1. Senior Lecturer, School of Engineering and Design, Brunel Univ., Uxbridge, Middlesex UB8 3PH, U.K. (corresponding author).
2. Research Fellow, School of Engineering and Design, Brunel Univ., Uxbridge, Middlesex UB8 3PH, U.K.; and Associate Professor, State Key Laboratory of Coastal and Offshore Engineering, Dalian Univ. of Technology, Dalian, China.
3. Ph.D. Student, School of Engineering and Design, Brunel Univ., Uxbridge, Middlesex UB8 3PH, U.K.