Cross-Sectional Optimal Design of 6082 Aluminium Alloy Anti-collision Beam Based on the Crash Simulation Analysis Using LS-DYNA

摘要

Four cross sections of 6082 aluminium alloy anti-collision beam were designed for one car. Based on the crash simulation analysis using LS-DYNA, the deformation and energy absorption parameters of 6082 aluminium alloy beam were obtained.The results of crash simulation for a rear low-speed impact indicated that the invasion of the collider was minimum and the effect of energy absorption was optimum, when the tangent angle of cross section between arc rib and horizontal plane of the anti-collision beam was twenty degree.Finally, the pendulum test revealed that the performance of this 6082 aluminium alloy beam satisfied with performance requirements, when the tangent angle of arc rib cross section of the anti-collision beam was designed to the twenty degree.