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Full frontal impact virtual proving ground and body energy analysis

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Based on national passive safety rules, the full frontal impact virtual proving ground was established to get deceleration of B pillar, head acceleration, HIC value, chest acceleration, and femur axial force. The simulation results were compared with that of the test. Absorption energy distribution and distributive ratio of every body section were analyzed. According to the energy analysis, the design reasonableness of body parts was estimated, and two improved methods were put forward, one for material properties, the other for part dimension. Then hood was taken as an example to prove the two methods we put forward to be effective.
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Keywords: Energy distribution; Impact safety; Nonlinear finite element analysis; Virtual proving ground

Document Type: Research Article

Affiliations: College of Automotive, Tongji University, Shanghai, P.R. China

Publication date: 01 October 2007

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