1992-06-01

Transient Dynamic Analysis of an Automotive Bumper System 921076

This paper summarizes an ongoing effort to develop a computer-aided engineering methodology for the design and analysis of automotive bumper systems. The barrier impact of a bumper system was studied in detail to validate the analysis procedure. Several different finite element analysis procedures were compared and evaluated based on available experimental data. The results showed that a successful finite element analysis of an automotive bumper system should be based on the following basic assumptions: a) Transient dynamic approach is necessary to simulate the impact response of the bumper system; b) Elasto-plastic material properties are necessary to model the permanent deformations and plastic damping effects; c) Large deformation shell theory should be adopted to describe the thin-walled open section of the bumper structure.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 43% off list price.
Login to see discount.
Special Offer: With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay.
X