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航空发动机螺栓连接薄层单元建模方法

姚星宇 王建军 翟学

姚星宇, 王建军, 翟学等 . 航空发动机螺栓连接薄层单元建模方法[J]. 北京航空航天大学学报, 2015, 41(12): 2269-2279. doi: 10.13700/j.bh.1001-5965.2014.0796
引用本文: 姚星宇, 王建军, 翟学等 . 航空发动机螺栓连接薄层单元建模方法[J]. 北京航空航天大学学报, 2015, 41(12): 2269-2279. doi: 10.13700/j.bh.1001-5965.2014.0796
YAO Xingyu, WANG Jianjun, ZHAI Xueet al. Modeling method of bolted joints of aero-engine based on thin-layer element[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2269-2279. doi: 10.13700/j.bh.1001-5965.2014.0796(in Chinese)
Citation: YAO Xingyu, WANG Jianjun, ZHAI Xueet al. Modeling method of bolted joints of aero-engine based on thin-layer element[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2269-2279. doi: 10.13700/j.bh.1001-5965.2014.0796(in Chinese)

航空发动机螺栓连接薄层单元建模方法

doi: 10.13700/j.bh.1001-5965.2014.0796
详细信息
    作者简介:

    姚星宇(1986-),男,四川德阳人,博士研究生,yaoxingyu@buaa.edu.cn

    通讯作者:

    王建军(1956-),男,江苏苏州人,教授,wangjianjun@buaa.edu.cn,研究方向为航空发动机强度与振动.

  • 中图分类号: V232.7

Modeling method of bolted joints of aero-engine based on thin-layer element

  • 摘要: 螺栓连接广泛应用于航空发动机结构中,对航空发动机动力特性有重要影响.薄层单元法能够很好地模拟复杂连接结构并保持结构完整性.以薄层单元法为基础,给出航空发动机螺栓连接结构薄层单元法参数化建模原理,研究薄层单元材料参数对螺栓连接刚度的影响规律,并从理论推导出发确定薄层单元相关材料参数,最后将该方法应用到实际结构中,并与精细有限元模型结果对比,从而验证薄层单元法的正确性和应用前景.研究结果表明:薄层单元法能够很好地模拟航空发动机螺栓连接结构;对轴向、弯曲刚度起决定作用的是薄层单元轴向弹性模量,对剪切刚度起决定作用的是薄层单元xy、xz平面的剪切模量;薄层单元材料参数能够用螺栓连接结构参数示出.

     

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出版历程
  • 收稿日期:  2014-12-17
  • 修回日期:  2015-03-13
  • 刊出日期:  2015-12-20

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