Affiliation: | 1. FML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;2. Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801, United States;3. Department of Mechanical Engineering, McMaster University, Hamilton, Ont., Canada L8S 4L7;4. Graduate Aeronautical Lab, California Institute of Technology, Pasadena, CA 91125, United States;5. Department of Civil Engineering, North Dakota State University, Fargo, ND 58105, United States;6. Division of Engineering, Brown University, Providence, RI 02912, United States |