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Background/Objectives: A motor cycle helmet can prevent head injury from accident. This paper mainly concentrates on impact analysis of motorcycle helmet in different positions. Method/Analysis: The analysis of motor cycle helmet is divided into two stages. First stage includes the reverse engineering of Helmet and in the second stage; the virtual prototype of the helmet was analyzed by using LS-Dyna. This paper gives a clear detail about impact analysis of helmet in different positions such as Front, rear and top. It also discusses about impact force in frontal and non-frontal accidents. A Finite Element analysis was done on helmet head using LS-Dyna. The helmet head was impinged on rigid wall in all directions i.e. front, side, top and rear and the corresponding results were observed. Findings: The resultant force on head was observed for impacts from all directions. The variation of resultant force on head with respect to outer shell thickness was observed. Applications/Improvements: The results obtained can be used to redesign the helmet and increase the safety of rider.


Impact Analysis, Motorcycle Helmet, Non-Frontal Impacts, Reverse Engineering, Safety.