1978-02-01

Energy Absorption by the Plastic Deformation of Body Structural Members 780368

Vehicle energy in head-on or rear-end collisions is mainly absorbed by the front or rear longitudinal members. This paper describes the methods of calculation of crush load and the energy absorbed during the static and dynamic crush of the sheet metal members with closed-hat section together with attached flanges or walls. Calculated results were compared with experiments including full-size automobile collisions. It is expected that the analysis considering the strain rate sensitivity will provide more accurate design information for improved automobile crash-worthiness.

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