| 复合射孔枪爆压数值分析与动态塑性设计准则 |
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| 引用本文： | 霍一飞,舒淑宁,刘荫忠,田毅.复合射孔枪爆压数值分析与动态塑性设计准则[J].西安航空技术高等专科学校学报,2014(1):30-34. |
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| 作者姓名： | 霍一飞 舒淑宁 刘荫忠 田毅 |
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| 作者单位： | [1]西北工业大学航空学院,陕西西安710072 [2]西安通源石油公司,陕西西安710065 |
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| 摘 要： | 复合射孔器的结构设计与载荷和设计准则密切相关。为了研究在复合射孔过程中爆燃压力与火药装药量的关系,利用LS-DYNA进行了数值模拟,得到不同装药量下爆燃压力大小的P-t曲线,以及射孔枪身的残余变形量。通过静强度、塑性极限和动强度准则计算,对比数值分析的动态载荷结果,提出了射孔枪身结构设计的动态塑性流变设计新方法,为射孔枪的结构设计技术提供了一条新路径。
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| 关 键 词： | 复合射孔 LS-DYNA 动态塑性流变设计准则 动强度准则 |
Numerical Simulation Research on Detonation Pressure and Dynamic Elastic -plastic Design Criterion in the Perforator |
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| HUO Yi-fei,SHU Shu-ning,LIU Yin-zhong,TIAN Yi.Numerical Simulation Research on Detonation Pressure and Dynamic Elastic -plastic Design Criterion in the Perforator[J].Journal of Xi'an Aerotechnical College,2014(1):30-34. |
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| Authors: | HUO Yi-fei SHU Shu-ning LIU Yin-zhong TIAN Yi |
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| Institution: | 1. School of Aeronautics, Northwestern Polytechnical University, Xi＇an 710072, China ; 2. Tong Oil Tools, Xi＇an 71006, China) |
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| Abstract: | In order to study the relationship between the deflagration pressure of the composite perforation and the amount of gunpow der ,the paper obtains the P-T curve of deflagration pressure on the different a-mount of gunpowder through the numerical simulation of composite perforation based on LS-DYNA .Com-paring the barrel structural strength under quasi-static conditions and the results of the numerical simula-tion ,the paper comes up with a new method of dynamic plastic flow design ,thus offering a new path for the structure design technology of perforator . |
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| Keywords: | LS-DYNA composite perforation LS-DYNA dynamic elastic-plastic design criterion structural dynamic strength criterion |
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