1. Computational Aerodynamics Institution, China Aerodynamics Research and Development Center, Mianyang 621000, China.
2. Ph.D. Candidate, College of Aerospace Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China.
3. Lecturer, College of Aerospace Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China.
4. Professor, College of Aerospace Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China (corresponding author).