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http://dx.doi.org/10.3795/KSME-A.2005.29.6.913

Development of a Finite Element Human Neck Model for Neck Injury Analysis - Application to Low Speed Rear-End Offset Impacts -  

Kim Young Eun (단국대학교 기계공학과)
Jo Hui Chang (서일대학 자동차과, 단국대학교 대학원)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.29, no.6, 2005 , pp. 913-920 More about this Journal
Abstract
Compared to previous in-vitro test, FE model showed reliable motion patterns. A finite element model of a 50th percentile male neck was developed to study the mechanics of whiplash injury while the rear impacts. The model was consisted of the whole cervical vertebrae including part of occipital, intervertebral discs. which were modeled using linear viscoelastic materials and posterior elements. The sliding interfaces were defined to simulate contact phenomena in facet joints and in odontoid process. All ligaments and atlanto-occipital membrane were modeled as nonlinear bar elements. Only muscle elements were not considered. Motion of each cervical vertebra was obtained from the dynamic simulation with a MADYMO model for 15 km/h $40\%$ rear end offset impacts. Soft tissue neck injury(STNI) was investigated with a developed FE model. In FE model analysis, the high stress was appeared at C3/C4 disc in offset impact. Further research is still needed in order to improve the developed neck FE model for many different crash patterns.
Keywords
Finite Element Model; Cervical Spine; Neck Model; Rear End Impact; Offset and Oblique Impacts;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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