openfoam/applications/solvers/multiphase/compressibleInterFoam/compressibleAlphaEqnSubCycle.H
2024-02-21 14:31:40 +01:00

63 lines
1.3 KiB
C

tmp<surfaceScalarField> talphaPhi1(alphaPhi10);
if (nAlphaSubCycles > 1)
{
dimensionedScalar totalDeltaT = runTime.deltaT();
talphaPhi1.reset
(
new surfaceScalarField
(
mesh.newIOobject("alphaPhi1"),
mesh,
dimensionedScalar(alphaPhi10.dimensions(), Zero)
)
);
surfaceScalarField rhoPhiSum
(
mesh.newIOobject("rhoPhiSum"),
mesh,
dimensionedScalar(rhoPhi.dimensions(), Zero)
);
tmp<volScalarField> trSubDeltaT;
if (LTS)
{
trSubDeltaT =
fv::localEulerDdt::localRSubDeltaT(mesh, nAlphaSubCycles);
}
for
(
subCycle<volScalarField> alphaSubCycle(alpha1, nAlphaSubCycles);
!(++alphaSubCycle).end();
)
{
#include "alphaEqn.H"
talphaPhi1.ref() += (runTime.deltaT()/totalDeltaT)*alphaPhi10;
rhoPhiSum += (runTime.deltaT()/totalDeltaT)*rhoPhi;
}
rhoPhi = rhoPhiSum;
}
else
{
#include "alphaEqn.H"
}
rho == alpha1*rho1 + alpha2*rho2;
const surfaceScalarField& alphaPhi1 = talphaPhi1();
surfaceScalarField alphaPhi2("alphaPhi2", phi - alphaPhi1);
volScalarField::Internal contErr
(
(
fvc::ddt(rho) + fvc::div(rhoPhi)
- (fvOptions(alpha1, mixture.thermo1().rho())&rho1)
- (fvOptions(alpha2, mixture.thermo2().rho())&rho2)
)()
);