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Static and Dynamic Structural Performance of Extruded Aluminum Reinforcing Beams for Bumpers
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Abstract
This paper reports a method to evaluate structural performance of extruded aluminum thin-walled box section beams for automobile bumper reinforcement. According to U. S. Federal safety performance requirements for automobile bumper systems, the systems should be able to bear the dynamic load of pendulum impact. To evaluate performance of the bumper system, two stages of research were executed: (1) Bending tests and analyses under quasi-static loading, and (2) Dynamic pendulum tests and their simulation using the finite element method.
As a result of these investigations, the relationship between the collapse moment of the beam and the permanent set caused by pendulum test, the effect of absorbers, and the effect of torsional force are discussed.
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Citation
Hashimura, T. and Fujiwara, A., "Static and Dynamic Structural Performance of Extruded Aluminum Reinforcing Beams for Bumpers," SAE Technical Paper 930709, 1993, https://doi.org/10.4271/930709.Also In
References
- Sharp M.L. Peters R.M. “Structural Design Considerations for Aluminum Bumpers” SAE Paper 770269 1977
- Sharp M.L. Jombock J.R. “Structural Performance of Aluminum Bumpers” SAE Paper 780140 1978
- Rolf R.L. Baker R.W. King W. Kole R.P. “Aluminum Sheet Bumpers” SAE Paper 810122 1981
- National Highway Traffic Safety Administration “Code of Federal Regulations” Part 581, The Federal Register 1991
- Hallquist J.O. “LS-DYNA3D Theoretical Manual” Livermore Software Technology Corporation 1991