地板结构的振动可用性评估:使用基于代理的建模模拟人-结构-环境相互作用的模拟
Erfan Shahabpoor1, Bernard Berari1, Aleksandar Pavic2
1Department of Architecture & Civil Engineering, University of Bath, Claverton Down, Bath BA2 7AY, UK.
Sensors (Basel, Switzerland)
|January 11, 2025
概括
新的基于代理的振动可用性评估 (AVSA) 框架准确地预测了考虑到人与结构相互作用的结构振动. 通过模拟多种振动模式和人与环境的动态来改进安全评估,AVSA增强了以前的模型.
科学领域:
- 结构工程 结构工程
- 人与结构的互动 人与结构的互动
- 振动分析 振动分析
背景情况:
- 人类的互动显著影响结构振动估计.
- 现有的基于交互的振动可用性评估 (I-VSA) 在模拟多个结构模式和复杂的人类交互方面存在局限性.
- 精确模拟人-结构动态相互作用 (HSI) 对于评估振动可用性至关重要.
研究的目的:
- 引入一个新的基于代理的振动可用性评估 (AVSA) 框架.
- 通过同时模拟多个结构模式,人与环境的相互作用和乘客的运动模式,克服以前方法的局限性.
- 为先进的振动可用性分析提供灵活和通用的框架.
主要方法:
- 开发基于代理的振动可用性评估 (AVSA) 框架.
- 模拟轻型地板对坐着和走路负荷的反应,使用三个垂直振动模式.
- 在模拟中整合人与环境的相互作用和详细的运动模式.
主要成果:
- 在组合动态负载下,AVSA成功模拟了结构振动.
- 实验振动数据始终在AVSA预测的95%置信区间内.
- 该框架在预测复杂场景的振动可用性方面表现出很高的准确性.
结论:
- 在模拟振动可用性方面,AVSA框架提供了重大进展.
- 它为分析各种交互方式,人类活动和结构性反应提供了一种多功能工具.
- AVSA提高了建筑环境中振动评估的可靠性.
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