UEqn.H
Go to the documentation of this file.
1 MRF.correctBoundaryVelocity(U);
2 
3 tmp<fvVectorMatrix> tUEqn
4 (
5  fvm::ddt(U) + fvm::div(phi, U)
6  + MRF.DDt(U)
7  + turbulence->divDevSigma(U)
8  ==
9  fvOptions(U)
10 );
11 fvVectorMatrix& UEqn = tUEqn.ref();
12 
13 UEqn.relax();
14 
15 fvOptions.constrain(UEqn);
16 
17 if (pimple.momentumPredictor())
18 {
19  solve(UEqn == -fvc::grad(p_gh));
20 
21  fvOptions.correct(U);
22 }
Foam::fvc::grad
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52
fvOptions
fv::options & fvOptions
Definition: setRegionFluidFields.H:53
pimple
pimpleNoLoopControl & pimple
Definition: setRegionFluidFields.H:62
MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:52
solve
solve(UEqn==-fvc::grad(p))
Foam::fvc::div
tmp< GeometricField< Type, fvPatchField, volMesh > > div(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcDiv.C:47
phi
phi
Definition: pEqn.H:104
Foam::fvc::ddt
tmp< GeometricField< Type, fvPatchField, volMesh > > ddt(const dimensioned< Type > dt, const fvMesh &mesh)
Definition: fvcDdt.C:45
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
tUEqn
tmp< fvVectorMatrix > tUEqn(fvm::ddt(rho, U)+fvm::div(phi, U)+MRF.DDt(rho, U)+turbulence->divDevTau(U)==fvOptions(rho, U))
U
U
Definition: pEqn.H:72
Foam::fvVectorMatrix
fvMatrix< vector > fvVectorMatrix
Definition: fvMatricesFwd.H:45