Abstract

The smoothed particle hydrodynamics (SPH) technique in conjunction with the macro-mechanics approach for fiber composites was developed to predict impact damage of composite structures. For investigating the detailed perforation process and damage progression, 3-D simulations of a graphite/epoxy composite laminate struck by a steel projectile were performed. The predicted damage in the composite target agrees well qualitatively with the experimental results. This study has demonstrated that SPH can be a robust and viable analytical tool for predicting the accurate response of fiber-reinforced composite structures subjected to high-velocity impact.

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