Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

An Extension of the All-Mach Number Pressure-Based Solution Framework for Numerical Modelling of Two-Phase Flows with Interface

Version 1 : Received: 19 May 2022 / Approved: 31 May 2022 / Online: 31 May 2022 (07:09:48 CEST)

How to cite: Kraposhin, M.; Kukharskii, A.; Korchagova, V.; Shevelev, A. An Extension of the All-Mach Number Pressure-Based Solution Framework for Numerical Modelling of Two-Phase Flows with Interface. Preprints 2022, 2022050412. https://doi.org/10.20944/preprints202205.0412.v1 Kraposhin, M.; Kukharskii, A.; Korchagova, V.; Shevelev, A. An Extension of the All-Mach Number Pressure-Based Solution Framework for Numerical Modelling of Two-Phase Flows with Interface. Preprints 2022, 2022050412. https://doi.org/10.20944/preprints202205.0412.v1

Abstract

In this paper, we present the extension of the pressure-based solver designed for the simulation of compressible and/or incompressible two-phase flows of viscous fluids. The core of the numerical scheme is based on the hybrid Kurganov— Noele — Petrova/PIMPLE algorithm. The governing equations are discretized in the conservative form and solved for velocity and pressure, with the density evaluated by an equation of state. The acoustic-conservative interface discretization technique helps to prevent the unphysical instabilities on the interface. The solver was validated on various cases in wide range of Mach number, both for single-phase and two-phase flows. The numerical algorithm was implemented on the basis of the well-known open-source Computational Fluid Dynamics library OpenFOAM in the solver called interTwoPhaseCentralFoam. The source code and the pack of test cases are available on GitHub: https://github.com/unicfdlab/hybridCentralSolvers

Supplementary and Associated Material

https://github.com/unicfdlab/hybridCentralSolvers: Repository with the developed solver

Keywords

two-phase flow; compressible flow; interfacial flow; computational hydrodynamic; computational gas dynamic; finite volume method; OpenFOAM; All-Mach number solver

Subject

Physical Sciences, Fluids and Plasmas Physics

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