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Zhang Jiming, Peng Weicai, Liu Yan, Wang Hao, Shao Hanlin. 弹性安装设备等效总激励力的计算方法研究[J]. Chinese Journal of Ship Research, 2011, 6(6): 54-57,65. DOI: 10.3969/j.issn.1673-3185.2011.06.011
Citation:
Zhang Jiming, Peng Weicai, Liu Yan, Wang Hao, Shao Hanlin. 弹性安装设备等效总激励力的计算方法研究[J]. Chinese Journal of Ship Research, 2011, 6(6): 54-57,65. DOI: 10.3969/j.issn.1673-3185.2011.06.011
Zhang Jiming, Peng Weicai, Liu Yan, Wang Hao, Shao Hanlin. 弹性安装设备等效总激励力的计算方法研究[J]. Chinese Journal of Ship Research, 2011, 6(6): 54-57,65. DOI: 10.3969/j.issn.1673-3185.2011.06.011
Citation:
Zhang Jiming, Peng Weicai, Liu Yan, Wang Hao, Shao Hanlin. 弹性安装设备等效总激励力的计算方法研究[J]. Chinese Journal of Ship Research, 2011, 6(6): 54-57,65. DOI: 10.3969/j.issn.1673-3185.2011.06.011
弹性安装设备等效总激励力的计算方法研究
Zhang Jiming
,
Peng Weicai
,
Liu Yan
,
Wang Hao
,
Shao Hanlin
Graphical Abstract
Abstract
Abstract
针对弹性安装条件下多机脚设备总激励力估算繁琐的问题,提出一种设备等效激励力的计算方法。该方法将弹性安装的多机脚设备等效为只有一个机脚支撑的设备,将原有的多个隔振器简化为一个具有有效总阻抗的隔振器,利用原机脚隔振器上下端的响应与隔振器的有效总阻抗估算出的激励力,即可等效为该设备的总激励力。为验证该方法的准确性,利用该方法对某船用设备振动激励力进行估算。实验数据分析表明,在临界频率以内,可以忽略隔振器之间的耦合,估算值与实际测量值之间的误差小于5 dB,满足工程要求。
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