The Effect of Automotive Side Member Filling on Car Frontal Impact Performance
DOI:
https://doi.org/10.15282/jmes.6.2014.13.0083Keywords:
Impact; HIC; CSI; SEAAbstract
To achieve lightweight design while retaining its crash performance, an aluminum alloy component filled with foam has been adopted as an alternative lightweight material. In the paper, the effect of different types of filling on the automotive side member is studied. Impact performance is compared in terms of the automobile energy absorbing capability and also its occupant safety, measured in terms of head injury criteria (Manning) and chest severity index (CSI). It is shown that the partially filled side member with values of 513.6 (HIC15), 677.3 (HIC36), 807.2 (CSI) and a weight of 5.45kg is found to yield lower potential of injury, and higher specific energy absorption (SEA) compared to an empty side member. It can be concluded that, even though the fully filled side member shows remarkable performance in terms of HIC, it increases the chances of injury to the chest. Future study can include different types of foam for performance improvement.
References
Adekunle, A. S., Adebiyi, K. A., & Durowoju, M. O. (2013). Impact of quench severity and hardness on aisi 4137 using eco-friendly quenchants as industrial heat treatment. Journal of Mechanical Engineering and Sciences, 4, 409-417.
Carle, D., & Blount, G. (1999). The suitability of aluminium as an alternative material for car bodies. Journal of Material & Design, 20, 267-272.
Davies, G. (2003). Materials for consideration and use in automotive body structures Materials for automobile bodies (pp. 61-98). Oxford: Butterworth-Heinemann.
Deb, A., Gupta, N. K., Biswas, U., & Mahendrakumar, M. S. (2005). Designing for head impact safety using a combination of lumped parameter and finite element modeling. International Journal of Crashworthiness, 10(3), 249-257.
Gong, S. W., Lee, H. P., & Lu, C. (2008). Computational simulation of the human head response to non-contact impact. Computers & Structures, 86, 758-770.
Hou, S., Li, Q., Long, S., Yang, X., & Li, W. (2009). Crashworthiness design for foam filled thin-wall structures. Materials & Design, 30(6), 2024-2032.
Koffler, C., & Rohde-Brandenburger, K. (2010). On the calculation of fuel savings through lightweight design in automotive life cycle assessments. The International Journal of Life Cycle Assessment, 15(1), 128-135.
Manning, R., Ewing, J. (2009). .RACQ Vehicles Technologies. (2009). Temperatures in cars survey. RACQ Vehicles Technologies, 1-21.
Miller, W. S., Zhuang, L., Bottema, J., Wittebrood, A. J., De Smet, P., Haszler, A., & Vieregge, A. (2000). Recent development in aluminium alloys for the automotive industry. Materials Science and Engineering A, 280(1), 37-49.
Reyes, A., Langseth, M., & Hopperstad, O. S. (2002). Crashworthiness of aluminum extrusions subjected to oblique loading: Experiments and numerical analyses. International Journal of Mechanical Sciences, 44(9), 1965-1984.
Verjedo, R., R. Stampfli, M. Alvarez-Lainez, S. Mourad, M.A Rodriguez-Perez, P.A. Bruhwiler, and M. Shaffer. . (2009). Enhanced acoustic damping in flexible polyurethane foam filled with carbon nanotubes. Composites Science and Technology, 69, 1564-1569.
