Finite Element Analysis of Honeycomb-Core Foam on Shock-Absorbing Capability against Childhood Head Injury

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標題:	Finite Element Analysis of Honeycomb-Core Foam on Shock-Absorbing Capability against Childhood Head Injury
作者:	C.Y. Lin L.T. Chang T.J. Huang K.H. Tsai C.S. Li G.L. Chang
貢獻者:	藥學系老人服務事業管理系
關鍵字:	Head Injury Impact Protective Surfacing Finite Element Analysis
日期:	2009-04-14
上傳時間:	2011-10-28 15:32:03 (UTC+8)
摘要:	This study developed a rubber foam model consisting of a surface layer of solid and a base layer of honeycomb core and used it to investigate head injury protective performance. An explicit finite element method based on the experimental data was used to simulate head impact on the rubber foam. The peak acceleration and head injury criterion (HIC) were employed to assess the shock-absorbing capability of the foam. This study supports the feasibility of using rubber foam with honeycomb core construction to improve shockabsorbing capability. The honeycomb-core structure provided an excellent cushioning effect via a lower axial shear stiffness of the surface layer and lower transverse shearing stiffness of the core. The core’s dimensions were an important parameter in determining the shearing stiffness. The analysis suggested that the cushioning effect would significantly reduce the peak force on the head from a fall and delay the occurrence of the peak value during impact, resulting in a marked reduction in the peak acceleration and HIC values of the head.
關聯:	4th Asian Pacific Conference on Biomechanics，起迄日：2009/4/14~2009/4/17，地點：Christchurch
显示于类别:	[高齡福祉養生管理系] 會議論文 [藥學系(所)] 會議論文

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