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Simulation of BioSID Head-Neck Motions
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Abstract
Numerous studies have been performed to develop and validate simulation data sets for adult frontal impact dummies; relatively few studies have been conducted for side impact dummies. This paper presents results of a study to develop and evaluate simulation parameters for the BioSID head-neck system.
The goal of this study was to review experimental data and develop, validate, and compare simulation parameters for the BioSID manikin head-neck system. BioSID is a state-of-the-art biofidelic side impact dummy recently developed by the Society of Automotive Engineers (SAE) for use in side impact tests to assess occupant protection. The BioSID head and neck are the same as the head and neck of the Hybrid III frontal crash test dummy. BioSID has been proposed as an alternative to the current side impact dummy, SID, required for side impact tests under Title 49 of the Code of Federal Regulations, Part 571.214.
The simulation parameters were derived from the literature and static, quasi-static, and dynamic lateral bending tests performed with BioSID necks. Simulations of the BioSID Head-Neck Pendulum (HNP) compliance tests were performed and different energy dissipation algorithms were studied. The simulation results were compared to response data from the HNP tests. It was found that while energy dissipation is required in any algorithm to produce dynamic stability, the choice of energy dissipation algorithm, whether it is viscous damping or differences in loading/unloading curves, does not materially affect the lateral head-neck response in this study. The results of this analysis will be useful in predicting the head and neck response of BioSID in side impacts.
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Grewal, D., Paver, J., and Khatua, T., "Simulation of BioSID Head-Neck Motions," SAE Technical Paper 940909, 1994, https://doi.org/10.4271/940909.Also In
References
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