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surfaceFilmModels::waxSolventEvaporation: Improved stability where film thickness -> 0

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This commit is contained in:
Henry Weller
2022-02-26 09:49:46 +00:00
parent d87a939ea6
commit e89c5736db
1 changed files with 11 additions and 7 deletions
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18
src/regionModels/surfaceFilmModels/submodels/thermo/phaseChangeModel/waxSolventEvaporation/waxSolventEvaporation.C
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@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org \\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2017-2021 OpenFOAM Foundation \\ / A nd | Copyright (C) 2017-2022 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -222,7 +222,7 @@ void waxSolventEvaporation::correctModel
); );
// Local surface temperature at which evaporation takes place // Local surface temperature at which evaporation takes place
scalarField Tloc(dMass.size()); scalarField Tloc(T);
bool filmPresent = false; bool filmPresent = false;
@ -320,14 +320,18 @@ void waxSolventEvaporation::correctModel
reduce(filmPresent, orOp<bool>()); reduce(filmPresent, orOp<bool>());
const dimensionedScalar rho0Bydt const volScalarField::Internal rho0Bydt
( (
"rho0Bydt", rho
dimDensity/dimTime, *max
rootVSmall/dt (
dimensionedScalar(dimLength, deltaMin_) - delta,
dimensionedScalar(dimLength, 0)
)
/(dimensionedScalar(dimTime, dt)*film.VbyA())
); );
volScalarField::Internal impingementRate const volScalarField::Internal impingementRate
( (
max max
( (