Motion analysis of automobile after side collision (Motion evaluation of automobile subjected to front part side collision)

Abstract

To improve safety during automobile collisions, it is necessary to examine not only accident damage by the first collisions but also motion after the collision. However, it is difficult to specify the factor which affects the collision motion of the automobiles with various structures and mechanisms, though the theoretical and experimental analyses have been reported. In this study, in order to clarify factors which affect the automobile motion after side collisions, as the first step, the motion evaluation of the automobile subjected to side collision at front part was investigated by carrying out model collision tests, and fundamental theoretical analyses. Trajectory of automobile's center of gravity after the model collision test showed good agreement with the theoretical analysis result. In the future, influential factors are gradually considered in motion analysis by the fundamental theory and experimental approach by the model collision test used in this study, and the effect of their factors on the reconstruction of the collision accident is quantitatively clarified.