Numerical Simulation of Projectile Penetration into UHMWPE Fiber Reinforced Concrete

摘要

Based on LS-DYNA 3D finite element program and Holmquist Johnson Cook (HJC) model, a numerical simulation research on a new type of fiber concrete reinforced by UHMWPE fiber against 12.7 mm Armor Piercing ammunition was conducted. The results show that the simulated results to penetration depth have a good agreement with experiment data. An ACE modified formula both considering promoted tensile strength and toughness reinforced by UHMWPE fiber is proposed, whose theoretical results are very close to that of experiment and numerical simulation and can predict the penetration depth of UHMWPE fiber concrete (UFRC) well.