A simple approximate calculation method is given, which can exactly reconstruct the long distance non ideal propagation of detonation waves in the spherical shell of the charge.
针对实验结果给出一种简便的近似计算方法，它能准确地重现炸药球壳中长程绕射爆轰波的非理想传播行为。
2
The fluid flowing boundary extends outwards continuously is the feature of pressure propagation with low velocity Non Darcy percolation.
流体流动边界不断向外扩展是低速非达西渗流压力波传播的特点。
3
When analyzing the propagation of high power microwave (HPM) in atmosphere, the propagation velocity in non ionized and ionized mixture atmosphere is needed.