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varRhoTurbVOF: A new set of volume of fluid solvers for turbulent isothermal multiphase flows in OpenFOAM
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Engineering.ORCID iD: 0000-0002-4038-4120
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Engineering.ORCID iD: 0000-0001-5595-1952
2020 (English)In: Computer Physics Communications, ISSN 0010-4655, E-ISSN 1879-2944, Vol. 247, article id 106876Article in journal (Refereed) Published
Abstract [en]

The volume of fluid (VOF) method is a popular approach for multiphase flow modeling. The open-source computational fluid dynamics (CFD) software, OpenFOAM, implements a variety of VOF-based solvers and provides users a wide range of turbulence models. Since isothermal multiphase flows under the VOF framework belong to the variable-density incompressible flow category, the isothermal VOF-based solvers in OpenFOAM fail to use the correct turbulence models. varRhoTurbVOF is designed to solve this issue and with the hope to replace all the corresponding existing solvers in the future. With the object-oriented paradigm, varRhoTurbVOF guarantees the usability, reusability and maintainability of the codes. Aside from turbulence modeling, all other features in the original solvers are preserved in varRhoTurbVOF. Program summary: Program Title: varRhoTurbVOF Program Files doi: http://dx.doi.org/10.17632/4t8z8vzyvs.1 Licensing provisions: GPLv3 Programming language: C++ Supplementary material: http://dx.doi.org/10.17632/7mp25kyb4p.4 Nature of problem: Under the VOF framework, the flow of the isothermal mixture belongs to the variable-density incompressible flow category. For such flows, VOF-based solvers of OpenFOAM fail to construct the correct governing equations for turbulence modeling. varRhoTurbVOF contains a set of newly designed VOF-based solvers which could use the desired governing equations for turbulence quantities. Solution method: varRhoTurbVOF creates a new class for variable-density incompressible turbulence models, which allows reusing the existing turbulence model template classes. A set of VOF-based solvers are then created to be able to construct variable-density incompressible turbulence models.

Place, publisher, year, edition, pages
Elsevier B.V. , 2020. Vol. 247, article id 106876
Keywords [en]
CFD, OpenFOAM, Turbulence modeling, Variable-density incompressible flow, VOF, C++ (programming language), Incompressible flow, Isotherms, Multiphase flow, Object oriented programming, Open source software, Open systems, Reusability, Turbulence models, Governing equations, Incompressible turbulence, Multi-phase flow models, Object oriented paradigm, Variable density, Volume of fluid method, Volume of fluids, Computational fluid dynamics
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-263257DOI: 10.1016/j.cpc.2019.106876ISI: 000503093400023Scopus ID: 2-s2.0-85071451876OAI: oai:DiVA.org:kth-263257DiVA, id: diva2:1368160
Note

QC 20191106. QC 20200109

Available from: 2019-11-06 Created: 2019-11-06 Last updated: 2020-01-09Bibliographically approved

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Fan, WenyuanAnglart, Henryk

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