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A new MMOCAA-MFE method for compressible miscible displacement in porous media
Combining the modified method of characteristics with adjusted advection with a splitting positive definite mixed element scheme, we establish a new mixed finite element procedure for solving compressible miscible displacement in porous media. This procedure can preserve the mass conservation global...
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Published in: | Applied numerical mathematics 2014-06, Vol.80, p.65-80 |
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container_title | Applied numerical mathematics |
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creator | Zhang, Jiansong Yang, Danping Shen, Shuqian Zhu, Jiang |
description | Combining the modified method of characteristics with adjusted advection with a splitting positive definite mixed element scheme, we establish a new mixed finite element procedure for solving compressible miscible displacement in porous media. This procedure can preserve the mass conservation globally, the coefficient matrix of the mixed system is symmetric positive definite and the flux equation is separated from the pressure equation. We analyse the convergence and give an optimal L2-norm error estimate. Finally we present some numerical results to confirm our theoretical analysis. |
doi_str_mv | 10.1016/j.apnum.2014.03.001 |
format | article |
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subjects | Convergence Displacement Flux Mathematical analysis Mathematical models Media Miscible displacement MMOC MMOCAA Optimization Preserves Splitting system |
title | A new MMOCAA-MFE method for compressible miscible displacement in porous media |
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