2306/compressible_2rhoSimpleFoam_2overRhoSimpleFoam_2UEqn_8H_source.html

     // Solve the Momentum equation
     MRF.correctBoundaryVelocity(U);

     tmp<fvVectorMatrix> tUEqn
     (
         fvm::div(phi, U)
       + MRF.DDt(rho, U)
       + turbulence->divDevRhoReff(U)
      ==
         fvOptions(rho, U)
     );
     fvVectorMatrix& UEqn = tUEqn.ref();

     UEqn.relax();

     fvOptions.constrain(UEqn);

     if (simple.momentumPredictor())
     {
         solve(UEqn == -cellMask*fvc::grad(p));
     }

     fvOptions.correct(U);
solve
solve(UEqn==-fvc::grad(p))

rho
rho
Definition: readInitialConditions.H:88

Foam::fac::div
tmp< GeometricField< Type, faPatchField, areaMesh > > div(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facDiv.C:43

tUEqn
tmp< fvVectorMatrix > tUEqn(fvm::ddt(rho, U)+fvm::div(phi, U)+MRF.DDt(rho, U)+turbulence->divDevRhoReff(U)==fvOptions(rho, U))

phi
phi
Definition: correctPhiFaceMask.H:34

fvOptions
fv::options & fvOptions
Definition: setRegionFluidFields.H:21

MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:20

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

simple
const dictionary & simple
Definition: readFluidMultiRegionSIMPLEControls.H:1

U
U
Definition: pEqn.H:72

UEqn
fvVectorMatrix & UEqn
Definition: UEqn.H:13

Foam::fvVectorMatrix
fvMatrix< vector > fvVectorMatrix
Definition: fvMatricesFwd.H:40

p
volScalarField & p
Definition: createFieldRefs.H:8

Foam::fac::grad
tmp< GeometricField< typename outerProduct< vector, Type >::type, faPatchField, areaMesh >> grad(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facGrad.C:51