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민정국(JeongGuk Min),채수원(SooWon Chae),김권희(KwonHee Kim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Finite element analyses for vehicle crash usually take a lot of time and efforts for model modifications and computations. Alternatives to finite element models are 3D frame models in which the characteristic of joints represent plastic deformation resistances between two rigid bodies. In a commercial code MADYMO deformation resistances are embodied either by sets of point restraints or by sets of kinematic joints. In spite of versatility, point restraints are dit1icult to set up and the joints are simple but prone to overestimation of deformation resistances. This paper suggests a 3D frame model with combined joint restraint and card an restraint to simulate crash modes with simultaneous bending and axial crush.