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Volume 17
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10.3390/ijerph17072392
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Article

Influence of Skull Fracture on Traumatic Brain Injury Risk Induced by Blunt Impact

by
Lihai Ren
1,2,
Dangdang Wang
2,
Xi Liu
1,2,*,
Huili Yu
3,
Chengyue Jiang
2 and
Yuanzhi Hu
1,2
1
State Key Laboratory of Vehicle NVH and Safety Technology, China Automotive Engineering Reasearch Institute Co., Ltd. and Chongqing Chang’An Automobile Co., Ltd., Chongqing 401122, China
2
Key Laboratory of Advanced Manufacturing Technology for Automobile Parts, Ministry of Education, Chongqing University of Technology, Chongqing 400054, China
3
Chang’An Automobile Co., Ltd., Chongqing 400023, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(7), 2392; https://doi.org/10.3390/ijerph17072392
Submission received: 28 February 2020 / Revised: 25 March 2020 / Accepted: 30 March 2020 / Published: 1 April 2020
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Abstract

This study is aimed at investigating the influence of skull fractures on traumatic brain injury induced by blunt impact via numerous studies of head–ground impacts. First, finite element (FE) damage modeling was implemented in the skull of the Total HUman Model for Safety (THUMS), and the skull fracture prediction performance was validated against a head–ground impact experiment. Then, the original head model of the THUMS was assigned as the control model without skull element damage modeling. Eighteen (18) head–ground impact models were established using these two FE head models, with three head impact locations (frontal, parietal, and occipital regions) and three impact velocities (25, 35, and 45 km/h). The predicted maximum principal strain and cumulative strain damage measure of the brain tissue were employed to evaluate the effect of skull fracture on the cerebral contusion and diffuse brain injury risks, respectively. Simulation results showed that the skull fracture could reduce the risk of diffuse brain injury risk under medium and high velocities significantly, while it could increase the risk of brain contusion under high-impact velocity.
Keywords: blunt impact; head finite element model; skull fracture; traumatic brain injury blunt impact; head finite element model; skull fracture; traumatic brain injury

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MDPI and ACS Style

Ren, L.; Wang, D.; Liu, X.; Yu, H.; Jiang, C.; Hu, Y. Influence of Skull Fracture on Traumatic Brain Injury Risk Induced by Blunt Impact. Int. J. Environ. Res. Public Health 2020, 17, 2392. https://doi.org/10.3390/ijerph17072392

AMA Style

Ren L, Wang D, Liu X, Yu H, Jiang C, Hu Y. Influence of Skull Fracture on Traumatic Brain Injury Risk Induced by Blunt Impact. International Journal of Environmental Research and Public Health. 2020; 17(7):2392. https://doi.org/10.3390/ijerph17072392

Chicago/Turabian Style

Ren, Lihai, Dangdang Wang, Xi Liu, Huili Yu, Chengyue Jiang, and Yuanzhi Hu. 2020. "Influence of Skull Fracture on Traumatic Brain Injury Risk Induced by Blunt Impact" International Journal of Environmental Research and Public Health 17, no. 7: 2392. https://doi.org/10.3390/ijerph17072392

APA Style

Ren, L., Wang, D., Liu, X., Yu, H., Jiang, C., & Hu, Y. (2020). Influence of Skull Fracture on Traumatic Brain Injury Risk Induced by Blunt Impact. International Journal of Environmental Research and Public Health, 17(7), 2392. https://doi.org/10.3390/ijerph17072392

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