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缘板阻尼结构减振特性的影响因素分析

阳刚 周标 臧朝平 陈俊杰

阳刚, 周标, 臧朝平, 陈俊杰. 缘板阻尼结构减振特性的影响因素分析[J]. 航空动力学报, 2019, 34(1): 115-124. doi: 10.13224/j.cnki.jasp.2019.01.014
引用本文: 阳刚, 周标, 臧朝平, 陈俊杰. 缘板阻尼结构减振特性的影响因素分析[J]. 航空动力学报, 2019, 34(1): 115-124. doi: 10.13224/j.cnki.jasp.2019.01.014
Analysis of effect factors on damping characteristics for underplatform dampers[J]. Journal of Aerospace Power, 2019, 34(1): 115-124. doi: 10.13224/j.cnki.jasp.2019.01.014
Citation: Analysis of effect factors on damping characteristics for underplatform dampers[J]. Journal of Aerospace Power, 2019, 34(1): 115-124. doi: 10.13224/j.cnki.jasp.2019.01.014

缘板阻尼结构减振特性的影响因素分析

doi: 10.13224/j.cnki.jasp.2019.01.014
基金项目: 国家自然科学基金(51405460);江苏省自然科学基金(BK20161485)

Analysis of effect factors on damping characteristics for underplatform dampers

  • 摘要: 基于简化的叶片-缘板阻尼结构模型,开展缘板阻尼结构干摩擦阻尼减振特性的计算分析。阐述了谐波平衡法预测叶片响应的基本原理,并提出了一种基于离散傅里叶变换的雅克比矩阵快速计算方法,结果表明:该方法能够实现谐波平衡法的加速,并使叶片响应计算效率提高8倍以上。在此基础上,重点探究了离心力、缘板阻尼块质量、激振力、缘板倾斜角及缘板阻尼块转动等因素对叶片响应特性的影响,并总结上述关键设计参数对叶片-缘板阻尼结构减振特性的影响规律。

     

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出版历程
  • 收稿日期:  2017-12-05
  • 刊出日期:  2019-01-28

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