在合的非线性振荡器中保持相位的非相互动力学)
Ali Kogani1, Behrooz Yousefzadeh1
1Department of Mechanical, Industrial & Aerospace Engineering, Concordia University, Montreal, Québec H3G1M8, Canada.
The Journal of the Acoustical Society of America
|November 7, 2025
概括
在合的非线性系统中,非互惠性源于传输的能量和相位的差异. 这项研究揭示了相位偏差对于打破互惠至关重要,甚至使相位保持不互惠成为可能.
科学领域:
- 非线性动力学是一种非线性动力学.
- 振动力学 振动力学
- 声学和机械超材料.
背景情况:
- 非互惠的典型特点是,当源和接收器的位置交换时,能量传输不平等.
- 这种能量不对称性往往与传输信号的相差有关.
- 了解能量和相的相互作用是控制波传播的关键.
研究的目的:
- 研究相位偏差在合非线性系统中破坏互惠性的作用.
- 探索哪些条件下能量偏差单独导致非互惠.
- 开发方法来实现阶段维护的非互惠.
主要方法:
- 在式激发下对联非线性系统中稳定状态振动传输的分析.
- 数学建模以确定能量和相位偏差的贡献.
- 引入破坏对称性的参数来控制系统响应.
主要成果:
- 这些系统的非互惠性通常是由传输能量和相位的同时偏差驱动的.
- 能量偏差本身可以诱导非互惠,但需要高度特定的系统参数.
- 一种方法被证明可以实现非互惠性,同时保持相位.
结论:
- 阶段偏差在非线性非互惠性中起着重要作用.
- 控制能量和相位动态对于设计非互惠系统至关重要.
- 拟议的方法为设计新型非互惠设备提供了一条途径.
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