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柔性头颅模型撞击弹性板的动态响应分析

赵桂范 谭惠丰 杜星文

赵桂范, 谭惠丰, 杜星文. 柔性头颅模型撞击弹性板的动态响应分析[J]. 应用数学和力学, 2003, 24(3): 323-330.
引用本文: 赵桂范, 谭惠丰, 杜星文. 柔性头颅模型撞击弹性板的动态响应分析[J]. 应用数学和力学, 2003, 24(3): 323-330.
ZHAO Gui-fan, TAN Hui-fneg, DU Xing-wen. Method of Model Analysis for Flexible Head Impacting With Elastic Plane[J]. Applied Mathematics and Mechanics, 2003, 24(3): 323-330.
Citation: ZHAO Gui-fan, TAN Hui-fneg, DU Xing-wen. Method of Model Analysis for Flexible Head Impacting With Elastic Plane[J]. Applied Mathematics and Mechanics, 2003, 24(3): 323-330.

柔性头颅模型撞击弹性板的动态响应分析

详细信息
    作者简介:

    赵桂范(1962- ),女,吉林省松源市人,副教授,博士(E-mail:zhaoguifan@vip.sina.com).

  • 中图分类号: O322

Method of Model Analysis for Flexible Head Impacting With Elastic Plane

  • 摘要: 将柔性接触撞击过程处理为一个振动系统响应,采用机械网络图和求机械阻抗的方法解决了这一动态响应问题。柔性接触撞击模型考虑了头部的实际结构,把头部简化成撞击部位的头皮和头骨的质量、头部其它部分的头骨和脑液的质量、头部的刚度、头皮和脑液的阻尼系数组成的振动模型,弹性板也同样简化成由质量、刚度和阻尼构成的振动模型。采用求激振点速度阻抗的方法,得到了系统的动态撞击力、头部所受到的撞击加速度值,以及板的弹性变形、系统的固有频率等动态响应。实验数据与计算数据符合较好,证明方法是计算撞击作用下系统动态响应的实用方法,从而为头部撞击保护设计提供参考。
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出版历程
  • 收稿日期:  2001-09-18
  • 修回日期:  2002-10-10
  • 刊出日期:  2003-03-15

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