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| Numerical study of wave and longshore current interaction |
| 作者：TANG Jun SHEN Yongming SHI Feng ZHANG Ming； 出处：海洋学报：英文版. 2012,31(3).-10-17 |
| 关键词：water wave,longshore current,wave current interaction,numerical simulation,surf zone |
| 英文 |
| 文章摘要：Wave and longshore current interaction was examined based on the numerical models.In these models,water waves in the presence of longshore currents were modeled by parabolic mild slope equation,and wave breaking induced longshore currents were modeled by shallow water equation.Water wave provided the radiation stress gradients to drive current.Wave and longshore current interactions were considered by cycling the wave and longshore current models to a steady state.The experiments for regular and irregular breaking wave induced longshore currents by Hamilton and Ebersole（2001） and Reniers and Battjes（1997） were simulated.The numerical results indicate that the present models are effective for simulating the interaction of wave and breaking wave induced longshore currents,and the numerically simulated longshore current at wave breaking point considering wave and longshore current interaction show some disagreement with those neglecting the wave-current interaction,and the breaking wave induced longshore current effect on wave transformation is not obvious. |
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