Yuanpei Chen Fanming Meng Xiansheng Gong Parametric modeling and comparative finite element analysis of spiral triangular strand and simple straight strand. 63-75 2015 90 Adv. Eng. Softw. https://doi.org/10.1016/j.advengsoft.2015.06.011 db/journals/aes/aes90.html#ChenMG15