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Nonlinear dynamic characteristic analysis of jointed beam with clearance

机译：间隙节理梁的非线性动力特性分析

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摘要

The impact and elasticity of discontinuous beams with clearance frequently affect the dynamic response of structures used in space missions. This study investigates the dynamic response of jointed beams which are the periodic units of deployable structures. The vibration process of jointed beams includes free-play and impact stages. A method for the dynamic analysis of jointed beams with clearance is proposed based on mode superposition and instantaneous static deformation. Transfer matrix, which expresses the relationship of the responses before and after the impact of jointed beams, is derived to calculate the response of the jointed beams after a critical position. The dynamic responses of jointed beams are then simulated. The effects of various parameters on the displacement and velocity of beams are investigated.
机译：具有间隙的不连续梁的冲击和弹性通常会影响太空任务中使用的结构的动力响应。这项研究调查了节理梁的动态响应，节理梁是可展开结构的周期性单位。节理梁的振动过程包括自由运动和冲击阶段。提出了一种基于模态叠加和瞬时静变形的含间隙节理梁动力分析方法。导出表示连接梁撞击前后响应关系的传递矩阵，以计算临界位置后连接梁的响应。然后模拟了节理梁的动力响应。研究了各种参数对梁的位移和速度的影响。

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  • 来源
    《Acta astronautica》 |2016年第12期|135-146|共12页
  • 作者

    Zhang Jing; Guo Hong-Wei; Liu Rong-Qiang; Wu Juan; Kou Zi-Ming; Deng Zong-Quan;

  • 作者单位

    Taiyuan Univ Technol, Coll Mech Engn, Taiyuan 030024, Peoples R China;

    Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China;

    Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China;

    Res Ctr Mine Fluid Control, Shanxi Prov Engn Lab, Taiyuan 030024, Peoples R China;

    Res Ctr Mine Fluid Control, Shanxi Prov Engn Lab, Taiyuan 030024, Peoples R China;

    Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Deployable structure; Clearance; Impact; Nonlinear vibration;

    机译：可展开结构;间隙;冲击;非线性振动;

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