1. Graduate Student, Dept. of Civil and Environmental Engineering, Seoul National Univ., Seoul 08826, Republic of Korea; presently, Researcher, Coastal and Ocean Engineering Div., Korea Institute of Ocean Science and Technology, Busan 49111, Republic of Korea. ORCID: .
2. Professor Emeritus, Dept. of Civil and Environmental Engineering, Seoul National Univ., Seoul 08826, Republic of Korea (corresponding author).