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《Chinese Journal of Geriatric Dentistry》 2003-01
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The simulation and analysis of the impact injury of persons in cars with finite element methods

ZHANG Hai-zhong, YAN li-jin, LI Shi-yong, HU Min, HUANG Shi-lin, MA Chun-sheng.( Department of Stomatology. PLA General Hospital ,Fu-xing Road 28. Beijing 100853. P. R. China)  
Objective: To analyze biomechanics of impact injury, in the condition of the simulate impact on maxillary rejoins in accident. Method: The complex cranial geometry was measured from a series of two-dimensional CT images. The multy-lay spiral CT scans were transformed with a self-developed preprocessor into a finite element mesh. Identical impact and boundary conditions were used for the maxillary impact simulations. Results: The higher stress was showed in the nasal-maxilla rejoins and atlas occipital articular in 3d FEM. Conclusions: The concentration of stress and tension stress were might the thought to be one of the main biomechanical mechanism of impact injury. The FEM is helpful to analyze biomechanics of skull impact injury.
【Fund】： 首都医学发展科研基金(20023091)
【CateGory Index】： R782
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