UEqn.H
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1 // Solve the Momentum equation
2 
3 MRF.correctBoundaryVelocity(U);
4 
5 fvVectorMatrix UEqn
6 (
7  fvm::ddt(U) + fvm::div(phi, U)
8  + MRF.DDt(U)
9  + turbulence->divDevReff(U)
10  ==
11  fvOptions(U)
12 );
13 
14 UEqn.relax();
15 
16 fvOptions.constrain(UEqn);
17 
18 if (piso.momentumPredictor())
19 {
20  solve(UEqn == -fvc::grad(p));
21 
22  fvOptions.correct(U);
23 }
p
volScalarField & p
Definition: createFieldRefs.H:8
turbulence
Info<< "Reading field U\n"<< 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\n"<< endl;autoPtr< compressible::turbulenceModel > turbulence(compressible::turbulenceModel::New(rho, U, phi, thermo))
Definition: createFields.H:94
Foam::fac::grad
tmp< GeometricField< typename outerProduct< vector, Type >::type, faPatchField, areaMesh >> grad(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facGrad.C:56
Foam::fac::div
tmp< GeometricField< Type, faPatchField, areaMesh > > div(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facDiv.C:50
MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:22
piso
pisoControl piso(mesh)
Foam::fvVectorMatrix
fvMatrix< vector > fvVectorMatrix
Definition: fvMatricesFwd.H:47
fvOptions
fv::options & fvOptions
Definition: setRegionFluidFields.H:23
phi
surfaceScalarField & phi
Definition: setRegionFluidFields.H:8
U
U
Definition: pEqn.H:72
Foam::fac::ddt
tmp< GeometricField< Type, faPatchField, areaMesh > > ddt(const dimensioned< Type > dt, const faMesh &mesh)
Definition: facDdt.C:47
solve
solve(UEqn==-fvc::grad(p))
UEqn
fvVectorMatrix & UEqn
Definition: UEqn.H:13