弹道修正引信隔转平台缓冲保护特性研究
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摘要
基于弹道修正引信发射时的轴向高过载条件以及引信中隔转平台的缓冲结构特点,建立了缓冲动力学模型;利用Ansys/LS-DYNA对弹道修正引信隔转平台进行动力学仿真分析,根据隔转平台中易故障部件的应力分布评估其缓冲保护特性;并设立了多个仿真组,对比分析了不同缓冲结构、缓冲材料以及材料参数对隔转平台缓冲保护性能的影响;根据仿真结果得出采用多垫缓冲结构的隔转平台缓冲保护特性更好,同时通过优化缓冲垫的材料以及材料参数进一步提高了隔转平台的缓冲保护能力。
Based on the axial high overload condition for trajectory correction fuze and the buffer structure of the bypass platform, the buffer dynamic model is established. The dynamic simulation analysis of the trajectory correction fuze platform is carried out by ANSYS/LS-DYNA. The cushioning characteristics are evaluated according to the stress distribution of the faulty parts in the platform. The influence of different buffer structures, cushioning materials and material parameters on the buffer protection performance of the platform is compared and analyzed. According to the simulation results, it is concluded that the buffer protection effect of the multi-cushion buffer structure is better, and the buffer protection capability of the platform is further improved by optimizing the material and material parameters of the cushion.
Based on the axial high overload condition for trajectory correction fuze and the buffer structure of the bypass platform, the buffer dynamic model is established. The dynamic simulation analysis of the trajectory correction fuze platform is carried out by ANSYS/LS-DYNA. The cushioning characteristics are evaluated according to the stress distribution of the faulty parts in the platform. The influence of different buffer structures, cushioning materials and material parameters on the buffer protection performance of the platform is compared and analyzed. According to the simulation results, it is concluded that the buffer protection effect of the multi-cushion buffer structure is better, and the buffer protection capability of the platform is further improved by optimizing the material and material parameters of the cushion.
引文
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[15] 汪建锋, 张杰, 张毅.高过载条件下弹丸材料所受应力的数值仿真[J]. 兵器材料科学与工程, 2009, 32(1): 34-37.WANG JianFeng, ZHANG Jie, ZHANG Yi. Numerical simulation of the stress experienced by the projectile under high overload conditions[J]. Journal of Materials Science and Engineering, 2009,32 (1): 31-33 (In Chinese).
[16] 钱立志, 李俊, 宁全利.高过载环境下弹载器件结构动态响应研究[J]. 科技导报, 2011, 29(1): 40-43.QIAN LiZhi, LI Jun, NING QuanLi. Study on dynamic response of missile-load device structure under high overload environment [J]. Technology Herald, 2011,29(1):40-43 (In Chinese).
[17] 程文娟, 白真, 何宁.基于有限元算法的惯导缓冲减振机构设计[J]. 弹箭与制导学报, 2014, 34(6): 47-50.CHENG WenJuan, BAI Zhen, HE Ning. Design of inertial cushion damping mechanism based on finite element method[J]. Journal of Projectiles, Rockets and Guidance, 2014, 34(6):47-50 (In Chinese).
[2] 杨晓明. 制导炮弹末段修正系统设计与研究[D].太原:中北大学, 2012: 1-7.YANG Xiaoming. Design and Research of Terminal Correction System for Guided Projectile[D].Taiyuan:North University of China, 2012:1-7 (In Chinese).
[3] 贺形禅, 王晓鸣. 弹载滚转稳定平台关键技术研究[D].南京:南京理工大学, 2008: 1-3.HE Zen, WANG XiaoMing. Study on the key technology of ballistic stability platform[D]. Nanjing:Nanjing University of Science and Technology, 2008:1-3 (In Chinese).
[4] 胡陈君. 弹载小型抗高过载微惯性测量系统设计[D]. 太原:中北大学, 2015: 18-21.HU ChenJun. Design of small-load anti-high-load micro inertial measurement system [D]. Taiyuan:Journal of North China University,2015:18-21 (In Chinese).
[5] 王成林, 张之敬, 黄润华,等.新型锰铜合金圆环类部件动力学特性测试研究[J]. 机械强度, 2006, 28(3): 343-346.WANG ChengLin, ZHANG ZhiJing, HUANG RunHua,et al. Study on dynamic characteristics of new manganese-copper alloy ring parts [J]. Journal of Mechanical Strength, 2006,28 (3): 343-346 (In Chinese).
[6] 景鹏. 高g值冲击测试关键技术研究[D]. 太原:中北大学, 2009: 30-35.JING Peng. Study on key technology of high g value impact test[D]. Taiyuan:North China University, 2009:30-35 (In Chinese).
[7] 靳书云, 靳鸿, 张艳兵,等. 抗高冲击弹载记录仪[J]. 火力与指挥控制, 2014, 39(3): 1731-1733.JIN ShuYun, JIN Hong, ZHANG YanBing,et al.Anti-high impact bomb recorder [J]. Fire and Command and Control, 2014,39(3):1731-1733 (In Chinese).
[8] 邹伟, 王华坤. 短时高过载下滚动轴承承载与破坏的研究[D]. 南京:南京理工大学, 2011: 25-30.ZOU Wei, WANG HuaKun. Short-time high-load bearing under the load and damage [D]. Nanjing:NanjingUniversity of Science and Technology, 2011:25-30 (In Chinese).
[9] 李俊, 宁全利, 朱建生,等. 减载材料对弹载器件抗高过载能力影响研究[J]. 兵器材料科学与工程, 2013, 36(3): 7-8.LI Jun, NING JiuLi, ZHU JianSheng,et al. Impact of load-shedding materials on high load resistance of missile-borne devices [J]. Journal of Materials Science and Engineering, 2013,36(3):7-8 (In Chinese).
[10] 石少卿, 康建功, 汪敏,等. ANSYS/LS-DYNA在爆炸与冲击领域内的工程应用[M].北京:中国建筑工业出版社, 2013: 5-20.SHI ShaoQing, KANG JianGong, WANG Min,et al. The application of ANSYS / LS-DYNA in the field of explosion and impact [M]. Beijing: China Architecture & Building Press, 2013:5-20 (In Chinese).
[11] 张小兵, 金志明. 枪炮内弹道学[M].北京理工大学出版社, 2014: 56-65.ZHANG XiaoBing, JIN ZhiMing. Gun ballistics[M].Beijing Institute of Technology Press, 2014:56-65(In Chinese).
[12] 李文才. 高g值冲击下轻质结构缓冲吸能研究[D]. 太原:中北大学, 2015: 14-18.LI WenCai. Study on buffer energy absorption of light structure under high g-value impact [D]. Taiyuan:North University of China, 2015:14-18 (In Chinese).
[13] 高猛, 徐鹏.高g值冲击下泡沫铝填充铝壳吸能特性研究[J]. 工程设计学报, 2015, 22(5): 470-474.GAO Meng, XU Peng. Study on energy absorption characteristics of aluminum foam filled with aluminum under high g value impact[J]. Journal of Engineering Design, 2015,22(5):470-474.(in Chinese)
[14] 刘俊, 石云波, 马游春.高过载测试中缓冲材料的试验分析[J]. 中北大学学报, 2005, 26(5): 381-384.LIU Jun, SHI YunBo, MA YouChun. Test Analysis of Buffer Materials in High Overload Test[J]. Journal of North University of China,2005,26(5):381-384 (in Chinese).
[15] 汪建锋, 张杰, 张毅.高过载条件下弹丸材料所受应力的数值仿真[J]. 兵器材料科学与工程, 2009, 32(1): 34-37.WANG JianFeng, ZHANG Jie, ZHANG Yi. Numerical simulation of the stress experienced by the projectile under high overload conditions[J]. Journal of Materials Science and Engineering, 2009,32 (1): 31-33 (In Chinese).
[16] 钱立志, 李俊, 宁全利.高过载环境下弹载器件结构动态响应研究[J]. 科技导报, 2011, 29(1): 40-43.QIAN LiZhi, LI Jun, NING QuanLi. Study on dynamic response of missile-load device structure under high overload environment [J]. Technology Herald, 2011,29(1):40-43 (In Chinese).
[17] 程文娟, 白真, 何宁.基于有限元算法的惯导缓冲减振机构设计[J]. 弹箭与制导学报, 2014, 34(6): 47-50.CHENG WenJuan, BAI Zhen, HE Ning. Design of inertial cushion damping mechanism based on finite element method[J]. Journal of Projectiles, Rockets and Guidance, 2014, 34(6):47-50 (In Chinese).