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[SAFETY 부문] 알루미늄 초경량차체의 충격에너지 흡수부재 설계 및 해석
윤병동(B.D. Yoon),허승진(S.J. Heo),김범진(B.J. Kim),김헌영(H.Y. Kim),김진국(J.K. Kim),강혁(H. Kang),김종명(J.M. Kim) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The weight of a aluminum intensive vehicle(AIV) can be generally reduced to about 30 percents than conventional steel vehicle without the loss of crash energy absorbing capability. In this paper, energy absorbing characteristics of aluminum extrusions are investigated from the axial and bending collapse test results. Using the crush test and analysis results, the design concepts for the effective energy absorber of aluminum extrusions are suggested. Full car crush/crash simulation of AIV are performed based on the FMVSS 208 regulations and the improved safety design concepts of AIV are evaluated in comparison to the conventional steel monocoque vehicle
[SAFETY 부문] 초경량 철강차체의 충돌에너지 흡수부재 설계 및 해석
김범진(B.J. Kim),허승진(S.J. Heo),윤병동(B.D. Yoon),남호(H. Nam),여동훈(D.H. Yeo) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Tailored blank(TB) and hydroforming manufacturing technologies are effectively applied to the ultra-light steel auto body(ULSAB). In this paper, the safety design concepts of the TB longitudinal members are formulated and the design parametric studies are performed using crash analysis based on the TB longitudinal member model and also the sub-structure model inclusive engine and transmission model. From the crash simulation results, the effect of the selected design parameters such as TB configuration concepts, number of TB parts, cross sectional shapes of longitudinal member, engine mounting locations and stiffness etc. on the crash energy absorbing characteristics are investigated and evaluated.