平衡炮次口径发射试验辅件膛内运行安全性分析

摘要

In the present work we simulated the process of a sub-caliber projectile moving in the bore of a DAVIS gun using the finite element method based on the LS-DYNA calculation program.By loading the pressure of the gases from the propellant burning on the pushing module,we calculated the stress of the test accessories moving in the bore and checked its strength.Further,we verified the safety of the test accessories of the sub-caliber projectile using the simulation and the experimental results.This analysis can serve as a reference for refining the sub-caliber launching technique of the DAVIS gun and other guns.%运用LS-DYNA计算程序,采用有限元方法模拟了在平衡炮发射过程中次口径战斗部的运动过程,通过在推板组件上施加发射药燃烧产生的载荷,计算了试验辅件在膛内运行过程中的受力情况,并对其强度进行了校核.结合试验结果,验证了平衡炮次口径发射试验辅件在膛内运行的安全性.该分析可为平衡炮及其他火炮的次口径发射技术研究提供参考.