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填充式防护结构弹道极限方程的多指标寻优

贾光辉 欧阳智江 蒋辉 李轩

贾光辉, 欧阳智江, 蒋辉, 等 . 填充式防护结构弹道极限方程的多指标寻优[J]. 北京航空航天大学学报, 2013, 39(12): 1573-1577,1583.
引用本文: 贾光辉, 欧阳智江, 蒋辉, 等 . 填充式防护结构弹道极限方程的多指标寻优[J]. 北京航空航天大学学报, 2013, 39(12): 1573-1577,1583.
Jia Guanghui, Ouyang Zhijiang, Jiang Hui, et al. Multiple indicators optimization for stuffed Whipple shield ballistic limit equation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1573-1577,1583. (in Chinese)
Citation: Jia Guanghui, Ouyang Zhijiang, Jiang Hui, et al. Multiple indicators optimization for stuffed Whipple shield ballistic limit equation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(12): 1573-1577,1583. (in Chinese)

填充式防护结构弹道极限方程的多指标寻优

基金项目: 国家空间碎片专题资助项目(K020110-1/3/6)
详细信息
  • 中图分类号: V423.4+3

Multiple indicators optimization for stuffed Whipple shield ballistic limit equation

  • 摘要: 为获得适用于国内填充式防护结构超高速撞击的弹道极限方程,采用多指标寻优的方法,对NASA填充式防护结构的弹道极限方程以国内实验数据为依据进行修正.结果发现:采用第1类指标(总体预测率和安全预测率)和第2类指标(预测误差平方和)联合对方程的系数进行修正,可获得预测效果更好的修正方程.通过对方程低速段和高速段的整体系数进行修正,最终获得单填充组、单一材料的双填充组以及两种材料的双填充组防护结构弹道极限方程的总体预测率分别为93.3%,90%和88.9%,而安全预测率全部高达100%,可很好满足工程的需求.可见,基于不同填充式防护结构的实验数据分别进行弹道极限方程的修正,可获得相应结构预测能力较优的方程.

     

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出版历程
  • 收稿日期:  2013-01-18
  • 网络出版日期:  2013-12-30

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