• Title/Summary/Keyword: Finite element small female model

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Development of $5^{th}$ percentile female finite Element Model for Crashworthiness Simulation - Part I Articulated Rigid Body Model (충돌 안전도 해석을 위한 $5^{th}$ percentile 성인 여성 유한요소 모델 개발 - Part I 다물체 동력학 모델 개발)

  • 나상진;최형연;이진희
    • Journal of Biomedical Engineering Research
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    • v.25 no.4
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    • pp.277-282
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    • 2004
  • In order to investigate the small female occupant behavior and accompanying injury mechanisms in vehicular trash event, a finite element model of $5^{th}$ percentile female has been developed. The model consists of articulated rigid body, which represents the morphology of small female body, and internal components with anatomical details. Articulated rigid body model serves as a basic platform for joining the detail internal skeletons and organs, while itself can be used for representing the overall kinematics of small female occupant. The modeling details such as anthropometry and finite element structure as well as validation results for the articulated rigid body model are introduced in this paper. The second part of the modeling, i.e. the internal components with anatomical details of small female are presented in subsequent part II of the paper.

Numerical Simulation of OOP(Out-of-Position) Problem with$5_{th}$ Percentile Female F.E Model ($5_{th}$ Percentile 성인 여성 유한요소 모델을 이용한 OOP(Out-of-Position) 문제에 대한 수치해석)

  • 나상진;최형연;이진희
    • Transactions of the Korean Society of Automotive Engineers
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    • v.12 no.3
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    • pp.177-183
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    • 2004
  • The out-of-positioned small female drivers are most likely to be injured during airbag deployment due to their stature and proximity to the steering wheel and airbag module. In order to investigate the injury mechanisms, some experimental studies with Hybrid III 5% female dummy and with female cadavers could be found from the open literatures. However, the given information from those experimental studies is quite limited to the standard conditions and might not be enough to estimate the airbag inflation aggressiveness regarding on the occupant responses and injury. In this study, a finite element analysis has been performed in order to investigate the airbag-induced injuries. A finite element 5% female human model in anatomical details has been developed. The validation results of the model are also introduced in this paper.

Development of $5^{th}$ percentile female finite Element Model for Crashworthiness Simulation - Part II Detail Modeling of Internal Components (충돌 안전도 해석을 위한 $5^{th}$ percentile 성인 여성 유한요소 모델 개발 - Part II 신체 부위 별 상세 모델 개발)

  • 나상진;최형연;이진희
    • Journal of Biomedical Engineering Research
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    • v.25 no.4
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    • pp.283-288
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    • 2004
  • The finite element modeling of small female occupant for crash simulation is presented in this paper subsequently to the part I of articulated rigid body model. The limbs and internal components are additionally modeled by joining them to the articulated rigid body model for predicting the crash injuries such as bone fractures and joint dislocations. The behavioral characteristics of each limbs and internal components were validated against available cadaveric test results. Accordingly, the human model proposed in this paper could be utilized for the investigation of impact injury mechanism and further complement the lacking biofidelity of current crash dummy.