Comparative analysis of energy absorption capacity of simple and multi-cell thin-walled tubes with triangular, square, hexagonal and octagonal sections

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Modeling for CFRP structures subjected to quasi-static crushing (2018, background): “With the fast advances in computational techniques, the ability of numerical simulations for accurately predicting the crushing behaviors has improved remarkably, thereby reducing the development cycle and cost of composite components [17-20].”
On the crashworthiness performance of thin-walled energy absorbers: Recent advances and future developments (2017, methodology): “The multi-cell configurations was applied to the various cross-sectional shapes including hexagonal [46], triangular [41], square [42], [90]–[94], circular [56], [95], [96] octagonal [85], and tapered [97] tubes.”
Deformation, energy absorption and crushing behavior of single-, double- and multi-wall foam filled square and circular tubes (2015, background): “They found that hexagonal and octagonal sections absorb highest amount of energy per unit mass of sections among the sections considered [36].”