Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4370
Title: Finite element and coupled finite element/smooth particle hydrodynamics modeling of the quasi-static crushing of empty and foam-filled single, bitubular and constraint hexagonal- and square-packed aluminum tubes
Authors: Aktay, Levent
Kröplin, Bernd Helmut
Toksoy, Ahmet Kaan
Güden, Mustafa
Keywords: Crashworthiness
Energy absorption
Crushing behavior
Foam filling
Aluminum foam
Energy absorbers
Issue Date: 2008
Publisher: Elsevier Ltd.
Source: Aktay, L., Kröplin, B. H., Toksoy, A. K. & Güden, M. (2008). Finite element and coupled finite element/smooth particle hydrodynamics modeling of the quasi-static crushing of empty and foam-filled single, bitubular and constraint hexagonal- and square-packed aluminum tubes, Materials & Design, 29(5), 952-962. doi:10.1016/j.matdes.2007.03.019
Abstract: The quasi-static axial crushing behavior of empty and Al and polystyrene foam-filled Al single, bitubular and multi-tube-packed (hexagonal and square packing) configurations were investigated experimentally and numerically. Tubes were modeled using finite element and coupled finite element/smooth particle hydrodynamics. The numerical specific absorbed energy (SAE) values, deformation patterns, load values and number of folds formed were found to show agreements with those of experiments. Among the tested tube configurations only hexagonal- and square-packed empty tube designs showed increased SAE values over that of single empty tube. Furthermore, foam-filled multi-tube designs both hexagonal- and square-packed designs were found energetically more efficient than Al foam-filled single tubes at similar foam filler densities. The increased SAE values of multi-tubes were attributed to the frictional forces of the multi-tube designs and constraining effect of the die walls accommodating the tubes.
URI: http://doi.org/10.1016/j.matdes.2007.03.019
http://hdl.handle.net/11147/4370
ISSN: 0264-1275
1873-4197
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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