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航空发动机叶片-机匣碰摩过程的数值模拟

刘书国 洪杰 陈萌

刘书国, 洪杰, 陈萌. 航空发动机叶片-机匣碰摩过程的数值模拟[J]. 航空动力学报, 2011, 26(6): 1282-1288.
引用本文: 刘书国, 洪杰, 陈萌. 航空发动机叶片-机匣碰摩过程的数值模拟[J]. 航空动力学报, 2011, 26(6): 1282-1288.
LIU Shu-guo, HONG Jie, CHEN Meng. Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact[J]. Journal of Aerospace Power, 2011, 26(6): 1282-1288.
Citation: LIU Shu-guo, HONG Jie, CHEN Meng. Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact[J]. Journal of Aerospace Power, 2011, 26(6): 1282-1288.

航空发动机叶片-机匣碰摩过程的数值模拟

Numerical simulation of the dynamic process of aero-engine blade-to-case rub-impact

  • 摘要: 提出了基于隐式-显式相结合的积分方法对航空发动机叶片-机匣碰摩过程进行数值模拟,充分考虑了结构的低频线性稳态响应和碰摩引起的高频非线性瞬态响应.以某高压涡轮结构为例,仿真叶片-机匣碰摩的瞬态动力学过程,分析叶片的动力响应特征.研究结果表明:叶片-机匣碰摩过程中将产生影响应力分布的应力波并在叶身传导,碰摩结束后叶片将以低阶固有模态频率进行振动衰减.

     

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出版历程
  • 收稿日期:  2010-11-04
  • 修回日期:  2011-03-02
  • 刊出日期:  2011-06-28

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