Based on the iterative solution of saturated-unsaturated quasi 3-d water flow model in large scale zone, a simplified model of solute transport was established.
在迭代求解区域饱和-非饱和拟三维渗流模型的基础上，建立区域溶质运移简化模型。
2
Soil hydraulic properties are the key information required in quantitatively modeling water flow and solute transport in the vadose zone, which can be predicted using pore scale network models.
土壤水力性质是研究非饱和带中水分和溶质运移的重要参数，可以用孔隙网络模型进行预测。
3
The simulation results show that mushy region is compressed and interdendritic solute-rich liquid flows toward the liquid core in the soft reduction action zone at the solidification end of the slab.