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盘鼓螺栓连接结构接触刚度建模与应用检验

赵广 王永泉 赵向阳 李盛翔 滕光蓉

赵广, 王永泉, 赵向阳, 李盛翔, 滕光蓉. 盘鼓螺栓连接结构接触刚度建模与应用检验[J]. 航空动力学报, 2022, 37(1): 76-86. doi: 10.13224/j.cnki.jasp.20210065
引用本文: 赵广, 王永泉, 赵向阳, 李盛翔, 滕光蓉. 盘鼓螺栓连接结构接触刚度建模与应用检验[J]. 航空动力学报, 2022, 37(1): 76-86. doi: 10.13224/j.cnki.jasp.20210065
ZHAO Guang, WANG Yongquan, ZHAO Xiangyang, LI Shengxiang, TENG Guangrong. Modeling and application test of contact stiffness of bolt connection structure of disk and drum[J]. Journal of Aerospace Power, 2022, 37(1): 76-86. doi: 10.13224/j.cnki.jasp.20210065
Citation: ZHAO Guang, WANG Yongquan, ZHAO Xiangyang, LI Shengxiang, TENG Guangrong. Modeling and application test of contact stiffness of bolt connection structure of disk and drum[J]. Journal of Aerospace Power, 2022, 37(1): 76-86. doi: 10.13224/j.cnki.jasp.20210065

盘鼓螺栓连接结构接触刚度建模与应用检验

doi: 10.13224/j.cnki.jasp.20210065
基金项目: 国家自然科学基金(12172073); 中央高校基本科研业务费专项资金(DUT16JJ(G04)); 国家科技重大专项(779608000000200007)
详细信息
    作者简介:

    赵广(1981-),男,副教授、博士生导师,博士,研究领域为转子动力学与接触力学。

  • 中图分类号: V232.7

Modeling and application test of contact stiffness of bolt connection structure of disk and drum

  • 摘要: 针对航空发动机中盘鼓转子螺栓连接结构连接刚度精确建模与工程化应用问题,通过扇形盘鼓螺栓结构固有特性实验获得前6阶固有频率随螺栓预紧力变化关系,考虑螺栓接触面应力分布,基于双薄层单元法获得了扇形盘鼓螺栓连接结构各阶固有频率随薄层单元弹性模量变化规律。通过构建实验与仿真结果误差函数实现接触刚度的识别,并将接触刚度模型推广应用于整圈盘鼓螺栓连接结构中,检验了模型的有效性和通用性。结果表明:基于单螺栓连接的扇形盘鼓结构固有频率测试与仿真建立的接触刚度模型,接触刚度平均识别误差为2.40%,将其应用于整圈盘鼓转子螺栓连接结构中时,仿真与实验平均误差为4.10%,检验了提出的接触刚度模型的普适性。

     

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出版历程
  • 收稿日期:  2021-02-09
  • 刊出日期:  2022-01-28

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