分层土壤模型 Multi-layer soil model
For the 1-D water infiltration through homogeneous soils and layered soils, the numerical model is established by characteristic finite element method. And the numerical simulation is performed.
3.利用特征有限元法分别建立了以负压h为因变量的一维匀质土壤水分运动方程和一维分层土壤水分运动方程的特征有限元数值模型,并且分别进行了数值模拟。
参考来源 - 特征有限元法及其在土壤水分运动数值模拟中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
实验测量了两层水平分层土壤结构下的接地电阻和土壤电阻率，证实了土壤分层模型的有效性和可靠性。
Finally grounding resistance and soil resistivity are measured under the condition of two-layer horizontal soil, and the model is proved to be reasonable.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化，得到了其特征有限元数值模型。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
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