alphaDiffusionEqn.H
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1 {
2  fvScalarMatrix alpha1Eqn
3  (
4  fvm::ddt(alpha1)
5  - fvc::ddt(alpha1)
6  - fvm::laplacian
7  (
8  volScalarField("Dab", Dab + alphatab*turbulence->nut()),
9  alpha1
10  )
11  );
12 
13  alpha1Eqn.solve();
14 
15  alpha2 = 1.0 - alpha1;
16  rhoPhi += alpha1Eqn.flux()*(rho1 - rho2);
17 }
18 
19 rho = alpha1*rho1 + alpha2*rho2;
Foam::fvScalarMatrix
fvMatrix< scalar > fvScalarMatrix
Definition: fvMatricesFwd.H:42
Foam::fvc::laplacian
tmp< GeometricField< Type, fvPatchField, volMesh > > laplacian(const GeometricField< Type, fvPatchField, volMesh > &vf, const word &name)
Definition: fvcLaplacian.C:45
Foam::fvc::ddt
tmp< GeometricField< Type, fvPatchField, volMesh > > ddt(const dimensioned< Type > dt, const fvMesh &mesh)
Definition: fvcDdt.C:45
Foam::volScalarField
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:57
alpha1
volScalarField & alpha1(mixture.alpha1())
turbulence
Info<< "Reading field U\"<< endl;volVectorField U(IOobject("U", runTime.timeName(), mesh, IOobject::MUST_READ, IOobject::AUTO_WRITE), mesh);volScalarField rho(IOobject("rho", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::AUTO_WRITE), thermo.rho());volVectorField rhoU(IOobject("rhoU", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::NO_WRITE), rho *U);volScalarField rhoE(IOobject("rhoE", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::NO_WRITE), rho *(e+0.5 *magSqr(U)));surfaceScalarField pos(IOobject("pos", runTime.timeName(), mesh), mesh, dimensionedScalar(dimless, 1.0));surfaceScalarField neg(IOobject("neg", runTime.timeName(), mesh), mesh, dimensionedScalar(dimless, -1.0));surfaceScalarField phi("phi", fvc::flux(rhoU));Info<< "Creating turbulence model\"<< endl;autoPtr< compressible::momentumTransportModel > turbulence(compressible::momentumTransportModel::New(rho, U, phi, thermo))
Definition: createFields.H:94
rho2
const dimensionedScalar & rho2
Definition: createFields.H:44
rho1
const dimensionedScalar & rho1
Definition: createFields.H:43