| 基于原始响应的复杂结构抑振设计 |
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| 引用本文： | 李岳锋
,胡海岩
,吴永健.基于原始响应的复杂结构抑振设计[J].南京航空航天大学学报,1987(4). |
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| 作者姓名： | 李岳锋 胡海岩 吴永健 |
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| 摘 要： | 本文用主次结构动态综合的观点来研究复杂结构的抑振设计问题。提出了一种简便实用的设计方法,它不需主结构的激励信息,可直接依据原结构的响应及少数点上的频响函数在现场实施。文中以吸振设计为例,简便地导出了一般结构局部及,全局完全消振的条件,讨论了宽频带响应的吸振问题。最后以计算机模拟及自由梁的抑振实验证实了文中结果。
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| 关 键 词： | 结构振动 频率响应 结构设计 振动抑制 |
Vibration Attenuation of Complicated Structures Based on Their Response |
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| Li Yuefeng Hu Haiyan Wu Yongjian.Vibration Attenuation of Complicated Structures Based on Their Response[J].Journal of Nanjing University of Aeronautics & Astronautics,1987(4). |
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| Authors: | Li Yuefeng Hu Haiyan Wu Yongjian |
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| Institution: | Li Yuefeng Hu Haiyan Wu Yongjian |
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| Abstract: | The design for attenuatiog vibration of complicated structures is investigated from the standpoint of dynamic synthesis of primary system with a secondary one. Based on the responses of a structure and its frequency res-pons efunctions at a few points,the design can be mad'e in the site,without any information about the excitation.The design of vibration absorption, taken as an example, is mainly concerned. The paper presents the conditions, under which the vibration of a structure is partially or completely sup-presd, and deals with absorption of broad-band vibration. Finally, the results are verified by means of computer simulation and an attenuation experiment of a vibrating beam. |
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| Keywords: | structural vibration frequency response structural design vibration attenuation |
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