Abstract
The high velocity impact (HVI) framework with or without penetration leads to considering several physical phenomena, such as large deformation, damage mechanics and rupture. Our understanding of these impacts can be approached by numerical simulation. In this paper, the penetration of thin metal plates struck by a blunt projectile is simulated using meshfree particle analysis and the smoothed particle hydrodynamics (SPH) method. The Johnson–Cook elastic–plastic model and the simplified damage model were applied to simulate the mechanical behavior in this study. Penalty force algorithms were implemented in the model to manage the contact phenomenon. In addition, to overcome the computational cost, which is critical with SPH simulation, a developed solver graphics processing unit (GPU) was used. This enabled us to accelerate the simulation time and also allowed the use of large numbers of particles (2–8 million). The computational results were compared with experimental results published in the literature in terms of the ballistic curve in these plates.
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