Collaborative Research: Real-Time Hybrid Simulation Enabled Damping System Assessment using Scaled Aeroelastic Models of Tall Buildings

合作研究:使用高层建筑的比例气动弹性模型进行实时混合仿真阻尼系统评估

基本信息

  • 批准号:
    2011396
  • 负责人:
  • 金额:
    $ 27.58万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

This award will develop a new damping system assessment framework based on the real-time hybrid simulation (RTHS) methodology that will provide the capability to accurately capture wind-induced response of tall buildings equipped with complex dampers. One of the most cost-effective means of suppressing undesirable wind-induced vibrations of tall buildings is to incorporate auxiliary damping systems. State-of-the-art assessment and design of such damping systems rely on the use of simplified small-scale damper models in wind tunnel tests. This approach presents limitations in reproducing the complex behaviors of full-scale damping systems in a realistic wind environment, as it can introduce errors and significant uncertainty in tall building response evaluation. This research project will develop experimentation, modeling, and computational capabilities for the design and analysis of such damping systems and to understand how tall buildings perform when integrated with them under realistic wind excitations. The NSF-supported Natural Hazards Engineering Research Infrastructure (NHERI) Wall of Wind facility at Florida International University will be used for the experimental validation and demonstration studies. The research program will be complemented with an education and outreach program through curriculum development, hands-on experiences for high school students, and training demonstrations on dynamic testing and wind-induced response reduction for tall buildings. As an integrated part of this project, the participation of students from underrepresented groups will be promoted through established institutional programs on high school outreach and undergraduate training activities. Project data will be archived in the NHERI Data Depot (https://www.DesignSafe-ci.org). This award contributes to NSF's role in the National Windstorm Impact Reduction Program. To advance fundamental knowledge on the response of tall buildings equipped with complex dampers under realistic wind excitations, this project will: (1) capture the aeroelastic behavior of tall building models integrated with full-scale damping systems by establishing a novel RTHS platform for the realistic evaluation of wind-induced response reduction; (2) develop a damper analysis framework to identify damper parameters for optimal response reduction and quantitatively assess the damper’s performance under uncertainty; (3) validate and demonstrate the RTHS platform and damper analysis framework via an experimental program focused on realistic wind scenarios; (4) disseminate the research outcomes to researchers and practitioners through publications, shared codes, and benchmark data sets; and (5) build RTHS capacity in the NHERI Wall of Wind facility. The research outcomes will help realize high-confidence evaluation and design for auxiliary damping systems in tall buildings subjected to various wind scenarios.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该合同将基于实时混合仿真(RTHS)方法开发一种新的阻尼系统评估框架,该框架将提供准确捕获配备复杂阻尼器的高层建筑风致响应的能力。抑制高层建筑风致振动的最经济有效的方法之一是采用辅助阻尼系统。 这种阻尼系统的最新评估和设计依赖于在风洞试验中使用简化的小尺度阻尼器模型。这种方法在再现真实风环境中全尺寸阻尼系统的复杂行为方面存在局限性,因为它会在高层建筑响应评估中引入误差和显著的不确定性。该研究项目将开发用于设计和分析此类阻尼系统的实验,建模和计算能力,并了解高层建筑在现实风激励下与它们集成时的表现。NSF支持的自然灾害工程研究基础设施(NHERI)在佛罗里达国际大学的风墙设施将用于实验验证和示范研究。该研究计划将通过课程开发,高中学生的实践经验以及高层建筑动态测试和风致响应减少的培训演示来补充教育和推广计划。作为该项目的一个组成部分,将通过关于高中外联和本科生培训活动的既定机构方案,促进代表性不足群体的学生的参与。 项目数据将在NHERI数据库(https://www.example.com)中存档。www.DesignSafe-ci.org该奖项有助于NSF在国家减少风暴影响计划中的作用。为了提高对装有复合阻尼器的高层建筑在真实风激励下的响应的基础知识,本项目将:(1)通过建立一个新的RTHS平台来真实评估装有全尺寸阻尼系统的高层建筑模型的风振响应,以捕捉其气动弹性行为;(2)建立阻尼器分析框架,确定阻尼器参数,优化阻尼器的减振效果,并定量评估阻尼器在不确定性条件下的性能;(3)通过一个针对真实风场情景的实验项目验证和演示RTHS平台和阻尼器分析框架;(4)通过出版物、共享代码和基准数据集向研究人员和从业人员传播研究成果;以及(5)在NHERI风墙设施中建立RTHS能力。该研究成果将有助于实现高层建筑在各种风况下的辅助阻尼系统的高置信度评估和设计。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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Teng Wu其他文献

Joint distribution of wind speed and direction in the context of field measurement
现场测量中风速和风向的联合分布
  • DOI:
    10.12989/was.2015.20.5.701
  • 发表时间:
    2015-05
  • 期刊:
  • 影响因子:
    1.6
  • 作者:
    Hao Wang;Tianyou Tao;Teng Wu;Jianxiao Mao;Aiqun Li
  • 通讯作者:
    Aiqun Li
Wind power spectra for coastal area of East Jiangsu Province based on SHMS
基于SHMS的苏东沿海地区风功率谱
  • DOI:
    10.12989/was.2016.22.2.235
  • 发表时间:
    2016-02
  • 期刊:
  • 影响因子:
    1.6
  • 作者:
    Hao Wang;Tianyou Tao;Teng Wu
  • 通讯作者:
    Teng Wu
Experimental Study on the Seismic Behaviour of Mortise-Tenon Joints of the Ancient Timber
古木榫卯结构抗震性能试验研究
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    1.1
  • 作者:
    Ling-kun Chen;Sheng-cai Li;Yan-ting Wang;You-jun Zhao;Ming Zhang;Xingyu Song;Xiao-wei Li;Teng Wu;Li-zhong Jiang
  • 通讯作者:
    Li-zhong Jiang
A Unified Virtual Power Decoupling Method for Droop-Controlled Parallel Inverters in Microgrids
微电网下垂控制并联逆变器的统一虚拟功率解耦方法
  • DOI:
    10.1109/tpel.2015.2497972
  • 发表时间:
    2016-08
  • 期刊:
  • 影响因子:
    6.7
  • 作者:
    Teng Wu;Zeng Liu;Jinjun Liu;Shike Wang;Zhiyuan You
  • 通讯作者:
    Zhiyuan You
Experimental Study on Flow Conditions of Jiaogang Ship Lock during Sluice Gate Hoist
椒港船闸闸门启闭时水流工况试验研究
  • DOI:
    10.4028/www.scientific.net/amm.405-408.1458
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Teng Wu;Jian Ding
  • 通讯作者:
    Jian Ding

Teng Wu的其他文献

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{{ truncateString('Teng Wu', 18)}}的其他基金

Structural Response in Transient Winds of Hurricanes and Downbursts
飓风和下击暴流的瞬变风中的结构响应
  • 批准号:
    1537431
  • 财政年份:
    2015
  • 资助金额:
    $ 27.58万
  • 项目类别:
    Standard Grant

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