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Title of Journal: Int J Precis Eng Manuf

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Abbravation: International Journal of Precision Engineering and Manufacturing

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Korean Society for Precision Engineering

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10.1007/bf00750613

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2005-4602

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Development of a new head/brain model for the pred

Authors: In Seok Han Young Eun Kim
Publish Date: 2014/11/28
Volume: 15, Issue: 11, Pages: 2405-2411
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Abstract

To predict the risk of subdural hemorrhage SDH in the skullbrain interface under various loading conditions a new finite element FE model of a normal male adult head/brain was developed To simulate the interface between the dura mater and the arachnoid membrane spot weld elements SWEs were assigned The vulnerability to vein rupture was forecasted using calculated shear force at the SWEs The normal FE models we developed showed reliable biomechanical responses comparable with cadaveric experiments Injury simulation was performed for motor vehiclerelated and fall/assault injury in which diffuse brain injury and SDH respectively are dominant Fall/assault injury simulation showed much larger shear force at SWEs than that observed in motor vehiclerelated injury simulation Despite the fact that the size of angular acceleration used in the motor vehiclerelated injury simulation was much smaller than that used in fall/assault injury simulation motor vehiclerelated injury simulation produced much higher maximum shear strain in the brain The method proposed in this study can quantify the risk of SDH on the entire brain surface beyond the limitations of previous studies and could be used for the development of an SDH injury threshold

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