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
- 2019.2
- 수록면
- 76 - 84 (9page)
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초록· 키워드
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For decades, solitary waves have commonly been used to simulate tsunami conditions in numerical studies. However, the main component of a tsunami waveform acts at completely different spatial and temporal distributions than a solitary waveform. Thus, this study applied a 2-D numerical wave tank that included a non-reflected tsunami generation system based on Navier-Stokes equations (LES-WASS-2D) to directly simulate the run-up of a tsunami-like solitary wave on a slope. First, the waveform and velocity due to the virtual depth factor were applied to the numerical wave tank to generate a tsunami, which made it possible to generate the wide waveform of a tsunami, which was not reproduced with the existing solitary wave approximation theory. Then, to validate the applied numerical model, the validity and effectiveness of the numerical wave tank were verified by comparing the results with the results of a laboratory experiment on a tsunami run-up on a smooth impermeable 1:19.85 slope. Using the numerical results, the run-up characteristics due to a tsunami-like solitary wave on an impermeable slope were also discussed in relation to the volume ratio. The maximum run-up heights increased with the ratio of the tsunami waveform. Therefore, the tsunami run-up is highly likely to be underestimated compared to a real tsunami if the solitary wave of the approximation theory is applied in a tsunami simulation in a coastal region.
목차
ABSTRACT
1. 서론
2. 수치파동수조
3. 수치모의결과
4. 결론 및 고찰
References
참고문헌 (33)
참고문헌 신청
Baldock, T.E., Peiris, D., Hogg, A.J., 2012. Overtopping of Solitary Waves and Solitary Bores on a Plane Beach. Proceedings of the Royal Society of London, Series A, Mathematical and Physical Sciences, 468, 3494-3516.
Bozorgnia, M., Eftekharian, A., Lee, J.J., 2014. CFD Modeling of a Solitary Wave Overtopping Breakwater of Barying Submergence. Proceedings of the 34th International Conference on Coastal Engineering, ASCE, Seoul, Korea.
Brackbill, J.U., Kothe, D.B., Zemach, C., 1992. A Continuum Model for Modeling Surface Tension. Journal of Computational Physics, 100, 335-354.
Brorsen, M., Larsen, J., 1987. Source Generation of Nonlinear Gravity Waves with the Boundary Integral Equation Method. Coastal Engineering, 11, 93-113.
Chang, Y.H., Hwang, K.S., Hwung, H.H., 2009. Large-Scale Laboratory Measurements of Solitary Wave Inundation on a 1:20 Slope. Coastal Engineering, 56, 1022-1034.
Bozorgnia, M., Eftekharian, A., Lee, J.J., 2014. CFD Modeling of a Solitary Wave Overtopping Breakwater of Barying Submergence. Proceedings of the 34th International Conference on Coastal Engineering, ASCE, Seoul, Korea.
Brackbill, J.U., Kothe, D.B., Zemach, C., 1992. A Continuum Model for Modeling Surface Tension. Journal of Computational Physics, 100, 335-354.
Brorsen, M., Larsen, J., 1987. Source Generation of Nonlinear Gravity Waves with the Boundary Integral Equation Method. Coastal Engineering, 11, 93-113.
Chang, Y.H., Hwang, K.S., Hwung, H.H., 2009. Large-Scale Laboratory Measurements of Solitary Wave Inundation on a 1:20 Slope. Coastal Engineering, 56, 1022-1034.
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