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2차원 연성모델을 적용한 불투과성 잠제 전면의 국부세굴 모의
이우동(Woo-Dong Lee),이재철(Jae-Cheol Lee),진동환(Dong-Hwan Jin),허동수(Dong-Soo Hur) 한국해양공학회 2016 韓國海洋工學會誌 Vol.30 No.6
In order to understand the characteristics of the topography change in front of an impermeable breakwater, a coupled model for a two-way analysis of the existing LES-WASS-2D and newly developed morphodynamic model was suggested. A comparison to existing experimental results revealed that the results computed using the 2-D hydro-morphodynamic model were in good agreement with the experimental results for the wave form, pore water pressure in the seabed, and topographical change in front of a submerged breakwater. It was shown that the two-way model suggested in this study is applicable to a morphological change in the seabed around a submerged breakwater. Then, using the numerical results, the topographical changes in front of an impermeable submerged breakwater were examined in relation to partial standing waves. Moreover, the characteristics of the local scour depths in front of them are also discussed in relation to incident wave conditions, sediment qualities, and submerged breakwater shapes.