We also analyse the critical velocity, at which elastic deformation translate to plastic deformation when the bullet impact the tube.
同时也分析了冲头对圆管碰撞时，导致圆管由弹性变形向塑性变形转化学的临界速度值。
It is found that the plateau stress is proportional to the square of the impact velocity when the imperfect honeycombs are deformed at transitional mode or dynamic mode.
对含缺陷蜂窝结构平台应力的研究发现，当变形模式为过渡模式或动态模式时结构平台应力与冲击速度的平方成线性关系。
It is found that the plateau stress is proportional to the square of the impact velocity when the imperfect honeycombs are deformed at transitional mode or dynamic mode.
对含缺陷蜂窝结构平台应力的研究发现，当变形模式为过渡模式或动态模式时结构平台应力与冲击速度的平方成线性关系。
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