1. Ph.D. Student, Institute of Hydropower and Hydroinformatics, School of Hydraulic Engineering, Dalian Univ. of Technology, Dalian 116024, China.
2. Professor, Institute of Hydropower and Hydroinformatics, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
3. Associate Professor, Institute of Hydropower and Hydroinformatics, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian Univ. of Technology, Dalian 116024, China.