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surfaceFilmModels::contactAngleForce: Use of boundary values of surface tension and contact angle

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This commit is contained in:
Henry Weller
2017-03-31 20:46:52 +01:00
parent 51af7c4d78
commit 05d945c9ce
1 changed files with 15 additions and 12 deletions
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27
src/regionModels/surfaceFilmModels/submodels/kinematic/force/contactAngleForces/contactAngleForce/contactAngleForce.C
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@ -27,7 +27,6 @@ License
#include "addToRunTimeSelectionTable.H"
#include "fvcGrad.H"
#include "unitConversion.H"
#include "fvPatchField.H"
#include "meshWavePatchDistMethod.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -188,25 +187,27 @@ tmp<fvVectorMatrix> contactAngleForce::correct(volVectorField& U)
{
if (!filmModel_.isCoupledPatch(patchi))
{
const fvPatchField<scalar>& alphaf = alpha.boundaryField()[patchi];
const fvPatchField<scalar>& maskf = mask_.boundaryField()[patchi];
const scalarField& invDx = alphaf.patch().deltaCoeffs();
const labelUList& faceCells = alphaf.patch().faceCells();
const fvPatchField<scalar>& alphaPf = alpha.boundaryField()[patchi];
const fvPatchField<scalar>& maskPf = mask_.boundaryField()[patchi];
const fvPatchField<scalar>& sigmaPf = sigma.boundaryField()[patchi];
const fvPatchField<scalar>& thetaPf = theta.boundaryField()[patchi];
const scalarField& invDx = alphaPf.patch().deltaCoeffs();
const labelUList& faceCells = alphaPf.patch().faceCells();
forAll(alphaf, facei)
forAll(alphaPf, facei)
{
if (maskf[facei] > 0.5)
if (maskPf[facei] > 0.5)
{
label cellO = faceCells[facei];
if ((alpha[cellO] > 0.5) && (alphaf[facei] < 0.5))
if ((alpha[cellO] > 0.5) && (alphaPf[facei] < 0.5))
{
const vector n =
gradAlpha[cellO]
/(mag(gradAlpha[cellO]) + ROOTVSMALL);
const scalar cosTheta = cos(degToRad(theta[cellO]));
const scalar cosTheta = cos(degToRad(thetaPf[facei]));
force[cellO] +=
Ccf_*n*sigma[cellO]*(1 - cosTheta)/invDx[facei];
Ccf_*n*sigmaPf[facei]*(1 - cosTheta)/invDx[facei];
}
}
}
@ -220,8 +221,10 @@ tmp<fvVectorMatrix> contactAngleForce::correct(volVectorField& U)
tForce().write();
}
tmp<fvVectorMatrix>
tfvm(new fvVectorMatrix(U, dimForce/dimArea*dimVolume));
tmp<fvVectorMatrix> tfvm
(
new fvVectorMatrix(U, dimForce/dimArea*dimVolume)
);
tfvm.ref() += tForce;