Structural response and performance of hexagonal thin-walled grooved tubes under dynamic impact loading conditions
作者： Chukwuemeke William Isaac , Oluleke Oluwole
DOI: 10.1016/J.ENGSTRUCT.2018.04.053
关键词:
摘要: Abstract This paper numerically investigates the structural response and crashworthiness performance of a hexagonal thin-walled grooved tube subjected to axial oblique impact loading conditions. First, an analytical formulation that estimates mean crushing force total energy absorption are obtained for both circular tubes high dynamic The solutions model used verify compare approximate finite element model. inclusion grooves conventional shows great potential improving such as capacity, efficiency specific absorption. In further, parametric studies performed, deformation modes different models their force-displacement characteristics described. improved make them good candidate absorbers.
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