弹丸侵彻运动钢板的数值模拟

针对反舰弹丸打击运动目标,运用ANSYS/LS-DYNA有限元软件对反舰弹丸侵彻不同组合模式、运动状态钢板的过程进行了数值模拟,分析了钢板的单层厚度、总厚度、运动状态对反舰弹丸侵彻过程的速度、姿态及受力状态的影响特性.数值模拟结果表明,钢板的总厚度是影响弹丸速度变化的主要因素,单层钢板的厚度是影响弹丸姿态和壳体应力状态的主要因素,钢板运动对弹丸速度变化和壳体应力状态的影响相对较小,但对弹丸的姿态影响较大.

Numerical Simulation of Anti-Warship Projectile Perforating Moving Steel Plate Target

Aiming to that anti-warship projectiles destroy moving targets, the process of anti-warship projectiles penetrating various compounding styles and moving state steel plates was simulated using nonlinear dynamic code LS-DYNA.The influence characteristics of single thickness, total thickness, moving state of steel plates on velocity change, attitude change and stress state of anti-warship projectile were analyzed.The numerical simulation results show that the total thickness of steel plates is the primary affect factor of velocity change, and single thickness of steel plates is the primary affect factor of velocity change and stress state, and the moving state of steel plates hardly affects velocity change and stress state, but markedly affects attitude change of anti-warship projectile.