1. Associate Professor, State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin Univ., 135 Yaguan Rd., Tianjin 300350, China; College of Intelligence and Computing, Tianjin Univ., 135 Yaguan Rd., Tianjin 300350, China (corresponding author).
2. Graduate Student, College of Intelligence and Computing, Tianjin Univ., 135 Yaguan Rd., Tianjin 300350, China.
3. Associate Professor, Dept. of Mathematics and Computer Science, Eindhoven Univ. of Technology, P.O. Box 513, Eindhoven, 5600 MB, Netherlands.
4. Associate Professor, School of Engineering, Dept. of Civil Engineering and Architecture, Tallinn Univ. of Technology, Ehitajate tee 5, Tallinn 19086, Estonia.