1. Associate Professor, School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian Univ. of Technology, No. 2 Linggong Rd., Dalian 116024, China (corresponding author).
2. Professor, School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian Univ. of Technology, No. 2 Linggong Rd., Dalian 116024, China.