分析内爆炸圆管膨胀破碎过程的应力，提出确定内爆炸圆管断裂半径的复合判据，从理论上预测不同材料圆管的破片初速度。
Stresses of the in-explosive cylinder were analyzed, compound criteria for determinating the fracture radius was put forward to calculate the initial velocity of cylinder fragment.
由于复合材料的损伤模式与金属材料有很大的区别，因此，了解复合材料破坏判据对复合材料零部件的定寿具有决定性的作用。
Due to damage of composite difference from that of metal, so finding out destroy criterion of composite is important in determining life of helicopter.
从而也为今后从所编入光纤角度考虑来研究编织复合材料强度预估和失效判据奠定了实验基础。
All these results provide an experimental basis for further studies on the strength prediction and failure criterion's setup by the means of braided optical fiber.
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