小隔板试验的数值模拟研究

Numerical simulation used for investigation of small partition assay

根据拉氏分析方法确定的铸装TNT(ρ=1.587g.cm-3)状态方程与反应速率方程参数(未反应炸药和已反应产物的状态方程都采用JWL状态方程),用有限元程序LSDYAN进行数值模拟,得到了与实验结果比较一致的结果.验证了拉氏分析方法在数值模拟和实验中的桥梁作用.

The process of explosive＇s （wrapped coarse granule TNT, ρ=1.587g·cm^-3） shock initiation was numerically simulated in the case of small partition by the LSDYNA procedure. The state equations of explosives and reaction products are all based on JWL state equations. The results are consistent with the results from the experiments which indicates that Lagrange method is the bridge between the numerical simulation and the experiments.