Simulation of two-phase flow in porous rocks on a laboratory scale: Diffusion operator splitting and consistency (Q1095000)
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scientific article; zbMATH DE number 4027104
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Simulation of two-phase flow in porous rocks on a laboratory scale: Diffusion operator splitting and consistency |
scientific article; zbMATH DE number 4027104 |
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Simulation of two-phase flow in porous rocks on a laboratory scale: Diffusion operator splitting and consistency (English)
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1987
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The one-dimensional nonlinear saturation convection-diffusion equation in reservoir dynamics is solved numerically by an operator-splitting technique. This splitting, the implicit boundary conditions, and a saturation constraint give rise to an ill-conditioned system of nonlinear discretized equations allowing for multiple solutions which is analyzed. The consistency of the problem regarding grid spacing versus diffusion is discussed, and a simple criterion is given for when diffusion should be omitted in the numerical model
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SOFTICE
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simulation by one-dimensional front tracking with inhomogeneities and capillary effects
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one-dimensional nonlinear saturation convection-diffusion equation
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reservoir dynamics
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operator- splitting technique
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implicit boundary conditions
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saturation constraint
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ill-conditioned system of nonlinear discretized equations
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