Abstract
SummaryWe present a new method for simulating incompressible immiscible two‐phase flow in porous media. The semi‐implicit method decouples the wetting phase pressure and saturation equations. The equations are discretized using a hybridizable discontinuous Galerkin method. The proposed method is of high order, conserves global/local mass balance, and the number of globally coupled degrees of freedom is significantly reduced compared to standard interior penalty discontinuous Galerkin methods. Several numerical examples illustrate the accuracy and robustness of the method. These examples include verification of convergence rates by manufactured solutions, common one‐dimensional benchmarks, and realistic discontinuous permeability fields.
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More From: International Journal for Numerical Methods in Engineering
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