simulated launch

For a self-propelled artillery the computational program is achieved, by which the simulation of launch process is realized. The interior ballistic, motion of projectile in gun tube, dynamic response of the artillery and initial disturbance of projectile are exactly simulated.

编制了计算程序，实现了对某自行火炮发射过程的数值模拟，在准确计算内弹道过程的同时，获得了火炮的动力响应、弹丸膛内运动和起始扰动。

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