引信跌落冲击环境仿真研究
关键词：引信 跌落冲击 虚拟仿真 试验数据分析
毕业设计说明书（论文）外文摘要
Title The Environmental Simulation of Drop Shock
Abstract
In order to provide a reference for the design of the fuse or ammunition, I studied the law of different heights for different types of ammunition drop to the fuze when the target of different materials suffered from the impact load. The ammunition or fuse drop shock environment simulation model and the basic steps of the process of the drop shock environmental simulation test designed in accordance with the requirements of GJB573.1-88.Many of effective shock environment tests data are obtained through the simulation of drop environmental testing on several of typical ammunition, which consist several typical ammunition of the same ammunition projectile dropping to the different objectives and the same ammunition projectile to different angles dropping to the same goal of shock environmental test data. The data obtained from the tests are analyzed and compared from the time domain and frequency domain, and obtained some regular features of several of typical ammunition, which are :when the fall in the same fuse to the goal, the fuse at the bottom of the impact on peak load size with the weakening of the material strength of the target material decreases, but its duration or pulse width but longer; the same fuse different height drop, with the increasing height of the peak size of the fuse at the bottom of the impact load larger duration or pulse width becomes shorter.
Keywords: fuze, drop shock, virtual simulation, test data analysis
目次
1 绪论 1
1.1 选题的背景和意义 1
1.2 跌落冲击试验简介及相关的标准 1
1.3 跌落冲击试验研究现状 2
1.4 弹药或引信跌落冲击试验简介 3
1.4.1 弹药或引信跌落冲击试验技术 3
1.4.2 1.5 m引信跌落试验方法及其合格准则 4
1.4.3 12 m引信跌落试验方法及其合格准则 5
1.5 本文所涉及的主要工作内容 6
2 仿真方法及仿真软件概述 7
2.1 仿真方法的发展 7
2.1 仿真软件的选用 8
2.3 ANSYS仿真软件的功能和特点 10
2.4 ANSYS程序的流程简介 11
2.5 ANSYS仿真过程中的注意事项 12
3. 跌落冲击虚拟仿真数值分析 14
3.1 跌落冲击环境试验虚拟仿真技术的发展 14