CAJ | 학술논문

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。
복합사공기적결구설계여재하화설계준칙밀절상관。위료연구재복합사공과정중폭연압력여화약장약량적관계，이용LS -DYNA진행료수치모의，득도불동장약량하폭연압력대소적P -t곡선，이급사공창신적잔여변형량。통과정강도、소성겁한화동강도준칙계산，대비수치분석적동태재하결과，제출료사공창신결구설계적동태소성류변설계신방법，위사공창적결구설계기술제공료일조신로경。
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 .