Numerical modeling of fluid flow in anisotropic fractured porous media |
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Authors: | P N Vabishchevich A V Grigoriev |
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Institution: | 1.North-Eastern Federal University,Yakutsk, Sakha (Yakutiya) Republic,Russia |
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Abstract: | A model of double porosity in the case of an anisotropic fractured porous medium is considered (Dmitriev, Maksimov; 2007). A function of fluid exchange between the fractures and porous blocks depending on flow direction is given. The flow function is based on the difference between the pressure gradients. This feature enables one to take into account anisotropic properties of filtration in a more general form. The results of numerical solving a model two-dimensional problem are presented. The computational algorithm is based on a finite-element space approximation and explicit-implicit time approximations. |
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