[1]张晓云,杨宇召,徐 诚.一种枪械射弹散布预测方法[J].弹道学报,2019,(03):24-29.[doi:10.12115/j.issn.1004-499X(2019)03-005]
 ZHANG Xiaoyun,YANG Yuzhao,XU Cheng.Prediction Technique for Dispersion of Gun[J].Journal Of Ballistics,2019,(03):24-29.[doi:10.12115/j.issn.1004-499X(2019)03-005]
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一种枪械射弹散布预测方法()
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《弹道学报》[ISSN:1004-499X/CN:32-1343/TJ]

卷:
期数:
2019年03期
页码:
24-29
栏目:
出版日期:
2019-09-30

文章信息/Info

Title:
Prediction Technique for Dispersion of Gun
文章编号:
1004-499X(2019)03-0024-06
作者:
张晓云杨宇召徐 诚
南京理工大学 机械工程学院,江苏 南京 210094
Author(s):
ZHANG XiaoyunYANG YuzhaoXU Cheng
School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China
关键词:
枪械 射弹散布 协同仿真 内弹道 外弹道
Keywords:
firearms projectile dispersion co-simulation internal ballistics external ballistics
分类号:
TJ201
DOI:
10.12115/j.issn.1004-499X(2019)03-005
摘要:
为了在设计阶段预测枪械的射弹散布,缩短研制周期,提出了一种基于协同仿真模型的枪械射弹散布预测方法。通过枪械随机内弹道模型、弹/枪相互作用模型和外弹道模型之间的参数传递,构建了枪械协同仿真模型。将随机内弹道模型计算得到的随机膛压变化值传递给弹/枪相互作用模型,使弹丸出膛时的质心初速偏角发生变化; 再将初速偏角值传递给外弹道模型,得到相应的射弹散布。仿真结果表明:弹丸质心速度的横向偏角较小,但纵向偏角最大可达到0.21°; 该协同仿真法得到的100 m立靶处射弹散布与实弹射击结果相比,误差小于13%,验证了该枪械射弹散布预测方法的准确性。
Abstract:
In order to predict the dispersion of gun during the design phase to decrease development period,the prediction technique based on co-simulation model was proposed. The co-simulation model was built by random internal ballistic model,barrel-bullet finite element model and external ballistic model. The connections of different models were built by transferring parameter. The chamber pressure in barrel-bullet finite element model was obtained from random internal ballistic model. The parameter in external ballistic model was obtained from barrel-bullet finite element model and internal ballistic model. The co-simulation results show that the max muzzle angle of bullet velocity can be up to 0.21° in the vertical direction,but the angle is smaller in the horizontal direction. The error of dispersion circle on the target at the 100 meter is less than 13%. The results agree well with the experimental results and verify the new prediction technique.

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备注/Memo

备注/Memo:
收稿日期:2019-01-11
基金项目:国家自然科学基金项目(51575279)
作者简介:张晓云(1989-),女,博士研究生,研究方向为枪械射击精度预测。E-mail:xyzhang531@163.com。通信作者:徐诚(1962-),男,教授,研究方向为武器新概念、新结构和原理。E-mail:xucheng62@mail.njust.edu.cn。
更新日期/Last Update: 2019-09-30