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twoPhaseModels::interfaceProperties: Correct alpha2 after alpha1 contact angle BCs are updated

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Resolves bug-report https://bugs.openfoam.org/view.php?id=3594
This commit is contained in:
Henry Weller
2020-11-23 14:53:34 +00:00
parent d7d1221cd4
commit 92c9b112f0
4 changed files with 21 additions and 18 deletions
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2
applications/solvers/multiphase/compressibleInterFoam/twoPhaseMixtureThermo/twoPhaseMixtureThermo.C
View File

@ -43,7 +43,7 @@ Foam::twoPhaseMixtureThermo::twoPhaseMixtureThermo
:
rhoThermo::composite(U.mesh(), word::null),
twoPhaseMixture(U.mesh(), *this),
interfaceProperties(alpha1(), U, *this),
interfaceProperties(alpha1(), alpha2(), U, *this),
thermo1_(nullptr),
thermo2_(nullptr),
Alpha1_

2
src/twoPhaseModels/immiscibleIncompressibleTwoPhaseMixture/immiscibleIncompressibleTwoPhaseMixture.C
View File

@ -36,7 +36,7 @@ immiscibleIncompressibleTwoPhaseMixture
)
:
incompressibleTwoPhaseMixture(U, phi),
interfaceProperties(alpha1(), U, *this)
interfaceProperties(alpha1(), alpha2(), U, *this)
{}

27
src/twoPhaseModels/interfaceProperties/interfaceProperties.C
View File

@ -43,30 +43,28 @@ void Foam::interfaceProperties::correctContactAngle
(
surfaceVectorField::Boundary& nHatb,
const surfaceVectorField::Boundary& gradAlphaf
) const
)
{
const fvMesh& mesh = alpha1_.mesh();
const volScalarField::Boundary& abf = alpha1_.boundaryField();
volScalarField::Boundary& a1bf = alpha1_.boundaryFieldRef();
volScalarField::Boundary& a2bf = alpha2_.boundaryFieldRef();
const fvBoundaryMesh& boundary = mesh.boundary();
forAll(boundary, patchi)
{
if (isA<alphaContactAngleFvPatchScalarField>(abf[patchi]))
if (isA<alphaContactAngleFvPatchScalarField>(a1bf[patchi]))
{
alphaContactAngleFvPatchScalarField& acap =
const_cast<alphaContactAngleFvPatchScalarField&>
alphaContactAngleFvPatchScalarField& a1cap =
refCast<alphaContactAngleFvPatchScalarField>
(
refCast<const alphaContactAngleFvPatchScalarField>
(
abf[patchi]
)
a1bf[patchi]
);
fvsPatchVectorField& nHatp = nHatb[patchi];
const scalarField theta
(
degToRad(acap.theta(U_.boundaryField()[patchi], nHatp))
degToRad(a1cap.theta(U_.boundaryField()[patchi], nHatp))
);
const vectorField nf
@ -93,8 +91,9 @@ void Foam::interfaceProperties::correctContactAngle
nHatp = a*nf + b*nHatp;
nHatp /= (mag(nHatp) + deltaN_.value());
acap.gradient() = (nf & nHatp)*mag(gradAlphaf[patchi]);
acap.evaluate();
a1cap.gradient() = (nf & nHatp)*mag(gradAlphaf[patchi]);
a1cap.evaluate();
a2bf[patchi] = 1 - a1cap;
}
}
}
@ -148,7 +147,8 @@ void Foam::interfaceProperties::calculateK()
Foam::interfaceProperties::interfaceProperties
(
const volScalarField& alpha1,
volScalarField& alpha1,
volScalarField& alpha2,
const volVectorField& U,
const IOdictionary& dict
)
@ -164,6 +164,7 @@ Foam::interfaceProperties::interfaceProperties
),
alpha1_(alpha1),
alpha2_(alpha2),
U_(U),
nHatf_

8
src/twoPhaseModels/interfaceProperties/interfaceProperties.H
View File

@ -66,7 +66,8 @@ class interfaceProperties
//- Stabilisation for normalisation of the interface normal
const dimensionedScalar deltaN_;
const volScalarField& alpha1_;
volScalarField& alpha1_;
volScalarField& alpha2_;
const volVectorField& U_;
surfaceScalarField nHatf_;
volScalarField K_;
@ -81,7 +82,7 @@ class interfaceProperties
(
surfaceVectorField::Boundary& nHat,
const surfaceVectorField::Boundary& gradAlphaf
) const;
);
//- Re-calculate the interface curvature
void calculateK();
@ -94,7 +95,8 @@ public:
//- Construct from volume fraction field gamma and IOdictionary
interfaceProperties
(
const volScalarField& alpha1,
volScalarField& alpha1,
volScalarField& alpha2,
const volVectorField& U,
const IOdictionary&
);