双稳定非线性能流槽的新有效配置
Rafath Abdul Nasar1, Mohammad A Al-Shudeifat2
1Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
Scientific reports
|November 8, 2024
概括
这项研究引入了一种可适应振动抑制的新型可见度非线性能量吸收器 (B-SLIP NES). 与传统方法相比,B-SLIP NES在减轻地震和扭动振动方面表现出强大的性能.
科学领域:
- 机械工程 机械工程
- 控制振动,控制振动.
- 非线性动力学是一种非线性动力学.
背景情况:
- 非线性能量吸收器 (NES) 有效地抑制振动.
- 适应性NES配置对于各种应用是必要的.
- 双口式系统提供独特的能量消散特性.
研究的目的:
- 提出和分析一种新的可适应的稳定/可靠的非线性能量沉积器 (NES).
- 调查拟议的NES的抑制振动能力.
- 将拟议的NES的性能与现有方法进行比较.
主要方法:
- 使用欧勒-拉格朗日法推导运动方程.
- 优化NES参数以实现最大能量吸收.
- 数字模拟和分析响应分析.
主要成果:
- 介绍了一种基于NES的新型弹式倒置摆形 (SLIP) 配置.
- 两位式配置 (B-SLIP NES) 显示了增强的振动抑制.
- B-SLIP NES的性能优于调整的质量阻尼器和立方体硬度NES.
结论:
- 拟议的B-SLIP NES是用于抑制振动的强大且可适应的解决方案.
- B-SLIP NES有效地减轻了地震地面运动和强迫扭动振动.
- 这项研究证实了B-SLIP NES在传统振动吸收器上的优势.
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