Structural design of energy-absorbing front underrun protective device for commercial vehicles

Publication Type:
Journal Article
Qiche Gongcheng/Automotive Engineering, 2011, 33 (12), pp. 1043 - 1046
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In view of the problem of insufficient stiffness of the front underrun protective device (FUPD) in a commercial vehicle, the plate-type bracket structure of original FUPD is redesigned by applying both topology and parameter optimization techniques with a crash buffering box beam added on. A simulation analysis is performed on the redesigned FUPD with LS-DYNA. The results show that the new FUPD not only solves the problem of inadequate stiffness, i.e. gains the function of front underrun resistance, but can also play the role of buffering and energy absorption.
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