OpenFOAM-4.x/applications/solvers/multiphase/twoPhaseEulerFoam/createFields.H
Henry 50b2edbedc twoPhaseEulerFoam: transform to solve for p_rgh
to avoid excessive pressure/buoyancy balance errors on non-orthogonal meshes
Resolves bug-report http://openfoam.org/mantisbt/view.php?id=1379
2015-03-17 22:40:09 +00:00

151 lines
3.4 KiB
C

#include "readGravitationalAcceleration.H"
#include "readhRef.H"
Info<< "Creating twoPhaseSystem\n" << endl;
twoPhaseSystem fluid(mesh, g);
phaseModel& phase1 = fluid.phase1();
phaseModel& phase2 = fluid.phase2();
volScalarField& alpha1 = phase1;
volScalarField& alpha2 = phase2;
volVectorField& U1 = phase1.U();
surfaceScalarField& phi1 = phase1.phi();
surfaceScalarField& alphaPhi1 = phase1.alphaPhi();
surfaceScalarField& alphaRhoPhi1 = phase1.alphaRhoPhi();
volVectorField& U2 = phase2.U();
surfaceScalarField& phi2 = phase2.phi();
surfaceScalarField& alphaPhi2 = phase2.alphaPhi();
surfaceScalarField& alphaRhoPhi2 = phase2.alphaRhoPhi();
surfaceScalarField& phi = fluid.phi();
dimensionedScalar pMin
(
"pMin",
dimPressure,
fluid.lookup("pMin")
);
Info<< "Calculating field g.h\n" << endl;
dimensionedScalar ghRef(g & (cmptMag(g.value())/mag(g.value()))*hRef);
volScalarField gh("gh", (g & mesh.C()) - ghRef);
surfaceScalarField ghf("ghf", (g & mesh.Cf()) - ghRef);
rhoThermo& thermo1 = phase1.thermo();
rhoThermo& thermo2 = phase2.thermo();
volScalarField& p = thermo1.p();
volScalarField& rho1 = thermo1.rho();
const volScalarField& psi1 = thermo1.psi();
volScalarField& rho2 = thermo2.rho();
const volScalarField& psi2 = thermo2.psi();
Info<< "Reading field p_rgh\n" << endl;
volScalarField p_rgh
(
IOobject
(
"p_rgh",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
volVectorField U
(
IOobject
(
"U",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
fluid.U()
);
Info<< "Calculating field DDtU1 and DDtU2\n" << endl;
volVectorField DDtU1
(
"DDtU1",
fvc::ddt(U1)
+ fvc::div(phi1, U1)
- fvc::div(phi1)*U1
);
volVectorField DDtU2
(
"DDtU2",
fvc::ddt(U2)
+ fvc::div(phi2, U2)
- fvc::div(phi2)*U2
);
volScalarField rAU1
(
IOobject
(
IOobject::groupName("rAU", phase1.name()),
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedScalar("zero", dimensionSet(-1, 3, 1, 0, 0), 0.0)
);
volScalarField rAU2
(
IOobject
(
IOobject::groupName("rAU", phase2.name()),
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedScalar("zero", dimensionSet(-1, 3, 1, 0, 0), 0.0)
);
label pRefCell = 0;
scalar pRefValue = 0.0;
setRefCell
(
p,
p_rgh,
pimple.dict(),
pRefCell,
pRefValue
);
Info<< "Creating field dpdt\n" << endl;
volScalarField dpdt
(
IOobject
(
"dpdt",
runTime.timeName(),
mesh
),
mesh,
dimensionedScalar("dpdt", p.dimensions()/dimTime, 0)
);
Info<< "Creating field kinetic energy K\n" << endl;
volScalarField K1(IOobject::groupName("K", phase1.name()), 0.5*magSqr(U1));
volScalarField K2(IOobject::groupName("K", phase2.name()), 0.5*magSqr(U2));