1. State Key Laboratory for Geomechanics and Deep Underground Engineering, School of Mechanics and Civil Engineering, School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China
2. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
3. College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, PR China
4. Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, USA