SPH Simulations of High Velocity Impacts on Concrete Plate

The local damages of the concrete plate are produced by high velocity impact of rigid projectile. In order to represent the cracking or perforation behaviours of the concrete, SPH is appropriate method because of completely mesh free. In this paper, SPH simulations for the local damage of the concrete plate due to high velocity impacts are performed to study the effects of the impact velocity and the strength of the concrete plate. To represent the nonlinear failure behaviour of concrete, MAT_PSEUDO_TENSOR is used as constitutive model in LS-DYNA. The strain rate effects of concrete are also take into account. The numerical results of the local damage of concrete plates are discussed through comparing with experimental results.