1. Ph.D. Candidate, Dept. of Engineering Mechanics, Southeast Univ., Sipailou 2#, Nanjing 210096, China.
2. Associate Professor, Dept. of Engineering Mechanics, Southeast Univ., Sipailou 2#, Nanjing 210096, China.
3. Professor, Dept. of Engineering Mechanics, Southeast Univ., Sipailou 2#, Nanjing 210096, China (corresponding author).