脉冲电子束对材料破坏效应的数值研究

  • 摘要: 利用Monte Carlo方法计算了电子束的能量沉积,用流体动力学方程计算了热击波的传播, 所用物态方程为GRAY三相物态方程。全部计算均由程序DRAM1D完成。讨论了波的传播规律, 并给出了铝材迎光面反冲速度峰值及比质量亏损与电子束的入射通量和能量之间的关系。

     

    Abstract: The energy deposition of electronbeam and the wave propagation in aluminumare calculated by using Monte Carlo methodsand the hydrodynamic equations, respectively.The equationofstate(EOS)  used in the calculation is the GRAY three phase EOS, all the calculation is  performed by the program DRAM1D.The  relations between thepeak front surface  blowoff velocity,specific mass loss and  incident fluencea

     

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