[1]张中利,于存贵,马大为,等.复合材料定向管动力响应及优化分析[J].南京理工大学学报(自然科学版),2009,(03):315-319.
 ZHANG Zhong-li,YU Cun-gui,MA Da-wei,et al.Dynamic Response and Optimization for Composites Directional Tube[J].Journal of Nanjing University of Science and Technology,2009,(03):315-319.
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复合材料定向管动力响应及优化分析
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2009年03期
页码:
315-319
栏目:
出版日期:
2009-06-30

文章信息/Info

Title:
Dynamic Response and Optimization for Composites Directional Tube
作者:
张中利1 于存贵2 马大为2 乐贵高2
1. 河南科技大学车辆动力工程学院, 河南洛阳471003; 2. 南京理工大学机械工程学院, 江苏南京210094
Author(s):
ZHANG Zhong-li1YU Cun-gui2MA Da-wei2LE Gui-gao2
1.School of Vehicle and Power Engineering,Henan University of Science and Technology,Luoyang 471003,China;2.School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
复合材料 定向管 动力有限元法 响应
Keywords:
composites directional tubes dynamic finite element method response
分类号:
TJ393
摘要:
为掌握复合材料定向管的动态力学性能,了解复合材料定向管动力响应的应力、应变和变形位移情况,建立了复合材料定向管受载的力学模型,利用动力有限元法仿真计算了火箭弹的发射过程,然后对定向管壁厚值进行了对比优化分析。结果表明:动力有限元法是有效的仿真计算方法,复合材料定向管在发射开始阶段产生的响应应力和应变较大,后端产生的响应应力和变形位移比前端大,确定的合理壁厚值范围为3.6~4.1mm。该研究为某火箭炮复合材料定向管的研制提供了参考。
Abstract:
In order to hold the dynamic mechanical performance of composites directional tube and understand the dynamic response results of stress,strain and deformation displacement for composites directional tube,a mechanical model of bearing load of composites directional tube is established.A simulation model of rocket projectile launch process is established and simulation calculation is done with dynamic finite element method.Optimization analysis by comparison is done for the thickness values of directional tube wall.The results indicate that the dynamic finite element method is an effective approach for simulation calculation,the response stress and strain of composites directional tube are bigger at the start stage of launch,and that the response stress and deformation displacement of composites directional tube end is bigger than forepart.The rational range of thickness values of directional tube wall is from 3.6mm to 4.1mm.The study provides references for research and manufacture of composites directional tube of some rocket launcher.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 张中利( 1969- ) , 男, 博士, 讲师, 主要研究方向: 结构动力学, E-m a il:zhangzhong li105@ 163. com。
更新日期/Last Update: 2012-11-19