为了增强线性爆炸成型弹丸对穿甲弹的干扰作用,间接增强装甲的防护效果,采用ANSYS/LS-DYNA软件对一种组合式线性爆炸成型侵彻体干扰杆式穿甲弹以及被干扰穿甲弹侵彻后效靶板的过程进行了数值模拟,在只改变一种参数的条件下,以铜为药型罩材料,主要分析药型罩壁厚、曲率半径和装药高度对组合式LEFP干扰杆式穿甲弹的影响。结果表明,药型罩壁厚取0.06D~0.1D(D为装药宽度)干扰效果最好;当药型罩壁厚取0.06D,曲率半径取0.9D~1.2D时,LEFP的干扰效果随着曲率半径的增加而增加;不同装药高度下干扰效果对比得出,装药高度为0.9D,组合式LEFP的成型及对穿甲弹的干扰效果最好,为新型反导武器研究提供参考。

In order to enhance the interference effect of the linear explosively formed projectile on the armor-piercing projectile, and thereby enhance the armor protection effect, ANSYS/LS-DYNA software is used to interfere with a combined linear explosively formed penetrating body to interfere with the rod-type armor-piercing projectile and the interfered armor-piercing projectile to penetrate the after-effect target numerical simulation of the process of the plate was carried out. Under the condition of changing only one parameter, copper was used as the material of the charge, and the effect of the wall thickness, radius of curvature and charge height of the charge on the combined LEFP jamming rod armor-piercing projectile was mainly analyzed. The results show that the wall thickness of the drug type cover is 0.06D~0.1D(D is the width of the charge) for the best interference effect; when the wall thickness of the drug type cover is 0.06D and the radius of curvature is 0.9D~1.2D, the interference effect of LEFP increases with the increase of the radius of curvature. Increase the comparison of the interference effects at different charge heights shows that the charge height is 0.9D, and the combined LEFP has the best shape and interference effect on armor-piercing projectiles, which provides a reference for the research of new anti-missile weapons.