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Journal of Korean Society of Coastal and Ocean Engineers > Volume 32(6); 2020 > Article
J Korean Soc Coast Ocean Eng 2020;32(6): 496-505. doi: https://doi.org/10.9765/KSCOE.2020.32.6.496
공진장치에 의한 지진해일파의 제어에 관한 수치시뮬레이션(II) (삼척항에 대해)
이광호1, 전종혁2, 김도삼3, 이윤두4
1가톨릭관동대학교 토목공학과 부교수
2일본 나고야대학 대학원 환경학연구과 박사과정
3한국해양대학교 건설공학과 교수
4부산광역시 건설안전시험사업소 도로보수팀장
Numerical Simulation on Control of Tsunami by Resonator (II) (for Samcheok port)
Kwang-Ho Lee1, Jong-Hyeok Jeon2, Do-Sam Kim3, Yun-Du Lee4
1Associate Professor, Dept. of Civil Eng., Catholic Kwandong University
2Doctor Course Student, Graduate School of Environmental Studies, Nagoya University, Japan)
3Professor, Dept. of Civil Eng., Korea Maritime and Ocean Univ., 727 Taejong-ro, Yeongdo-ku, Busan 49112, Korea
4Deputy Director of Road Maintenance Team, Construction Safety Test Office, Busan Metropolitan City
Corresponding author: Do-Sam Kim ,Tel: +82-51-410-4463, Fax: +82-51-403-0656, Email: kimds@kmou.ac.kr
Received: November 20, 2020;  Revised: December 8, 2020.  Accepted: December 10, 2020.
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ABSTRACT
In the previous research, the effectiveness of resonator was confirmed through the numerical analysis on two cases with the use of existing resonator at the Mukho and Imwon ports located in the eastern coast of South Korea by discussing the reduction rates of 1983 Central East Sea tsunami, and 1993 Hokkaido Southwest off tsunami, respectively. In this study, the reduction rates of tsunami height with three different resonators, Type I, II-1, and II-2, at the Samcheok port were examined respectively through the numerical analysis using COMCOT model under the same condition as the previous study. It was discussed the spatial distribution of maximum height of tsunami, change of water level, and effectiveness of resonator with the presence of new types of resonator, and change of their sizes. As a result, the effectiveness of resonator was verified through the application of new types of resonator reducing about maximum 40% of tsunami height. In order to design the optimal resonator for the variety of site condition, it is necessary to research about the various cases applying different shape, arrangement, and size of resonator as further study.
Keywords: new typed-resonator, real sea, tsunami, reduction rate of tsunami height, Samcheok port, numerical analysis
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