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Viacheslav MASLOV, Igor GRUSHETSKY. 梁系统计能量分析中传输波的影响J. Chinese Journal of Ship Research, 2014, 9(5): 1-7,14. DOI: 10.3969/j.issn.1673-3185.2014.05.001
Citation:
Viacheslav MASLOV, Igor GRUSHETSKY. 梁系统计能量分析中传输波的影响J. Chinese Journal of Ship Research, 2014, 9(5): 1-7,14. DOI: 10.3969/j.issn.1673-3185.2014.05.001
Viacheslav MASLOV, Igor GRUSHETSKY. 梁系统计能量分析中传输波的影响J. Chinese Journal of Ship Research, 2014, 9(5): 1-7,14. DOI: 10.3969/j.issn.1673-3185.2014.05.001
Citation:
Viacheslav MASLOV, Igor GRUSHETSKY. 梁系统计能量分析中传输波的影响J. Chinese Journal of Ship Research, 2014, 9(5): 1-7,14. DOI: 10.3969/j.issn.1673-3185.2014.05.001
梁系统计能量分析中传输波的影响
Viacheslav MASLOV
,
Igor GRUSHETSKY
Abstract
Abstract
机械系统中激励源传出的波将沿传输路径衰减,并会经由含源子系统边界传递出去,因而只有输入功率的残余部分以混响场的形式消耗在该子系统内。为提高应用统计能量分析法(SEA)计算振动噪声的精度,对上述过程进行深入分析,并以一个简单梁系为例,给出传入该梁系的输入功率的表达式。分析结果表明,传输波对计算结果的影响随着损耗因子的增加而增加。同时,分析将传输波的影响计入诸如舰船这种复杂空间结构的实际可行性。估算结果表明,仅对含源子结构考虑传输波的影响是充分可行的。
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