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Human Neck Finite Element Model Development and Validation against Original Experimental Data
Technical Paper
2004-22-0008
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English
Abstract
This study proposes a detailed FEM of a human volunteer’s neck and proceeds to an original model validation against experimental data recorded with this human volunteer. In order to evaluate the new model against existing data a successful temporal validation of the model was obtained under frontal, lateral, oblique and rear impact. New validation parameters are based on an experimental test proceeded in the frequency domain in order to extract the volunteer’s Head-Neck system’s modal characteristics. In depth validation of the head neck FEM is then performed by superposing the numerical and experimental frequency response function. Model optimisation in the frequency domain permitted after significant properties modification to reproduced accurately both, the neck extension mode at 1.4 Hz and the head retraction mode at 8.8 Hz. Finally the “frequency domain optimised” FEM response was superimposed with the temporal corridors provided in the literature. It must be mentioned that the model’s response in the temporal domain remains inside existing corridors after this model optimisation in the frequency domain illustrating that the temporal validation is not accurate enough. This study proposes a neck model with improved geometry description and biofidelity with special attention paid to the retraction mode, a phenomenon which is often masked in the temporal domain.
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Meyer, F., Bourdet, N., Deck, C., Willinger, R. et al., "Human Neck Finite Element Model Development and Validation against Original Experimental Data," SAE Technical Paper 2004-22-0008, 2004, https://doi.org/10.4271/2004-22-0008.Also In
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