1. State Key Laboratory of Mechanics and Control of Mechanical Structures, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2. School of Materials Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
3. Key Laboratory of High-precision Computation and Application of Quantum Field Theory of Hebei Province, College Physics Science & Technology, Hebei University, Baoding 071002, China