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中文摘要：
建立了平面2D潮流和增量悬沙输移扩散的数学模型，通过非结构网格的有限单元法离散求解。应用该模型对苍南电厂港池和航道疏浚物抛泥过程中悬沙扩散输移模拟，模拟结果与工程施工过程的监测结果吻合较好，数字化的再现了抛泥过程中悬沙的输移扩散机理，为苍南电厂港池和外航道疏浚物倾倒区选划和环境影响评价提供了依据。
英文摘要：
The planar 2D tide and increment suspend sediment numerical model were established and solved by finite-element method with the unstructured mesh, The model was applied to simulate the process of disposing of spoil from dredging up in the harbor basin and navigation in Cangnan Power Plant. The result showed the convection-diffusion mechanism of increased suspend sediment root of dredging up on computer and provided the evidence for the layout in the disposal area.
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