openfoam/applications/solvers/multiphase/interMixingFoam/createFields.H

168 lines
3.5 KiB
C

Info<< "Reading field p_rgh\n" << endl;
volScalarField p_rgh
(
IOobject
(
"p_rgh",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
Info<< "Reading field alpha1\n" << endl;
volScalarField alpha1
(
IOobject
(
"alpha1",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
Info<< "Reading field alpha2\n" << endl;
volScalarField alpha2
(
IOobject
(
"alpha2",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
Info<< "Reading field alpha3\n" << endl;
volScalarField alpha3
(
IOobject
(
"alpha3",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
alpha3 == 1.0 - alpha1 - alpha2;
Info<< "Reading field U\n" << endl;
volVectorField U
(
IOobject
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
#include "createPhi.H"
threePhaseMixture threePhaseProperties(U, phi);
const dimensionedScalar& rho1 = threePhaseProperties.rho1();
const dimensionedScalar& rho2 = threePhaseProperties.rho2();
const dimensionedScalar& rho3 = threePhaseProperties.rho3();
dimensionedScalar D23(threePhaseProperties.lookup("D23"));
// Need to store rho for ddt(rho, U)
volScalarField rho
(
IOobject
(
"rho",
runTime.timeName(),
mesh,
IOobject::READ_IF_PRESENT
),
alpha1*rho1 + alpha2*rho2 + alpha3*rho3,
alpha1.boundaryField().types()
);
rho.oldTime();
// Mass flux
// Initialisation does not matter because rhoPhi is reset after the
// alpha solution before it is used in the U equation.
surfaceScalarField rhoPhi
(
IOobject
(
"rho*phi",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
rho1*phi
);
// Construct interface from alpha distribution
threePhaseInterfaceProperties interface(threePhaseProperties);
// Construct incompressible turbulence model
autoPtr<incompressible::turbulenceModel> turbulence
(
incompressible::turbulenceModel::New(U, phi, threePhaseProperties)
);
Info<< "Calculating field g.h\n" << endl;
volScalarField gh("gh", g & mesh.C());
surfaceScalarField ghf("ghf", g & mesh.Cf());
volScalarField p
(
IOobject
(
"p",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
p_rgh + rho*gh
);
label pRefCell = 0;
scalar pRefValue = 0.0;
setRefCell
(
p,
p_rgh,
mesh.solutionDict().subDict("PIMPLE"),
pRefCell,
pRefValue
);
if (p_rgh.needReference())
{
p += dimensionedScalar
(
"p",
p.dimensions(),
pRefValue - getRefCellValue(p, pRefCell)
);
p_rgh = p - rho*gh;
}