1. Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province & Department of Engineering Mechanics, Zhejiang University, Hangzhou, China
2. Department of Civil Engineering and Architecture, Zhejiang University, Hangzhou, China
3. Department of Engineering Mechanics, State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, China