1. Ph.D. Student, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan Univ., Changsha, Hunan 410082, China.
2. Professor, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan Univ., Changsha, Hunan 410082, China (corresponding author).
3. Master Student, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan Univ., Changsha, Hunan 410082, China.
4. Assistant Professor, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan Univ., Changsha, Hunan 410082, China.