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비선형 스프링-보 요소를 이용한 차체 모델링 및 충돌해석
강신유(S.Y.Kang),김흥수(H.S.Kim),이인혁(I.H.Lee),한동철(D.C.Han) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_1
Modelling and crashworthiness analysis of simplified vehicle structures with Beam element and Nonlinear Spring to which axial and bending collapse mechanism are applied are carried out. And on the basis of these analysis, Two types of Full car modelling and crashworthiness analysis with Nonlinear spring and Beam element are accomplished. The One is the Full car model of which 30% of the structures are modelled with Nonlinear spring and Beam element, and the other 75% of whole structures. And the results are compared with those of Full car analysis with Shell element.<br/>
알루미늄 압출부재의 굽힘붕괴식 산출 및 실험, 해석에 관한 연구
강신유(S.Y.Kang),서성수(S.S.Seo),최재환(J.H.Chio),조원준(W.J.Cho) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
In this paper. the analytical equation of predicting the bending collapse characteristics of aluminum extrusion members is derived. The results of the equation are compared with the ones of experiment. finite element analysis. and existing analytical equation. In cases of delayed buckling and tension failure. the derived equation represents the moment-angle curves better than Kecman's equation.