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使用统计优化设计高性能U形地震阻尼器的计算设计
Ignacio Ríos1,2, Álvaro Gómez1,2, Felipe Romero3
1Department of Mechanical Engineering, Universidad de La Frontera, Temuco 4811230, Chile.
Materials (Basel, Switzerland)
|December 11, 2025
概括
工程师们使用统计和计算机分析开发了一种新方法,设计出更好的U形地震阻尼器 (USSD). 这种方法显著改善了能量消耗和刚性,从而提高了结构的抗震能力.
科学领域:
- 结构工程 结构工程
- 机械工程 机械工程
- 计算力学 计算力学 计算力学
背景情况:
- 被动金属阻尼器对于抗震能力至关重要.
- 传统的阻尼器设计往往缺乏系统的优化.
- 新一代地震防护设备需要新的方法.
研究的目的:
- 引入和验证数据驱动的工作流程,用于设计优质的U形地震阻尼器 (USSD).
- 超越渐进式修改,转向系统的,基于性能的设计.
- 为了优化阻尼器的几何形状,以提高地震性能.
主要方法:
- 结合了塔古奇方法与非线性有限元素分析.
- 使用L25直角阵列进行系统的参数调查.
- 采用差异分析 (ANOVA) 来识别有影响力的几何因素.
主要成果:
- 确定高度,厚度和长度作为影响阻尼器行为的关键参数.
- 开发了优化的USSD模型,包括UD-M4模型.
- 与基线相比,UD-M4的能量消耗增加了7倍,度增加了9倍.
结论:
- 验证了用于地震阻尼器设计的高效统计计算方法.
- 在优化的USSD中显示出显著的性能改进.
- 这种方法可以实现基于数据的,基于性能的地震保护装置设计.
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