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HUANG Xichun, CHEN Meixia. 铺板连接结构减振设计分析[J]. Chinese Journal of Ship Research, 2012, 7(4): 54-62. DOI: 10.3969/j.issn.1673-3185.2012.04.010
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HUANG Xichun, CHEN Meixia. 铺板连接结构减振设计分析[J]. Chinese Journal of Ship Research, 2012, 7(4): 54-62. DOI: 10.3969/j.issn.1673-3185.2012.04.010
HUANG Xichun, CHEN Meixia. 铺板连接结构减振设计分析[J]. Chinese Journal of Ship Research, 2012, 7(4): 54-62. DOI: 10.3969/j.issn.1673-3185.2012.04.010
Citation:
HUANG Xichun, CHEN Meixia. 铺板连接结构减振设计分析[J]. Chinese Journal of Ship Research, 2012, 7(4): 54-62. DOI: 10.3969/j.issn.1673-3185.2012.04.010
铺板连接结构减振设计分析
HUANG Xichun
,
CHEN Meixia
Graphical Abstract
Graphical Abstract
Abstract
Abstract
为控制机械振动向船体结构传递,基于不均质结构振动隔离原理,对铺板连接结构进行减振设计。采用有限元方法建立各设计方案的计算模型,进行激励源在铺板不同位置工况下的动响应分析,对比各方案的减振效果并开展缩比模型试验。分析结果表明,U形连接结构对抑制振动从铺板向圆柱壳体传递效果较好;适当减小连接板厚度,减振效果呈增加的趋势。缩比模型测试结果显示,U形连接结构在2 Hz~4 kHz频段有大于4dB的减振效果,仿真计算结果与试验结果吻合较好。
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