Take advantages of the sharp-interface model and the diffusive interface model, the simulation work of this paper is focused on pure materials.

以纯物质的凝固过程为研究对象，利用明锐界面模型和扩散界面模型进行数值模拟工作。

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At last a physical model is made to show the sharp interface between saltwater and groundwater.

最后，用粘滞流物理模型做了盐、淡水之间突变界面的试验。

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