1. Ph.D. Candidate, Dept. of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China.
2. Professor, Dept. of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China; State Key Laboratory of Coastal and Offshore Engineering, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).