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reactingTwoPhaseEulerFoam: Added LTS support to the face-momentum algorithm

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This commit is contained in:
Henry Weller
2016-12-04 10:14:43 +00:00
parent 2b551d8751
commit 304af9fc5f
16 changed files with 182 additions and 43 deletions
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26
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/EEqns.H
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@ -29,37 +29,25 @@ for (int Ecorr=0; Ecorr<nEnergyCorrectors; Ecorr++)
}
{
tmp<fvScalarMatrix> E2eqn(phase2.heEqn());
tmp<fvScalarMatrix> E2Eqn(phase2.heEqn());
if (E2eqn.valid())
if (E2Eqn.valid())
{
E2eqn =
E2Eqn =
(
E2eqn
E2Eqn
==
*heatTransfer[phase2.name()]
+ alpha2*rho2*(U2&g)
+ fvOptions(alpha2, rho2, phase2.thermo().he())
);
E2eqn->relax();
fvOptions.constrain(E2eqn.ref());
E2eqn->solve();
E2Eqn->relax();
fvOptions.constrain(E2Eqn.ref());
E2Eqn->solve();
}
}
fluid.correctThermo();
fluid.correct();
}
Info<< phase1.name() << " min/max T "
<< min(phase1.thermo().T()).value()
<< " - "
<< max(phase1.thermo().T()).value()
<< endl;
Info<< phase2.name() << " min/max T "
<< min(phase2.thermo().T()).value()
<< " - "
<< max(phase2.thermo().T()).value()
<< endl;

21
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/createRDeltaTf.H Normal file
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@ -0,0 +1,21 @@
tmp<surfaceScalarField> trDeltaTf;
if (LTS && faceMomentum)
{
trDeltaTf = tmp<surfaceScalarField>
(
new surfaceScalarField
(
IOobject
(
fv::localEulerDdt::rDeltaTfName,
runTime.timeName(),
mesh,
IOobject::READ_IF_PRESENT,
IOobject::AUTO_WRITE
),
mesh,
dimensionedScalar("one", dimless/dimTime, 1)
)
);
}

11
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/pUf/DDtU.H
View File

@ -1,9 +1,2 @@
ddtPhi1 =
(
(phi1 - phi1.oldTime())/runTime.deltaT()
);
ddtPhi2 =
(
(phi2 - phi2.oldTime())/runTime.deltaT()
);
ddtPhi1 = fvc::ddt(phi1);
ddtPhi2 = fvc::ddt(phi2);

11
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/pUf/createDDtU.H
View File

@ -1,9 +1,2 @@
surfaceScalarField ddtPhi1
(
(phi1 - phi1.oldTime())/runTime.deltaT()
);
surfaceScalarField ddtPhi2
(
(phi2 - phi2.oldTime())/runTime.deltaT()
);
surfaceScalarField ddtPhi1(fvc::ddt(phi1));
surfaceScalarField ddtPhi2(fvc::ddt(phi2));

14
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/pUf/pEqn.H
View File

@ -27,15 +27,17 @@ surfaceScalarField Kdf("Kdf", fluid.Kdf());
// Virtual-mass coefficient
surfaceScalarField Vmf("Vmf", fluid.Vmf());
const surfaceScalarField& rDeltaTf = fv::localEulerDdt::localRDeltaTf(mesh);
surfaceScalarField rAUf1
(
IOobject::groupName("rAUf", phase1.name()),
1.0
/(
(alphaRhof10 + Vmf)/runTime.deltaT()
rDeltaTf*(alphaRhof10 + Vmf)
+ fvc::interpolate(U1Eqn.A())
+ Kdf
)
)
);
surfaceScalarField rAUf2
@ -43,10 +45,10 @@ surfaceScalarField rAUf2
IOobject::groupName("rAUf", phase2.name()),
1.0
/(
(alphaRhof20 + Vmf)/runTime.deltaT()
rDeltaTf*(alphaRhof20 + Vmf)
+ fvc::interpolate(U2Eqn.A())
+ Kdf
)
)
);
@ -157,7 +159,7 @@ while (pimple.correct())
rAUf1
*(
(alphaRhof10 + Vmf)
*MRF.absolute(phi1.oldTime())/runTime.deltaT()
*rDeltaTf*MRF.absolute(phi1.oldTime())
+ fvc::flux(U1Eqn.H())
+ Vmf*ddtPhi2
+ Kdf*MRF.absolute(phi2)
@ -175,7 +177,7 @@ while (pimple.correct())
rAUf2
*(
(alphaRhof20 + Vmf)
*MRF.absolute(phi2.oldTime())/runTime.deltaT()
*rDeltaTf*MRF.absolute(phi2.oldTime())
+ fvc::flux(U2Eqn.H())
+ Vmf*ddtPhi1
+ Kdf*MRF.absolute(phi1)

5
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/reactingTwoPhaseEulerFoam.C
View File

@ -73,6 +73,7 @@ int main(int argc, char *argv[])
)
);
#include "createRDeltaTf.H"
#include "pUf/createDDtU.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -91,6 +92,10 @@ int main(int argc, char *argv[])
if (LTS)
{
#include "setRDeltaT.H"
if (faceMomentum)
{
#include "setRDeltaTf.H"
}
}
else
{

1
applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/setRDeltaTf.H Normal file
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@ -0,0 +1 @@
trDeltaTf.ref() = fvc::interpolate(fv::localEulerDdt::localRDeltaT(mesh));