Global Riemann solver and front tracking approximation of three-component gas floods (Q2821872)
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scientific article; zbMATH DE number 6629470
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Global Riemann solver and front tracking approximation of three-component gas floods |
scientific article; zbMATH DE number 6629470 |
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Global Riemann solver and front tracking approximation of three-component gas floods (English)
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23 September 2016
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non-strictly hyperbolic conservation laws
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0.85997283
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0.8526145
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The author's study a \(2\times2\) system of non-strictly hyperbolic conservation laws arising in three-component gas flooding for enhanced oil recovery. The system is not strictly hyperbolic. In fact, along a curve in the domain one family is linearly degenerate, and along two other curves the system is parabolic degenerate. Through a constructive proof, authors show the existence and uniqueness for a solution of the global Riemann problem for a two-phase flow model with three-component gas flooding in reservoir simulation. The construction of the Riemann solution offers a front tracking algorithm, allowing numerical simulations for case studies.
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