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叠层板状结构的非线性振动特性分析

Study of vibration characteristics of a nonlinear parallel-plate assemblies
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摘要 采用振荡流作用下的两端简支板状结构为研究对象,引入多尺度的方法分析,得到非线性刚度通过相位差间接影响振幅的增加,同时振幅与质量比和流速成正比,与阻尼系数和板长成反比的结论。 Parallel-plate assemblies are selected as the main research subjects in pulsating flow.The results obtained with multi-scale theory show that the nonlinear stiffness can indirectly affect the vibration amplitude via phase difference,and that the amplitude is directly proportional to the mass ratio and flow velocity,and inversely proportional to damping coefficient and plate length.
作者 付超
出处 《山西建筑》 2011年第19期29-30,共2页 Shanxi Architecture
基金 河南省高等学校青年骨干教师资助计划项目(项目编号:2008083) 河南省教育厅自然科学基础研究计划项目(项目编号:2008B560012) 信阳师范学院青年科研基金(项目编号:200943 20070210)
关键词 板状结构 多尺度 非线性 相位 振幅 parallel-plate assemblies multi-scale theory nonlinear phase amplitude
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