[1] P. Thornton, "Energy absorption by foam filled structures," 0148-7191, 1980.
[2] B. Lampinen, "Effectiveness of polyurethane foam in energy absorbing structures," 1982.
[3] S. Reid, T. Reddy, and M. Gray, "Static and dynamic axial crushing of foam-filled sheet metal tubes," International Journal of Mechanical Sciences, vol. 28, pp. 295-322, 1986.
[4] T. Reddy and R. Wall, "Axial compression of foam-filled thin-walled circular tubes," International Journal of Impact Engineering, vol. 7, pp. 151-166, 1988.
[5] W. Abramowicz and T. Wierzbicki, "Axial crushing of foam-filled columns," International Journal of Mechanical Sciences, vol. 30, pp. 263-271, 1988.
[6] S. Guillow, G. Lu, and R. Grzebieta, "Quasi-static axial compression of thin-walled circular aluminium tubes," International Journal of Mechanical Sciences, vol. 43, pp. 2103-2123, 2001.
[7] M. Langseth, O. Hopperstad, and A. Hanssen, "Crash behaviour of thin-walled aluminium members," Thin-walled structures, vol. 32, pp. 127-150, 1998.
[8] S. Hosseinipour and G. Daneshi, "Energy absorbtion and mean crushing load of thin-walled grooved tubes under axial compression," Thin-Walled Structures, vol. 41, pp. 31-46, 2003.
[9] X. Zhang, H. Su, and T. Yu, "Energy absorption of an axially crushed square tube with a buckling initiator," International Journal of Impact Engineering, vol. 36, pp. 402-417, 2009.
[10] X. Zhang, Q. Tian, and T. Yu, "Axial crushing of circular tubes with buckling initiators," Thin-walled structures, vol. 47, pp. 788-797, 2009.
[11] A. Ghamarian and M. Tahaye Abadi, "Axial crushing analysis of end-capped circular tubes," Thin-Walled Structures, vol. 49, pp. 743-752, 2011.
[12] W. Yan, E. Durif, Y. Yamada, and C. e. Wen, "Crushing simulation of foam-filled aluminium tubes," Materials transactions, vol. 48, pp. 1901-1906, 2007.
[13] L. Mirfendereski, M. Salimi, and S. Ziaei-Rad, "Parametric study and numerical analysis of empty and foam-filled thin-walled tubes under static and dynamic loadings," International Journal of Mechanical Sciences, vol. 50, pp. 1042-1057, 2008.
[14] S. Y. Maaita, "Effects of constrained foam deformation inaluminum tubes under quasi-static and dynamic axial compression loading," 2004.
[15] H. Zarei and A. Ghamarian, "Experimental and Numerical Crashworthiness Investigation of Empty and Foam-Filled Thin-Walled Tubes with Shallow Spherical Caps," Experimental Mechanics, pp. 1-12, 2013.
[16] A. R. Ghani and M. Hassan, "AXIAL CRUSH BEHAVIOUR OF SQUARE COLUMN WITH EXTERNAL TAPERED PLUNGER."2013.
[17] A. Aljawi, "Numerical simulation of axial crushing of circular tubes," JKAU: Eng. Sci, vol. 14, pp. 3-17, 2002.