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안기원(K.W.Ahn),안상호(S.H.Ahn),서권희(K.H.Seo),황원걸(W.G.Hwang),윤희석(H.S.Yoon),오철성(Q.S.Oh) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
To evaluate the safety and durability of the vehicle structure in the vehicle developing stage, many times and efforts have been required. It is difficult to find the reason of crack which was occurred in the body and frame of a vehicle during tests. Recently computer aided engineering technology has rapidly<br/> raised to solve the problems of safety and durability of the vehicle.<br/> In this study, dynamic stress analysis is performed to the frame of the vehicle by rigid and flexible<br/> multibody dynamic techniques during bump pass. The results of the analysis are compared to those of the test. The full vehicle dynamic models for the rigid and flexible body are accomplished by DADS; a special code for dynamic analysis. Dynamic stress analysis procedure is also developed using the accomplished dynamic models.