1. University of Dundee Department of Civil Engineering, School of Science and Engineering, , Dundee DD1 4HN , UK ;
2. Harbin Engineering University College of Shipbuilding Engineering, , Harbin 150001 , China
3. University of Hawaii at Manoa Department of Ocean and Resources Engineering, SOEST, , 2540 Dole St., Holmes 402, Honolulu, HI 96822 ;
4. College of Shipbuilding Engineering, Harbin Engineering University , Harbin 150001 , China