1. Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province and Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
2. Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China
3. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
4. Research Institute of Zhejiang University-Shenzhen, Shenzhen 518057, China