1. Dept. of CAE, Sichuan Tongsuan Technology Co., Ltd., Meishan, China.
2. China Academy of Railway Sciences Corporation Limited, Beijing; CRRC Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, China.
3. School of Civil Engineering, Lanzhou Jiaotong Univ., Lanzhou, China.
4. School of Mechanical Engineering, Shijiazhuang Tiedao Univ., Shijiazhuang, China.