v9/compressible_2rhoSimpleFoam_2UEqn_8H_source.html

     // Solve the Momentum equation

     MRF.correctBoundaryVelocity(U);

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

     UEqn.relax();

     fvConstraints.constrain(UEqn);

     solve(UEqn == -fvc::grad(p));

     fvConstraints.constrain(U);
Foam::fvc::grad
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52

MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:35

solve
solve(UEqn==-fvc::grad(p))

rho
rho
Definition: readInitialConditions.H:91

Foam::fvc::div
tmp< GeometricField< Type, fvPatchField, volMesh > > div(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcDiv.C:47

fvConstraints
Foam::fvConstraints & fvConstraints
Definition: setRegionFluidFields.H:37

phi
phi
Definition: correctPhi.H:3

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)==fvModels.source(rho, U))

Foam::fvConstraints::constrain
bool constrain(fvMatrix< Type > &eqn) const
Apply constraints to an equation.
Definition: fvConstraintsTemplates.C:29

fvModels
Foam::fvModels & fvModels
Definition: setRegionFluidFields.H:36

U
U
Definition: pEqn.H:72

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

p
volScalarField & p
Definition: createFieldRefs.H:5