刚性弹体侵彻加筋靶板的力学模型

采用动量守恒定理研究了截卵型刚性弹体对加筋靶板的侵彻贯穿问题.提出了刚性弹体侵彻贯穿加筋靶板的力学模型,并用来预测弹体贯穿加筋靶板后的剩余速度.在此基础上,利用该模型分析了加筋靶板加强筋的宽度和高度以及弹体的初始速度对弹体剩余速度的影响.模型预测结果与实验及数值结果相比较,三者具有较好的一致性,表明该模型是合理的.

Mechanical Model of Rigid Projectile Penetrating Stiffened Plates

By adopting the momentum conservatio projectile into stiffened plates was inve stiffened plates was presented to predi effects of the stiffener width, stiffener velocity were analyzed. The predicted sults and the numerical values, which stigated. A ct residual height and results demons n theorem, perfo mechanical mode velocity of projec impact velocity o ration of truncated oval-nosed 1 of rigid projectile penetrating tile. Based on the f the projectile on model, the the residual by the model are consistent with experimental re trates the rationality and reliability of the model.