Abstract
In order to explore the feasibility of the new type of armor against projectile penetration, a steel plate tube array composite armor was designed, and its effectiveness against projectile penetration was studied by numerical simulation. The results of simulation vividly reproduce the physical and mechanical processes of composite armor structure, such as deformation and breakage, penetration failure, and stress wave propagation under the impact of projectile. The time history characteristics of projectile residual velocity were accurately captured. The influence of key factors, such as the number of tube array layers, array combination form and projectile impact position on the damage mode of the composite armor structure was obtained. The related results can provide important support and scientific basis for the optimal design and accurate evaluation of the new composite armor.
Highlights
With the increasing attack efficiency of kinetic energy anti-armor weapons, the role of advanced armor protection in modern combat vehicles is becoming increasingly important
In order to explore the application of metal tube in the field of armor protection, a new type of steel plate-tube array composite armor was designed
Numerical simulation technology is becoming more and more economical and efficient, which has become an important method to study the problem of armor penetration
Summary
With the increasing attack efficiency of kinetic energy anti-armor weapons, the role of advanced armor protection in modern combat vehicles is becoming increasingly important. In order to explore the application of metal tube in the field of armor protection, a new type of steel plate-tube array composite armor was designed. The armor penetration problem under impact load is a complex nonlinear dynamic process. In this paper, based on the dynamic nonlinear finite element program LS-DYNA3D [3], the damage response process of new armor forms of steel plate-tube array composite armor(SptAC armor) against high-speed rod projectile impact was simulated, and systematically analyzes the influence of the key factors such as the layer number of steel tube array, array combination form and impact position of projectile on the damage mode of composite armor structure against projectile impact, so as to provide important theoretical support and scientific basis for the optimal design and accurate evaluation of anti-ballistic performance of new composite armor
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