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摘要：
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采用目前国际上广为应用的DELFT3D软件技术,建立潮流、风浪和泥沙即时耦合计算的二维数学模型,研究龙口港航道扩建工程疏浚土扩散问题。模型建成后,通过实测潮流、潮位和长时段地形变化资料,对模型进行有关参数的率定。在计算成果与实测资料达到相似要求后,首先对疏浚土形成的漂浮水质点运动进行分析,得出了漂浮水质点运移轨迹及影响范围,然后对疏浚土形成的悬移泥沙进行模拟,分析了疏浚土随潮流运动扩散输移而引起的悬浮泥沙的可能分布及影响范围。研究结果表明,抛泥区距港区和航道较远,不会对港区、航道造成影响。
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Using the famous DELFT3D software technique in the world,it was made that the two dimention mathematical model with tidal current,wave and sediment.Transport and spread on dredge sediment of channel extension in Longkou Port was studied by the model.The model was verified with the nature data,and the calculated result of model was consistent with the nature data by adjusting some parameters.Then the movement way that float masses from dredge sediment was analyzed,and the transport curve of the mass in the reclaimed area was obtained;furthermore,transport and spread of suspend sediment was simulated too,and the extent of suspend sediment was displayed.The results show that mud-discarding area is far from the harbour area and channel,and has not impact on them.
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基金项目：
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作者简介：
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参考文献：
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[1]刘臣,刘哲.龙口港扩建工程航道规划潮流分析[J].水道港口,2008,29(3):175-178
[2]Delft3D-Flow User Manual[K].Netherlands:WL Delft Hydraulics,2005.
[3]刘臣,张华庆,万建国.赣江万安水利枢纽回水变动区二维水沙模型的建立与研究[J].水动力学研究与进展,2002,17(1):84-97.
[4]刘臣,刘哲,平克军.滨州港大堡泊位扩建工程潮流分析[J].水道港口,2007,28(4):240-244.
[5]刘臣,平克军,岳翠萍.那吉至鱼梁河段航道整治[J].水道港口,2006,27(1):23-26.
[6]Delft3D-Wave User Manual[K].Netherlands:WL Delft Hydraulics,2005.
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