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levelSet: Added volField-based functions

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This commit is contained in:
Will Bainbridge
2017-09-26 16:09:24 +01:00
parent 7207c2f98b
commit a53b263b7f
4 changed files with 209 additions and 134 deletions
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146
applications/utilities/preProcessing/setWaves/setWaves.C
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@ -102,15 +102,15 @@ int main(int argc, char *argv[])
);
// Create modelled fields on both cells and points
volScalarField height
volScalarField h
(
IOobject("height", runTime.timeName(), mesh),
IOobject("h", runTime.timeName(), mesh),
mesh,
dimensionedScalar("0", dimLength, 0)
);
pointScalarField heightp
pointScalarField hp
(
IOobject("heightp", runTime.timeName(), mesh),
IOobject("hp", runTime.timeName(), mesh),
pMesh,
dimensionedScalar("0", dimLength, 0)
);
@ -126,15 +126,15 @@ int main(int argc, char *argv[])
pMesh,
dimensionedVector("0", dimLength, vector::zero)
);
volVectorField uLiquid
volVectorField uLiq
(
IOobject("uLiquid", runTime.timeName(), mesh),
IOobject("uLiq", runTime.timeName(), mesh),
mesh,
dimensionedVector("0", dimVelocity, vector::zero)
);
pointVectorField uLiquidp
pointVectorField uLiqp
(
IOobject("uLiquidp", runTime.timeName(), mesh),
IOobject("uLiqp", runTime.timeName(), mesh),
pMesh,
dimensionedVector("0", dimLength, vector::zero)
);
@ -145,9 +145,6 @@ int main(int argc, char *argv[])
// Whether the alpha conditions refer to the liquid phase
bool liquid = false;
// The mean velocity of one of the wave patches
vector UMeanp = vector::zero;
// Loop the patches, averaging and superimposing wave model data
forAll(mesh.boundary(), patchi)
{
@ -179,8 +176,6 @@ int main(int argc, char *argv[])
const waveSuperposition& waves =
refCast<waveVelocityFvPatchVectorField>(Up).waves();
UMeanp = waves.UMean();
const bool liquidp =
refCast<waveAlphaFvPatchScalarField>(alphap).liquid();
if (nWaves > 0 && liquidp != liquid)
@ -198,47 +193,66 @@ int main(int argc, char *argv[])
const pointField& pts = mesh.points();
// Internal field superposition
height.primitiveFieldRef() += waves.height(t, ccs);
heightp.primitiveFieldRef() += waves.height(t, pts);
uGas.primitiveFieldRef() += waves.UGas(t, ccs) - UMeanp;
uGasp.primitiveFieldRef() += waves.UGas(t, pts) - UMeanp;
uLiquid.primitiveFieldRef() += waves.ULiquid(t, ccs) - UMeanp;
uLiquidp.primitiveFieldRef() += waves.ULiquid(t, pts) - UMeanp;
h.primitiveFieldRef() += waves.height(t, ccs);
hp.primitiveFieldRef() += waves.height(t, pts);
uGas.primitiveFieldRef() += waves.UGas(t, ccs) - waves.UMean();
uGasp.primitiveFieldRef() += waves.UGas(t, pts) - waves.UMean();
uLiq.primitiveFieldRef() += waves.ULiquid(t, ccs) - waves.UMean();
uLiqp.primitiveFieldRef() += waves.ULiquid(t, pts) - waves.UMean();
// Boundary field superposition
forAll(mesh.boundary(), patchj)
{
const pointField& fcs = mesh.boundary()[patchj].Cf();
height.boundaryFieldRef()[patchj] += waves.height(t, fcs);
uGas.boundaryFieldRef()[patchj] += waves.UGas(t, fcs) - UMeanp;
uLiquid.boundaryFieldRef()[patchj] +=
waves.ULiquid(t, fcs) - UMeanp;
h.boundaryFieldRef()[patchj] += waves.height(t, fcs);
uGas.boundaryFieldRef()[patchj] +=
waves.UGas(t, fcs) - waves.UMean();
uLiq.boundaryFieldRef()[patchj] +=
waves.ULiquid(t, fcs) - waves.UMean();
}
++ nWaves;
}
// Warn and skip to the next time if no wave patches were found
if (nWaves == 0)
{
WarningInFunction
<< "No " << waveAlphaFvPatchScalarField::typeName << " or "
<< waveVelocityFvPatchVectorField::typeName << " patch fields "
<< "were found. No waves have been set." << endl;
continue;
}
// Create the mean velocity field
volVectorField UMean
(
IOobject("UMean", runTime.timeName(), mesh),
mesh,
dimensionedVector("UMean", dimVelocity, UMeanp)
dimensionedVector("UMean", dimVelocity, Zero)
);
if (nWaves > 1)
if (nWaves == 0)
{
// Warn and skip to the next time if there are no wave patches
WarningInFunction
<< "No " << waveAlphaFvPatchScalarField::typeName << " or "
<< waveVelocityFvPatchVectorField::typeName << " patch fields "
<< "were found. No waves have been set." << endl;
continue;
}
else if (nWaves == 1)
{
// Set a mean velocity equal to that on the only wave patch
forAll(mesh.boundary(), patchi)
{
const fvPatchVectorField& Up = U.boundaryField()[patchi];
if (!isA<waveVelocityFvPatchVectorField>(Up))
{
continue;
}
const waveSuperposition& waves =
refCast<const waveVelocityFvPatchVectorField>(Up).waves();
UMean == dimensionedVector("UMean", dimVelocity, waves.UMean());
}
}
else if (nWaves > 1)
{
// Set the mean velocity by distance weighting from the wave patches
// Create weighted average fields for the mean velocity
volScalarField weight
(
@ -256,20 +270,14 @@ int main(int argc, char *argv[])
// Loop the patches, inverse-distance weighting the mean velocities
forAll(mesh.boundary(), patchi)
{
fvPatchScalarField& alphap = alpha.boundaryFieldRef()[patchi];
fvPatchVectorField& Up = U.boundaryFieldRef()[patchi];
const bool isWave = isA<waveAlphaFvPatchScalarField>(alphap);
if (!isWave)
const fvPatchVectorField& Up = U.boundaryField()[patchi];
if (!isA<waveVelocityFvPatchVectorField>(Up))
{
continue;
}
const waveSuperposition& waves =
refCast<waveVelocityFvPatchVectorField>(Up).waves();
UMeanp = waves.UMean();
refCast<const waveVelocityFvPatchVectorField>(Up).waves();
const volScalarField w
(
@ -279,62 +287,26 @@ int main(int argc, char *argv[])
+ dimensionedScalar("ySmall", dimLength, SMALL)
)
);
weight += w;
weightUMean +=
w*dimensionedVector("UMeanp", dimVelocity, UMeanp);
w*dimensionedVector("wUMean", dimVelocity, waves.UMean());
}
// Complete the average for the mean velocity
UMean = weightUMean/weight;
}
// Set the internal fields
alpha.ref() = levelSetFraction(mesh, height, heightp, !liquid);
U.ref() =
UMean
+ levelSetAverage
(
mesh,
height,
heightp,
uGas,
uGasp,
uLiquid,
uLiquidp
);
// Set the fields
alpha == levelSetFraction(h, hp, !liquid);
U == UMean + levelSetAverage(mesh, h, hp, uGas, uGasp, uLiq, uLiqp);
// Set the boundary fields
forAll(mesh.boundary(), patchi)
{
fvPatchScalarField& alphap = alpha.boundaryFieldRef()[patchi];
fvPatchVectorField& Up = U.boundaryFieldRef()[patchi];
const bool isWave = isA<waveAlphaFvPatchScalarField>(alphap);
if (!isWave)
{
alphap ==
levelSetFraction
(
mesh.boundary()[patchi],
height.boundaryField()[patchi],
heightp.boundaryField()[patchi].patchInternalField(),
!liquid
);
Up ==
UMean.boundaryField()[patchi]
+ levelSetAverage
(
mesh.boundary()[patchi],
height.boundaryField()[patchi],
heightp.boundaryField()[patchi].patchInternalField()(),
uGas.boundaryField()[patchi],
uGasp.boundaryField()[patchi].patchInternalField()(),
uLiquid.boundaryField()[patchi],
uLiquidp.boundaryField()[patchi].patchInternalField()()
);
}
else
if (isA<waveAlphaFvPatchScalarField>(alphap))
{
alphap == refCast<waveAlphaFvPatchScalarField>(alphap).alpha();
Up == refCast<waveVelocityFvPatchVectorField>(Up).U();