1. Associate Professor, School of Hydraulic Engineering, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
2. Ph.D. graduate, School of Hydraulic Engineering, Dalian Univ. of Technology, Dalian 116024, China.
3. Associate Professor, School of Hydraulic Engineering, Dalian Univ. of Technology, Dalian 116024, China.