用Runge-Kutta集成用于过渡和稳定状态响应分析.
- 使用阶段肖像来检查初始条件的影响.
- 应用多个尺度的方法来确定初始条件选择标准.
主要成果:
- 最初的条件显著影响过渡幅度轨迹和稳定状态解决方案.
- 惯性阻尼器改变了关键阶段轨迹,改变了可行的初始条件.
- 荣格-库塔解决方案可能会汇聚到具有特定初始条件的下分支解决方案,可能会高估阻尼器的有效性.
结论:
- 准确的初始条件选择对于在停留电缆中可靠的惯性阻尼器分析至关重要.
- 该研究提供了一种方法,以确保对所需的上分支稳定状态解决方案的趋同.
- 了解初始条件依赖性可以防止误解惰性阻尼器性能.
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