1. Professor, State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan Univ., Wuhan, Hubei, 430072, P.R. China (corresponding author).
2. Doctor, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing, Jiangsu 210098, P.R. China.
3. Professor, Laboratoire De Mécanique de Lille, UMR 8107, Lille Univ. of Science and Technology, Cite Scientifique, 59656 Villeneuve D’Ascq, France.
4. Professor, LMR-DGC, Swiss Federal Institute of Technology in Lausanne, CH-1015 Lausanne, Switzerland.