KIM, DO KYUN, OCEAN AND SHIP TECHNOLOGY RESEARCH GROUP, DEPARTMENT OF CIVIL ENGINEERING, UNIVERSITI TEKNOLOGI PETRONAS, 32610 SERI ISKANDAR, PERAK, MALAYSIA / GRADUATE INSTITUTE OF FERROUS TECHNOLOGY, POSTECH, POHANG, REPUBLIC OF KOREA / SCHOOL OF ENGINEERING, NEWCASTLE UNIVERSITY, NEWCASTLE UPON TYNE, UK, Malaysia