Crash analysis and energy absorption characteristics of S-shaped longitudinal members

Ahmed Elmarakbi*, Yee Xin Long, John MacIntyre

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


This paper presents finite element simulations of the crash behavior and the energy absorption characteristics of thin S-shaped longitudinal members with variable cross-sections made of different materials to investigate the design of optimized energy-absorbing members. Numerical studies are carried out by simulation via the explicit finite element code LS-DYNA [1] to determine the desired variables for the design of energy-absorbing members. The specific energy absorption (SEA), the weight of the members and the peak force responses during the frontal impact are the main measurements of the S-shaped members' performance. Several types of inner stiffening members are also investigated to determine the influence of the additional stiffness on the crash behavior.

Original languageEnglish
Pages (from-to)65-74
Number of pages10
JournalThin-Walled Structures
Early online date13 Apr 2013
Publication statusPublished - 22 Apr 2013


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