International Journal of Vehicle Structures and Systems

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Load Transfer in Truck Cab Structures under Initial Phase of Frontal Collision


Affiliations
1 Graduate School of Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
2 Nissan Diesel Motor Co. Limited, 1-1, Ageo-shi, Saitama, 362-8523, Japan
3 Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
     

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A new parameter U** that represents load paths in structures is applied to a truck cab under collision. Since the main part of a compartment should be maintained in a linear elastic condition, a linear U** analysis can be applied. U** for the deformed body is statically calculated from the extracted deformation results of a crash simulation. A substitution-modulus method is applied to reproduce the material and geometrical nonlinearities. An index "m2-4msU**" is proposed as a standard condition for the truck cab. The predominant load paths along the floor member and the shear effect of the floor panel are demonstrated.

Keywords

Truck Cab Structure, Structural Analysis, Load Path, Frontal Collision, Safety, Finite Element Method.
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  • Load Transfer in Truck Cab Structures under Initial Phase of Frontal Collision

Abstract Views: 231  |  PDF Views: 2

Authors

Enyang Wang
Graduate School of Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Yuki Yoshikuni
Graduate School of Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Qiushi Guo
Graduate School of Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Tetsuo Nohara
Nissan Diesel Motor Co. Limited, 1-1, Ageo-shi, Saitama, 362-8523, Japan
Hideaki Ishii
Nissan Diesel Motor Co. Limited, 1-1, Ageo-shi, Saitama, 362-8523, Japan
Hiroaki Hoshino
Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Kunihiro Takahashi
Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan

Abstract


A new parameter U** that represents load paths in structures is applied to a truck cab under collision. Since the main part of a compartment should be maintained in a linear elastic condition, a linear U** analysis can be applied. U** for the deformed body is statically calculated from the extracted deformation results of a crash simulation. A substitution-modulus method is applied to reproduce the material and geometrical nonlinearities. An index "m2-4msU**" is proposed as a standard condition for the truck cab. The predominant load paths along the floor member and the shear effect of the floor panel are demonstrated.

Keywords


Truck Cab Structure, Structural Analysis, Load Path, Frontal Collision, Safety, Finite Element Method.



DOI: https://doi.org/10.4273/ijvss.2.2.03