海阳中心渔港建设对附近海域冲淤的数值模拟预测

Numerical Simulation and Prediction of Erosion-Deposition Caused by the Construction of the Haiyang Central Fishing Harbor

利用MIKE21二维水动力模型,对海阳中心渔港建设前,以及两种预选方案建设后海域潮流分别进行数值模拟。在潮流模拟验证正确的基础上,建立了海底冲淤预测模型,预测了工程建设前后静风条件下全年冲淤趋势。并运用MIKE21Coupled ModelFM模块,模拟了极端天气条件(SE15m/s大风)浪流共同作用下工程附近海域的冲淤情况。根据方案建设前后潮流场、冲淤趋势进行分析,确定最优方案,为海阳中心渔港的规划设计提供决策参考。

The tidal currents in the waters before and after the construction of the Haiyang Central Fishing Harbor are numerically simulated by using the MIKE21two-dimensional hydrodynamic model.On the basis of correct verification of the tidal current simulation,a model for predicting the erosion-deposition on the sea bed is built up,by which the annual erosion-deposition trend under a calm wind is predicted for the waters before and after the harbor construction.By using the MIKE21Coupled Model FM,the erosion and deposition under the extreme weather（SE wind：15m/s）and the co-action of wave and current are simulated.Based on the results,optimal plans are suggested, thus providing references for the planning and designing of the Haiyang Central Fishing Harbor.