Crashworthiness analysis of octagonal multi-cell tube with functionally graded thickness under multiple loading angles

Yafeng Chen, Zhonghao Bai, Linwei Zhang, Yulong Wang, Guangyong Sun,Libo Cao.
Thin-Walled Structures, 110, 133-139.
DOI: https://doi.org/10.1016/j.tws.2016.11.001