지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.2
- 수록면
- 82 - 90 (9page)
이용수
초록· 키워드
오류제보하기
Owing to the advantages of assuring the best views and seawater exchange, submerged breakwaters have been widely installed along the eastern coast of Korea in recent years. It significantly contributes to promoting the advancement of shorelines by partially inhibiting incident wave energy. Observations were carried out by a pressure-type wave gauge in the Bongpo Beach to evaluate the coefficients of wave transmission via a submerged breakwater, and the results obtained were compared with those of existing conventional equations on the transmission coefficient derived from hydraulic experiments. After reviewing the existing equations, we proposed a transmission coefficient equation in terms of an error function. Although it exhibited robust relationships with the crest height and breaking coefficient, deviations from the observed data were evident and considered to be triggered by the difference in the incident wave climate. Therefore, in this study, we conducted a numerical experiment to verify the influence of wave period on the coefficients of wave transmission, in which we adopted a parabolic-type mild-slope equation model. Consequently, the deviation from calculated results appears to practically cover all deviation range in the observed data. The wave period and direction of the incident wave increased, the transmission coefficient decreased, and the wave direction was determined to demonstrate a relatively significant influence on the transmission coefficient. It was inferred that this numerical study is expected to be used practically in evaluating the design achievement of the submerged breakwater, which is adopted as a countermeasure to coastal beach erosion.
목차
ABSTRACT
1. Introduction
2. Transmission Characteristics Analysis of Submerged Breakwater via Wave Observations
3. Transmission Coefficient Analysis of Submerged Breakwater via Numerical Modeling
4. Conclusion
References
참고문헌 (16)
참고문헌 신청
Ahrens, J.P. (1987). Characteristics of Reef Breakwaters (CERC-87-17). US Army Corps of Engineers.
Battjes, J.A. (1974). Surf Similarity. Coastal Engineering Proceedings, 1(14), 466-480. http://doi/org/10.9753/icce.v14.26
d’Angremond, K., Van der Meer, J.W., & De Jong, R.J. (1996). Wave Transmission at Low-Crested Structures. Proceedings of 25th International Conference on Coastal Engineering, ASCE, 3305-3318. https://doi.org/10.1061/9780784402429.187
Lee, J.L. (1994). Quasi-3D Wave-induced Circulation Model. Journal of The Korean Society of Coastal and Ocean Engineers, 6(4), 459-471.
Lee, J.L. (1998). A High-accuracy Approach for Modeling Flowdominated Transport. Transactions on Ecology and the Environment, 18, 277-286.
Battjes, J.A. (1974). Surf Similarity. Coastal Engineering Proceedings, 1(14), 466-480. http://doi/org/10.9753/icce.v14.26
d’Angremond, K., Van der Meer, J.W., & De Jong, R.J. (1996). Wave Transmission at Low-Crested Structures. Proceedings of 25th International Conference on Coastal Engineering, ASCE, 3305-3318. https://doi.org/10.1061/9780784402429.187
Lee, J.L. (1994). Quasi-3D Wave-induced Circulation Model. Journal of The Korean Society of Coastal and Ocean Engineers, 6(4), 459-471.
Lee, J.L. (1998). A High-accuracy Approach for Modeling Flowdominated Transport. Transactions on Ecology and the Environment, 18, 277-286.
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