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요약정보
管路结构振动能量传递规律研究 / Vibrational energy attenuation between two pipelines
Resource Type
Academic Journal
Authors
李正阳
;
车驰东
;
胡凡
;
LI Zheng-yang
;
CHE Chi-dong
;
HU Fan
Source
舰船科学技术 / Ship Science and Technology
. 41(2):56-84
Subject
波分析法
管路
纵弯耦合振动
Language
Chinese
ISSN
1672-7649
Online Access
Find it @ DONGA
초록
为研究管路系统中振动能量的传递规律,建立了2根半无限长管道结构的纵弯耦合振动模型,基于波分析法,分别研究了2根管道在各类不同的连接边界条件下,弯曲波振动传递规律.引入无量纲系数,简化方程组,推导出弯曲波入射时在不同边界条件下的反射及透射系数.通过数值分析得到了弯曲波入射条件下,参数变化对振动能量传递规律的影响,研究结果表明两管连接刚度主要影响高频振动,两管夹角主要影响低频振动,扭转刚度会使振动能量曲线产生波谷,且当扭转刚度值较低时,对低频振动影响较大,计算结果对管路结构在不同工况下连接参数的选择具有指导作用.
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