Crash and impact analysis of an automotive bumper application for a firsttier
supplier to the automotive industry. The study involved the detailed
analysis of a proprietary material application involving a triple-ply metallic
laminate composite and analytically based competitive analysis to current
material systems. Nonlinear finite element analysis involving plasticity,
finite deformations and contact analysis was completed. Detailed analysis
for the solutions features found in the crash analysis of automotive bumpers
was completed. Correlation to physical data for 5 mph crash
was used to verify the analytical modeling. The first level analysis was
successfully used to predict the viability of a alternate
material system that had not been manufactured at that time. Analysis and
comparison to traditional bumpers showed the effectiveness of the new material
system.