418 後面衝突時における頚部傷害に及ぼす頭部初期姿勢の影響

概要

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In this study, the effect of head posture on neck injury during rear-end impact was studied. First, a head-neck FE model was developed. Second, the behavior of the model during low-speed rear-impact, lateral bending and axial rotation was validated against experimental results. Third, rear impact simulations with 3 types of initial head postures including head-forward, lateral bending and axial rotation were conducted. Finally, the difference of the model behavior among 2 simulations was clarified, and that facet ligament strain during lateral bending and axial rotation simulation might exceed the strain during head-forward simulation was also clarified.
一般社団法人日本機械学会の論文
2009-08-03