非线性能量阱减振的研究进展  

Research progress of nonlinear energy sink vibration reduction

作　　者：时成龙 张纪刚[1,2] 程赟 SHI Chenglong;ZHANG Jigang;CHENG Yun(School of Civil Engineering,Qingdao University of Technology,Qingdao 266033,China;Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone,Qingdao University of Technology,Qingdao 266033,China;Research Institute for National Defense Engineering of Academy of Military Sciences PLA China,Beijing 100036,China)

机构地区：[1]青岛理工大学土木工程学院,山东青岛266033 [2]山东省高等学校蓝色经济区工程建设与安全协同创新中心,山东青岛266033 [3]军事科学院国防工程研究院,北京100036

出　　处：《地震工程与工程振动》2021年第2期162-174,共13页Earthquake Engineering and Engineering Dynamics

基　　金：国家自然科学基金项目(51678321,51378271);国家重点研发计划重点专项(2017YFC0703600);山东省重点研发计划(2018GSF117029);国家自然科学基金重点国际合作项目(51420105015)。

摘　　要：结构振动的问题在海洋工程、航空航天和土木工程等领域普遍存在。建筑结构在地震、风等动力荷载作用下,会产生较大的振动响应,影响生活的舒适性,这就使得结构振动控制变得尤为重要。非线性能量阱(NES)具有宽频、频率鲁棒性高、构造简单的优点;文中综述了非线性能量阱(NES)技术在减振中的应用,主要包括非线性能量阱的减振模型、研究进展、工程中的应用进展、减振装置的参数优化以及试验装置的研发等,对非线性能量阱在不同状况的耗能过程进行了详细分析;针对非线性能量阱在动力学中的减振机制,分析了非线性能量阱比传统减振装置对主体结构耗能方面的优越性;最后,对非线性能量阱在结构减振中的应用和研究进行了总结和展望。The problem of structural vibration is common in Marine engineering,aerospace,civil engineering and other fields.Under the dynamic load of earthquake,wind and other forces,the building structure will have a large vibration response,affecting the comfort of life,which makes the control of structural vibration become particularly important.Nonlinear energy sink(NES)has the advantages of broadband,high frequency robustness,and simple construction.In this paper,the application of nonlinear energy sink(NES)technology in vibration reduction is summarized,mainly including the vibration reduction model of nonlinear energy sink research progress,application progress in engineering,parameter optimization of vibration reduction device,research and development of test device,etc.The energy dissipation process of nonlinear energy sink in different conditions is analyzed in detail.Aiming at the vibration damping mechanism of nonlinear energy sink in dynamics,the advantage of nonlinear energy sink in energy dissipation of main structure is analyzed compared with traditional vibration absorber.Finally,the application and research of nonlinear energy sink in vibration reduction of structures are summarized and prospected.

关 键 词：非线性能量阱 减振模型 参数优化 耗能减振 试验装置 

分 类 号：TU317[建筑科学—结构工程] TU352.1