![]() ![]() Guan, Study on the energy absorption of the expanding–splitting circular tube by experimental investigations and numerical simulations. Nurick, Axial splitting of circular tubes by means of blast load. Johnson, Long stroke energy dissipation in splitting tubes. Reid, Axial splitting of circular metal tubes. Karakaya, The effect of geometrical parameters on the energy absorption characteristics of thin-walled structures under axial impact loading. Grzebieta, Quasi-static axial compression of thin-walled circular aluminium tubes. Bayram, Multi-objective crashworthiness optimization of tapered thin-walled tubes with axisymmetric indentations. Mokhtarnezhad, Attempts to improve energy absorption characteristics of circular metal tubes subjected to axial loading. Zhang, Axial crushing of embedded multi-cell tubes. Wei, Experimental and numerical study of circular, stainless thin tube energy absorber under axial impact by a control rod. Jones, Structural Impact (Cambridge University Press, Cambridge, 1990) Reid, Metallic energy dissipating systems. As a result, it was found out that the tubes reinforced by a combination of horizontal and vertical lateral parts indicate higher energy dissipation capacities in addition to lower production costs. Finite element solution was adopted to simulate models’ deformation and energy absorption capacity. The methods include reinforcing the tubes by attaching horizontal and vertical lateral parts as well as using a combination of them. In this regard, three different methods have been studied in aid of improving the energy absorption capacity of the absorber systems in addition to economizing on the manufacturing cost. This mechanism dissipates energy through the circumferential expansions of the deformable tube and friction force between tubes. ![]() ![]() In this mechanism of energy dissipation, a rigid tube is being press-fitted into a deformable tube during the axial crushing. This study suggests three methods of enhancing energy dissipation capacity by means of the expansion of deformable tubes by a rigid tube in case of axial crushing. ![]()
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