| 舰船高传递损失基座振动波传递特性 |
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| 引用本文： | 计方,姚熊亮.舰船高传递损失基座振动波传递特性[J].工程力学,2011(3):240-244,250. |
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| 作者姓名： | 计方 姚熊亮 |
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| 作者单位： | 哈尔滨工程大学船舶工程学院; |
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| 基金项目： | 国家自然科学基金项目(50779007); 国际科技合作项目(2007DFR80340) |
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| 摘 要： | 基于波动理论,根据阻抗失配和波形转换原理,分析了不同基座连接结构中振动波传递特性,给出了隔振性能随基座板架厚度比及频率变化规律.接着讨论了阻振质量偏心布置对其隔振性能的影响,给出了偏心阻振质量对基座振动波传递的阻抑公式.在理论分析基础上,将高传递损失的基座连接结构延拓到基座面板、腹板和安装板架中,综合运用阻振质量以及贴...
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| 关 键 词： | 振动波传递 基座连接结构 阻振质量 高传递损失 结构声学设计 |
THE CHARACTERISTICS OF VIBRATION WAVE PROPAGATION FROM SHIP HIGH TRANSMISSION LOSS BASE STRUCTURES |
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| JI Fang,YAO Xiong-liang.THE CHARACTERISTICS OF VIBRATION WAVE PROPAGATION FROM SHIP HIGH TRANSMISSION LOSS BASE STRUCTURES[J].Engineering Mechanics,2011(3):240-244,250. |
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| Authors: | JI Fang YAO Xiong-liang |
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| Affiliation: | *JI Fang,YAO Xiong-liang(College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | According to impedance mismatch and wave conversion,the characteristics of vibration wave propagation from different base link structures are analyzed through wave theory.The regularity of vibration isolation performance with the plate's thickness ratio and frequency is also given.Meanwhile the isolation performance of blocking masses eccentric location is discussed,the formula of impeding base vibration wave transmission is deduced.Furthermore,the high transmission loss link structures are introduced to th... |
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| Keywords: | vibration wave propagation base link structures blocking masses high transmission loss structure acoustic design |
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