1. Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province & School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 611756, P. R. China
2. Key Laboratory of CAD&CG, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Department of Engineering Mechanics & Soft Matter Research Center, Zhejiang University, Hangzhou 310027, P. R. China
3. Center for Soft Machines and Smart Devices, Huanjiang Laboratory, Zhuji 311816, P. R. China
4. Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, P. R. China