Abstract
To reduce vehicle body weight, a new concept is shown here as follows: For body panels, truss core panel can be used in such way that the conventional panel is used for outer panel and truss core panel is used for inner panel. Cylindrical Origami Structure using Reversed Spiral Model is used for side member which is expected to absorb dynamic energy in head-on collision, To realize this concept, optimization analysis is the key technology in such that the key technology is the topology optimization for reduction of the weight of truss core panel and it is the response surface optimization for raising the reaction force of Cylindrical Origami Structure.
