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Generalized difference simulation for coupled transport models of unsaturated soil water flow and solute

机译：非饱和土壤水与溶质耦合运移模型的广义差分模拟

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摘要

The generalized difference methods (GDM) have been successfully used in numerical simulations of unsaturated soil water flow problems. The object of this paper is to extend applications of the GDM, that is, apply GDM to numerically solve one-dimensional coupled transport models of unsaturated soil water flow and solute. The semi-discrete and fully discrete generalized difference schemes are established, and the detailed algorithm of numerical approximation schemes is provided. Moreover, some numerical examples illustrate that the generalized difference methods are feasible and efficient to find the numerical solutions of one-dimensional coupled transport models in this paper. Finally, satisfactory results and some other significant and valuable conclusions are obtained from studies.
机译：广义差分法（GDM）已成功地用于非饱和土壤水流问题的数值模拟。本文的目的是扩展GDM的应用范围，即应用GDM数值求解非饱和土壤水流和溶质的一维耦合传输模型。建立了半离散和完全离散广义差分格式，并提供了数值逼近方案的详细算法。此外，一些数值算例表明，广义差分法在寻找一维耦合传输模型的数值解中是可行和有效的。最后，从研究中获得了令人满意的结果以及一些其他重要而有价值的结论。

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    《Journal of the Franklin Institute》 |2011年第9期|p.2378-2389|共12页
  • 作者

    Huanrong Li;

  • 作者单位

    College of Mathematics and Statistics, Chongqing University of Technology and Business, Chongqing 400067, China;

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