Accurate material properties of the brain and skull are needed to examine the biomechanics of head injury during highly dynamic loads such as blunt impact or blast. In this paper, a validated Finite Element Model (FEM) of a human head is used to study the biomechanics of the head in impact and blast leading to traumatic brain injuries (TBI). We simulate the head under various direction and velocity of impacts, as well as helmeted and un-helmeted head under blast waves. It is shown that the strain rates for the brain at impacts and blast scenarios are usually in the range of 36 to 241 s−1. The skull was found to experience a rate in the range of 14 to 182 s−1 under typical impact and blast cases. Results show for impact incidents the strain rates of brain and skull are approximately 1.9 and 0.7 times of the head acceleration. Also, this ratio of strain rate to head acceleration for the brain and skull was found to be 0.86 and 0.43 under blast loadings. These findings provide a good insight into measuring the brain tissue and cranial bone, and selecting material properties in advance for FEM of TBI.
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ASME 2018 International Mechanical Engineering Congress and Exposition
November 9–15, 2018
Pittsburgh, Pennsylvania, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5202-6
PROCEEDINGS PAPER
The Strain Rates of the Brain and Skull Under Dynamic Loading
Mohammad Hosseini Farid,
Mohammad Hosseini Farid
North Dakota State University, Fargo, ND
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Ashkan Eslaminejad,
Ashkan Eslaminejad
North Dakota State University, Fargo, ND
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Mohammadreza Ramzanpour,
Mohammadreza Ramzanpour
North Dakota State University, Fargo, ND
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Mariusz Ziejewski,
Mariusz Ziejewski
North Dakota State University, Fargo, ND
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Ghodrat Karami
Ghodrat Karami
North Dakota State University, Fargo, ND
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Mohammad Hosseini Farid
North Dakota State University, Fargo, ND
Ashkan Eslaminejad
North Dakota State University, Fargo, ND
Mohammadreza Ramzanpour
North Dakota State University, Fargo, ND
Mariusz Ziejewski
North Dakota State University, Fargo, ND
Ghodrat Karami
North Dakota State University, Fargo, ND
Paper No:
IMECE2018-88300, V003T04A067; 7 pages
Published Online:
January 15, 2019
Citation
Hosseini Farid, M, Eslaminejad, A, Ramzanpour, M, Ziejewski, M, & Karami, G. "The Strain Rates of the Brain and Skull Under Dynamic Loading." Proceedings of the ASME 2018 International Mechanical Engineering Congress and Exposition. Volume 3: Biomedical and Biotechnology Engineering. Pittsburgh, Pennsylvania, USA. November 9–15, 2018. V003T04A067. ASME. https://doi.org/10.1115/IMECE2018-88300
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