한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제4권6호
  • /
  • Pages.85-96
  • /
  • 1996
  • /
  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

ATB 소프트웨어를 이용한 측면충돌시 승랙거동해석 모델링의 확립 및 분석

Establishment of an Occupant Analysis modeling for Automobile Side Impact Using ATB Software

  • 임재문 (한양대학교 대학원 기계설계학과) ;
  • 최중원 (대우자동차(주) 기술연구소 차량해석실) ;
  • 박경진 (한양대 학교 기계공학과)
  • 발행 : 1996.12.01
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초록

Most protection systems such as seat belts and airbags are not effective means for side structure. There has been significant effort in the automobile industries in seeking other protective methods, such as stiffer structure and padding on the door inner panel. Therefore, a car-to-car side impact model has been developed using ATB occupant simulation program and validated for test data of the vehicle. Compared to the existing side impact models, the developed model has a more detailed vehicle side structure representation for the more realistic impact response of the door. This model include impact bar which effectively increases the side structure stiffness without reduction of space between the occupant and the door and padding for absorbing impact energy. The established model is applied to a 4-door vehicle. The parameter study indicated that a stiffer impact bar would reduce both the acceleration-based criteria, such as thoracic trauma index: TTI(d), and deformation-based criteria, such as viscous criterion(VC). Padding on the door inner panel would reduce TTI(d) while VC gives the opposite indication in a specified thickness range. For a 4-door vehicle, the stiffness enhancement of B-pillar is more beneficial than that of A-pillar for occupant injury severity indices.

키워드

참고문헌

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