Citation

Hagiwara I, Satoh Y, Tsuda M. Int. J. Veh. Des. 1990; 11(6): 564-577.

Affiliation

Nissan Motor Co, Jpn

Copyright

(Copyright © 1990, Inderscience Publishers)

DOI

unavailable

PMID

unavailable

Abstract

Various characteristics should be taken into consideration when developing a vehicle. Among them, the head-on collision characteristic may be one of the most important because it requires much development time and cost. During collisions, collapse of the front end into the passenger compartment endangers its occupants. To prevent this situation, dynamic collision energy must be absorbed by deformation of the front end. Among the front end components, the side members absorb most of the energy. To raise their energy absorbing efficiency, these parts should be designed so that they do not break but crush successively like an accordion. We developed two new methods for realizing these characteristics using FEM. One is to utilize buckling sensitivity analysis and the other is to utilize buckling mode for the initial deflection of the structure. We then adapted these methods to our Non-linear Collision CAE which are described in some detail.