Abstract
In this paper,the penetration and perforation process of the conical nose rigid projectile into alluminum alloy target were simulated numerically by using FEM. Two sets of the projectiles and targets in different sizes were used in calculation models. The first set took the same size as the tested projectile and target for comparison, the second set changed diameter of projectile to evaluate its influence on the perforation capacity. The residual velocity were obtained by using numerical simulation. The simulation results indicate that in the same conditions, the calculated residual velocity coincides approximately with the existing data. It shows the validity and exactness of the proposed model. The projectile with smaller diameter possess better perforation performance.
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