港口航道与近海工程2025，Vol.62Issue(5)：1-6,13,7.DOI:10.16403/j.cnki.ggjs20250501
寿光羊口渔港建成后水沙运动模拟分析
Simulation analysis of water and sediment movement Based on Completed Shouguang Yangkou Fishing Port
张世超 1夏波 1王涵1
作者信息
- 1. 长沙理工大学水利与环境工程学院,湖南 长沙 410000
- 折叠
摘要
Abstract
By combining EFDC+model with SWAN,a 3D current-sediment-wave coupling model covering Bohai Sea,Laizhou Bay and Fishing Port was built to investigate the rule of water-sediment movement around the completed Shouguang Yangkou Fishing Port.According to the model testing results,being affected by meandering waterway and local landform,the water current at the harbor basin generated dynamic back-flow zones on both sides of the main current,which varied with the change of tidal level.Sediment transport followed the periodic tide.The sediment in the trunk channel diffused into the harbor basin due to the expansion of cross-section,and deposited under the reduced flow velocity,with an annual average deposition rate of 0.15 m/a under the astronomical tide,declining continuously from the west to the east.The storm surge led to the peak value of the suspended sediment concentration at 0.5 kg/m³ in open sea,and 0.2 kg/m³ at the harbor basin.The sediment concentrated at the western basin and the channel entrance,which was spatially consistent with the back-flow zones.The research results revealed the sediment transport mechanism under the compound hydrodynamic forces.It was found that the dynamic back-flow structure and the abrupt topographic transition jointly caused the sedimentation spatial differentiation.These findings provided theoretical insights of hydrodynamic mechanism for the prevention and control of sedimentation at the dredged harbor basins.关键词
潮流/泥沙输移/挖入式港池/风暴潮/数值模拟Key words
tide/sediment transport/dredged harbor basin/storm surge/numerical simulation分类
建筑与水利引用本文复制引用
张世超,夏波,王涵..寿光羊口渔港建成后水沙运动模拟分析[J].港口航道与近海工程,2025,62(5):1-6,13,7.
