ad476af9b3
Added the interfacial pressure-work terms according to: Ishii, M., Hibiki, T., Thermo-fluid dynamics of two-phase flow, ISBN-10: 0-387-28321-8, 2006 While this is the most common approach to handling the interfacial pressure-work it introduces numerical stability issues in regions of low phase-fraction and rapid flow deformation. To alleviate this problem an optional limiter may be applied to the pressure-work term in either of the energy forms. This may specified in the "thermophysicalProperties.<phase>" file, e.g. pressureWorkAlphaLimit 1e-3; which sets the pressure work term to 0 for phase-fractions below 1e-3. For particularly unstable cases a limit of 1e-2 may be necessary.
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About OpenFOAM
OpenFOAM is a free, open source computational fluid dynamics (CFD) software package released by the OpenFOAM Foundation. It has a large user base across most areas of engineering and science, from both commercial and academic organisations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics.
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OpenFOAM is free software: you can redistribute it and/or modify it under the
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version. See the file COPYING in this directory or
http://www.gnu.org/licenses/, for a description of the GNU General Public
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