Strength analysis of human skull on high speed impact

Siswanto, Waluyo Adi and Chong, Szu Hua (2012) Strength analysis of human skull on high speed impact. International Review of Mechanical Engineering, 6 (7). pp. 1508-1514. ISSN 1970-8734

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This research has been carried out to identify the strongest and weakest part of the human skull on high speed impact condition by using finite element simulation approach. There are nine parts of skull model to be examined, i.e., frontal bone, front mandible, side mandible, maxilla, nasal bone, occipital bone, parietal bone, temporal bone and zygomatic bone. The parts are impacted by a small rigid ball at constant velocity of 20 m/s. Three dimensional Finite Element solver FEBio is employed to do the simulation. Four mechanical responses; acceleration, displacement, effective stress and effective strain are monitored after 1 ms the ball contacts with skull. When the response parameter shows the strongest part, it is scored 100 whereas the weakest the weakest is scored of 10. The total score from four parameters are then summed up. The results show the weakest among the cranial bones is the parietal bone. On the facial section, the front mandible and the nasal bone are the weakest parts among other facial bones.

Item Type:Article
Uncontrolled Keywords:human skull model;finite element;strength analysis;impact simulation;FEBio
Subjects:Q Science > QC Physics
Q Science > QM Human anatomy
T Technology > TJ Mechanical engineering and machinery > TJ1-162 Mechanical engineering and machinery
Divisions:Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
ID Code:3544
Deposited By:A/Prof. Dr. Waluyo Adi Siswanto
Deposited On:06 Mar 2013 12:13
Last Modified:06 Mar 2013 12:13

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