Energy Absorption Capability of Composite Hexagonal Array Systems: Numerical Analysis

Abstract:

In this paper, in-plane dynamic crushing test of E-Glass hexagonal array systems has been carried out numerically, using LS-DYNA FE software package. Two array systems of woven E-Glass/epoxy hexagonal were studied; single column array system and multi-column array system. The volume of material used in all models was constant. The significant effects of changing arrays’ sequences and number of E-Glass layers in the hexagonal cells on the energy absorption capability are investigated. To validate the FEM, a single 45º hexagonal was modelled and crushed in X1 direction; the obtained numerical results were compared with the experimental results in terms of energy absorption capability, deformation modes and load-displacement curves, showing good agreement. Results obtained from single column array system showed that 1×4 array exhibited the higher energy absorption capability, whereas in multi-column array system, 4×3 array had the maximum value of energy absorbing compared to the whole studied models in this paper. As a conclusion, the multi-column array system has a higher energy absorption capability compared to the single column array system.

• Periodical: Applied Mechanics and Materials (Volume 878)
• Pages: 61-69
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.878.61
• Online since: February 2018
• Authors: Farah Alkhatib*, Elsadig Mahdi
• Keywords: Energy Absorption Capability, Finite Element Analysis, Hexagonal Arrays, LS-DYNA

References

[1] G. Kopp, et al., New Lightweight Structures for Advanced Automotive Vehicles–Safe and Modular. Proc. Soc. Behav. Sci. 48 (2012)350-362.

[2] E. Mahdi, A. Hamouda, Energy absorption capability of composite hexagonal ring systems. Mater. Des. 34 (2012) 201-210.

DOI: 10.1016/j.matdes.2011.07.070

[3] L. Yan, N. Chouw, Crashworthiness characteristics of flax fibre reinforced epoxy tubes for energy absorption application. Mater. Des. 51 (2013) 629-640.

DOI: 10.1016/j.matdes.2013.04.014

[4] H. Yin, et al., Multiobjective crashworthiness optimization of functionally lateral graded foam-filled tubes. Mater. Des. 44 (2013) 414-428.

DOI: 10.1016/j.matdes.2012.08.033

[5] R. A. Eshkoor, et al., Comparative research on the crashworthiness characteristics of woven natural silk/epoxy composite tubes. Mater. Des. 47 (2013) 248-257.

DOI: 10.1016/j.matdes.2012.11.030

[6] S. Ebrahimi, N. Vahdatazad, Multiobjective optimization and sensitivity analysis of honeycomb sandwich cylindrical columns under axial crushing loads. Thin-Wall. Struct. 88 (2015) 90-104.

DOI: 10.1016/j.tws.2014.12.004

[7] S. Palanivelu, et al., Crushing and energy absorption performance of different geometrical shapes of small-scale glass/polyester composite tubes under quasi-static loading conditions. Comp. Struct. 93(2) (2011) 992-1007.

DOI: 10.1016/j.compstruct.2010.06.021

[8] S. Ochelski, P. Gotowicki, Experimental assessment of energy absorption capability of carbon-epoxy and glass-epoxy composites. Comp. Struct. 87(3) (2009) 215-224.

DOI: 10.1016/j.compstruct.2008.01.010

[9] E. Mahdi, et al., Effect of hybridisation on crushing behaviour of carbon/glass fibre/epoxy circular–cylindrical shells. J. Mater. Proc. Tech. 132(1) (2003) 49-57.

DOI: 10.1016/s0924-0136(02)00260-1

[10] P. Paruka, M. K. M. Shah, M. A. Mannan, Influence of axial and oblique impact loads on crush response properties of square tube structures made with FRP pultruded composites. Proc. Eng. 68 (2013) 572-578.

DOI: 10.1016/j.proeng.2013.12.223

[11] A. Baroutaji, et al., Analysis and optimization of sandwich tubes energy absorbers under lateral loading. Int. J. Imp. Eng. 82 (2015) 74-88.

DOI: 10.1016/j.ijimpeng.2015.01.005

[12] L. Hu, F. You, T. Yu, Effect of cell-wall angle on the in-plane crushing behaviour of hexagonal honeycombs. Mater. Des. 46 (2013) 511-523.

DOI: 10.1016/j.matdes.2012.10.050

[13] R. J. D'Mello, A. M. Waas, Inplane crush response and energy absorption of circular cell honeycomb filled with elastomer. Comp. Struct. 106 (2013) 491-501.

DOI: 10.1016/j.compstruct.2013.05.054

[14] J. O. Hallquist, LS-DYNA3D theoretical manual. Livermore software technology corporation, (1993).

[15] P. Feraboli, et al., LS-DYNA MAT54 modeling of the axial crushing of a composite tape sinusoidal specimen. Comp. Part A: Appl. Sci. Manuf. 42(11) (2011) 1809-1825.

DOI: 10.1016/j.compositesa.2011.08.004

[16] D. Siromani, J. Awerbuch, T. M. Tan, Finite element modeling of the crushing behavior of thin-walled CFRP tubes under axial compression. Comp. Part B: Eng. 64 (2014) 50-58.

DOI: 10.1016/j.compositesb.2014.04.008

[17] H. El-Hage, P. Mallick, N. Zamani, Numerical modelling of quasi-static axial crush of square aluminium-composite hybrid tubes. Int. J. Crashworth. 9(6) (2004) 653-664.

DOI: 10.1533/ijcr.2004.0320