1. Research Center of Lightweight Structures and Intelligent Manufacturing, State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China
2. Wuhan Second Ship Design and Research Institute, Wuhan 430000, P. R. China
3. College of Mechanics and Materials, Hohai University, Nanjing 210024, P. R. China
4. Department of Civil Engineering, Nanyang Institute of Technology, Nanyang 473004, P. R. China