Modeling flow in porous media using finite element method combined hybrid

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In this article phase flow in porous media using a combination of hybrid finite element method is implemented and resolved. Using the general definition of pressure and velocity equations, porous media flow in simpler form in terms of number has become. In this equation, the equation than the saturation pressure and little dependence but also speed directly Drmadlhy saturation appears. Bhhmyn due to reach acceptable solutions must be calculated quickly with good accuracy. Hybrid approach velocity and pressure equations together and simultaneously solves and Differentiating numerical errors caused by pressure from the field to reach the velocity field is avoided. Thus velocity field and pressure have the same accuracy. The saturation equation of a hybrid method is discrete. In this article Ykbdy fields and the two-dimensional method is solved. Results have shown that solutions obtained from this method, especially in large networks than other methods, including finite difference methods finite element Glrkyn is closer to the exact solution.
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Persian
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59
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