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Qian Dejin, Miao Xuhong, Jia Di, Wang Xueren. 刚性阻振质量阻隔振动波传递特性数值研究[J]. Chinese Journal of Ship Research, 2010, 5(5): 22-26,33. DOI: 10.3969/j.issn.1673-3185.2010.05.005
Citation:
Qian Dejin, Miao Xuhong, Jia Di, Wang Xueren. 刚性阻振质量阻隔振动波传递特性数值研究[J]. Chinese Journal of Ship Research, 2010, 5(5): 22-26,33. DOI: 10.3969/j.issn.1673-3185.2010.05.005
Qian Dejin, Miao Xuhong, Jia Di, Wang Xueren. 刚性阻振质量阻隔振动波传递特性数值研究[J]. Chinese Journal of Ship Research, 2010, 5(5): 22-26,33. DOI: 10.3969/j.issn.1673-3185.2010.05.005
Citation:
Qian Dejin, Miao Xuhong, Jia Di, Wang Xueren. 刚性阻振质量阻隔振动波传递特性数值研究[J]. Chinese Journal of Ship Research, 2010, 5(5): 22-26,33. DOI: 10.3969/j.issn.1673-3185.2010.05.005
刚性阻振质量阻隔振动波传递特性数值研究
Qian Dejin
,
Miao Xuhong
,
Jia Di
,
Wang Xueren
Graphical Abstract
Graphical Abstract
Abstract
Abstract
基于阻抗失配原理,从波动角度分析了刚性阻振质量阻隔振动波传递的特性,并利用有限元法数值研究了重量及截面形状参数对刚性阻振质量隔振性能的影响。结果表明:刚性阻振质量能有效隔离中高频振动波的传递,且其重量越大,隔振效果越好,而对低频振动波则几乎不起隔离作用;对于矩形截面的刚性阻振质量,适当增大其截面高度同时减小截面宽度,可有效提高刚性阻振质量的隔振降噪效果,这对刚性阻振质量在船体结构减振降噪中的应用具有一定的参考意义。
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