1. Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200072, China
2. Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai 200072, China
3. Shanghai Institute of Aircraft Mechanics and Control, Zhangwu Road, Shanghai 200092, China
4. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA