摘要
高能同步辐射光源对结构振动敏感,试验平台防微振性能要求高,动力设备与机电管道等内源激励的影响不可忽略。在综合考虑结构选型、地基基础刚度、结构减隔振措施的基础上,通过典型动力设备的现场监测获取内源特征振动,建立了一套适用于高精度中试车间内源激励下微振响应分析的精细化有限元仿真方法。基于所述方法,开展了南方光源研究测试平台高精度中试车间内源激励下的微振响应分析,明确了内源激励下试验平台的加速度、速度与位移响应,揭示了试验平台微振响应的较不利区域,有利于试验平台防微振性能评价标准与设备减隔振方案的制定,相关成果可为未来南方先进光源的工程建设与防微振控制提供参考。
The high-energy synchrotron light source is sensitive to structural vibration, and the test platform requires high anti-vibration performance. The influence of internal excitation such as power equipment and electromechanical pipelines cannot be ignored. On the basis of comprehensive consideration of structure selection, foundation stiffness, and structural vibration isolation measures, the endogenous characteristic vibration is obtained through on-site monitoring of typical power equipment, and a finite element simulation method for micro-vibration of high-precision pilot plant under internal excitation is established. Based on the above method, the fretting response analysis of the high-precision pilot workshop of the Nanfang Light Source Research and Test Platform under the internal excitation was carried out, the acceleration,velocity and displacement responses of the test platform were clarified, and the micro-vibration response of the test platform was revealed. It is beneficial to the formulation of the evaluation standard for the anti-vibration performance of the test platform and the vibration reduction and isolation scheme of the equipment. The relevant results can provide a reference for the engineering construction and anti-fretting control of the Nanfang Advanced Light Source project in the future.
作者
黄毫春
卓林园
侯颖鑫
郑愚
邸博
刘良坤
潘兆东
唐粤
HUANG Haochun;ZHUO Linyuan;HOU Yingxin;ZHENG Yu;DI Bo;LIU Liangkun;PAN Zhaodong;TANG Yue(Guangdong Zhongshi Construction Co.,Ltd.,Dongguan 523000,China;China Construction Fifth Engineering Division Co.,Ltd.,Changsha 410114,China;School of Environment and Civil Engineering,Dongguan University of Technology,Dongguan 523808,China)
出处
《建筑结构》
CSCD
北大核心
2022年第S02期299-308,共10页
Building Structure
基金
国家重点研发计划重点专项(2019YFC1511004)
广东省基础与应用基础研究基金(2020A1515110573)
东莞理工学院科研启动专项经费项目(GC300502-31)
关键词
同步辐射光源
内源激励
振动监测
微振响应
有限元分析
synchrotron light source
internal excitation
vibration monitoring
micro-vibration response
FEA
作者简介
第一作者:黄毫春,学士,高级工程师,主要从事结构工程,Email:66321146@qq.com;通信作者:邸博,博士,副教授,硕士生导师,主要从事结构工程,Email:dibo@dgut.edu.cn。
