| 复合材料定向管动力响应及优化分析 |
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| 引用本文： | 张中利,于存贵,马大为,乐贵高.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),2009,33(3). |
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| 作者姓名： | 张中利 于存贵 马大为 乐贵高 |
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| 作者单位： | 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 |
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| 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.
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| 关 键 词： | 复合材料 定向管 动力有限元法 响应 |
Dynamic Response and Optimization for Composites Directional Tube |
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| ZHANG Zhong-li,YU Cun-gui,MA Da-wei,LE Gui-gao.Dynamic Response and Optimization for Composites Directional Tube[J].Journal of Nanjing University of Science and Technology(Nature Science),2009,33(3). |
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| Authors: | ZHANG Zhong-li YU Cun-gui MA Da-wei LE Gui-gao |
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| Institution: | 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 |
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| 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 tu... |
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| Keywords: | composites directional tubes dynamic finite element method response |
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