On two-phase flow solvers in irregular domains with contact line

Autor: Elena Roxana Popescu, Frederic Gibou, Mathieu Lepilliez, Sébastien Tanguy
Přispěvatelé: Institut de mécanique des fluides de Toulouse (IMFT), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Centre National d'Études Spatiales [Toulouse] (CNES), Airbus [France], University of California [Santa Barbara] (UCSB), University of California, Airbus (FRANCE), Centre National d'Études Spatiales - CNES (FRANCE), Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut National Polytechnique de Toulouse - INPT (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), University of California - UC Santa Barbara (USA), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Rok vydání: 2016
Předmět:
Physique Numérique
Level set method
Physics and Astronomy (miscellaneous)
Mécanique des fluides
Direct numerical simulation
Boundary (topology)
Geometry
010103 numerical & computational mathematics
01 natural sciences
010305 fluids & plasmas
[PHYS.PHYS.PHYS-COMP-PH]Physics [physics]/Physics [physics]/Computational Physics [physics.comp-ph]
Physics::Fluid Dynamics
0103 physical sciences
Neumann boundary condition
Contact lines
[PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph]
Boundary value problem
0101 mathematics
Mathematics
Numerical Analysis
Applied Mathematics
Numerical analysis
Sharp interface methods
Mechanics
Solver
Computer Science Applications
Computational Mathematics
Modeling and Simulation
Implicit viscosity
Two-phase flow
Ghost-Fluid Method
Irregular domains
Zdroj: Journal of Computational Physics
Journal of Computational Physics, Elsevier, 2016, 321, pp.1217-1251. ⟨10.1016/j.jcp.2016.06.013⟩
ISSN: 0021-9991
1090-2716
DOI: 10.1016/j.jcp.2016.06.013
Popis: International audience; We present numerical methods that enable the direct numerical simulation of two-phase flows in irregular domains. A method is presented to account for surface tension effects in a mesh cell containing a triple line between the liquid, gas and solid phases. Our numerical method is based on the level-set method to capture the liquid–gas interface and on the single-phase Navier–Stokes solver in irregular domain proposed in [35]to impose the solid boundary in an Eulerian framework. We also present a strategy for the implicit treatment of the viscous term and how to impose both a Neumann boundary condition and a jump condition when solving for the pressure field. Special care is given on how to take into account the contact angle, the no-slip boundary condition for the velocity field and the volume forces. Finally, we present numerical results in two and three spatial dimensions evaluating our simulations with several benchmarks.
Databáze: OpenAIRE
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