A hybrid mixed finite element method for miscible displacement problem with MCC procedure

Jiansong Zhang and Yuezhi Zhang

Applied Mathematics and Computation, 2019, vol. 346, issue C, 143-154

Abstract: A new combined method is developed for solving incompressible miscible displacement in porous media. In this method, a hybrid mixed element method is constructed for the pressure and velocity equation, while a mass-conservative characteristic (MCC) finite element method is presented for concentration equation. The introduction of these two numerical algorithms not only makes the coefficient matrixes symmetric positive definite, but also keeps the mass balance. The stability and consistence of this method are analyzed and the optimal error estimates in L2-norm for velocity, concentration and pressure are derived. Finally, some numerical results are presented.

Keywords: Hybrid mixed element method; MCC method; Miscible displacement problem; Error estimate (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:346:y:2019:i:c:p:143-154

DOI: 10.1016/j.amc.2018.10.045

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