Theoretical prediction and optimization of multi-cell hexagonal tubes under axial crashing

Na Qiu, Yunkai Gao, Jianguang Fang, Zhaoxuan Feng, Guangyong Sun,Qing Li.
Thin-Walled Structures, 102, 111-121.
DOI: https://doi.org/10.1016/j.tws.2016.01.023