1. Department of Engineering Mechanics, South China University of Technology, Guangzhou, Guangdong 510640, People's Republic of China
2. Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, Sichuan 610031, People's Republic of China
3. The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China
4. Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230027, People's Republic of China