v6/heatTransfer_2buoyantBoussinesqPimpleFoam_2UEqn_8H_source.html

     // Solve the momentum equation

     MRF.correctBoundaryVelocity(U);

     fvVectorMatrix UEqn
     (
         fvm::ddt(U) + fvm::div(phi, U)
       + MRF.DDt(U)
       + turbulence->divDevReff(U)
      ==
         fvOptions(U)
     );

     UEqn.relax();

     fvOptions.constrain(UEqn);

     if (pimple.momentumPredictor())
     {
         solve
         (
             UEqn
          ==
             fvc::reconstruct
             (
                 (
                   - ghf*fvc::snGrad(rhok)
                   - fvc::snGrad(p_rgh)
                 )*mesh.magSf()
             )
         );

         fvOptions.correct(U);
     }
p_rgh
volScalarField & p_rgh
Definition: setRegionFluidFields.H:37

fvOptions
fv::options & fvOptions
Definition: setRegionFluidFields.H:51

pimple
pimpleNoLoopControl & pimple
Definition: setRegionFluidFields.H:60

phi
surfaceScalarField & phi
Definition: setRegionFluidFields.H:28

MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:50

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

Foam::fvc::ddt
tmp< GeometricField< Type, fvPatchField, volMesh > > ddt(const dimensioned< Type > dt, const fvMesh &mesh)
Definition: fvcDdt.C:45

mesh
dynamicFvMesh & mesh
Definition: createDynamicFvMesh.H:18

ghf
const surfaceScalarField & ghf
Definition: setRegionFluidFields.H:41

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("pos", dimless, 1.0));surfaceScalarField neg(IOobject("neg", runTime.timeName(), mesh), mesh, dimensionedScalar("neg", dimless, -1.0));surfaceScalarField phi("phi", fvc::flux(rhoU));Info<< "Creating turbulence model\"<< endl;autoPtr< compressible::turbulenceModel > turbulence(compressible::turbulenceModel::New(rho, U, phi, thermo))
Definition: createFields.H:94

Foam::fvc::reconstruct
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> reconstruct(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcReconstruct.C:54

U
U
Definition: pEqn.H:72

UEqn
fvVectorMatrix & UEqn
Definition: UEqn.H:13

Foam::fvVectorMatrix
fvMatrix< vector > fvVectorMatrix
Definition: fvMatricesFwd.H:45

Foam::fvc::snGrad
tmp< GeometricField< Type, fvsPatchField, surfaceMesh > > snGrad(const GeometricField< Type, fvPatchField, volMesh > &vf, const word &name)
Definition: fvcSnGrad.C:45

rhok
rhok
Definition: TEqn.H:27