| 引用本文: | 甄明,杨乐平,张青斌.空间飞网地面碰撞试验与仿真.[J].国防科技大学学报,2018,40(5):171-176.[点击复制] |
| ZHEN Ming,YANG Leping,ZHANG Qingbin.Ground impact test and its simulation of space net[J].Journal of National University of Defense Technology,2018,40(5):171-176[点击复制] |
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| 空间飞网地面碰撞试验与仿真 |
| 甄明, 杨乐平, 张青斌 |
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(国防科技大学 空天科学学院， 湖南 长沙 410073)
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| 摘要: |
| 设计了空间飞网地面碰撞试验系统，并将碰撞试验结果与有限元仿真结果进行比较分析，对碰撞过程中的碰撞力和绳段内力进行分析。研究表明：试验结果与仿真结果吻合较好，这验证了仿真模型的有效性；飞网碰撞目标后产生的约束张力有利于收拢包裹目标；飞网的柔性特征可有效缓解碰撞效应，但碰撞区域绳段易产生断裂破坏。 |
| 关键词: 空间飞网 碰撞试验 仿真模型 碰撞效应 |
| DOI：10.11887/j.cn.201805025 |
| 投稿日期：2017-11-28 |
| 基金项目:国家自然科学基金资助项目（11272345） |
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| Ground impact test and its simulation of space net |
| ZHEN Ming, YANG Leping, ZHANG Qingbin |
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(College of Aeronautics and Astronautics, National University of Defense Technology, Changsha 410073, China)
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| Abstract: |
| A ground impact test of space net was designed and conducted. Then the simulation of ground test was established and the comparisons of ground test and simulation results were analyzed. The impact force and tether tension of space net during impact process were investigated based on the simulation. The results show that: the simulation results agree well with the ground test results, which indicates the reliability of simulation model; the constraining tension of space net during impact process can well make the space net close up and wrap the target; the flexibility of space net can well mitigate the impact response and the tethers in impact area are more likely to fracture during impact process. |
| Keywords: space net impact test simulation model impact response |
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