All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
UEqn.H
Go to the documentation of this file.
1 // Solve the Momentum equation
2 
3 MRF.correctBoundaryVelocity(U);
4 
6 (
7  fvm::ddt(U) + fvm::div(phi, U)
8  + MRF.DDt(U)
9  + turbulence->divDevSigma(U)
10  ==
11  fvModels.source(U)
12 );
13 
14 UEqn.relax();
15 
17 
18 if (piso.momentumPredictor())
19 {
20  solve(UEqn == -fvc::grad(p));
21 
23 }
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52
U
Definition: pEqn.H:72
IOMRFZoneList & MRF
solve(UEqn==-fvc::grad(p))
tmp< GeometricField< Type, fvPatchField, volMesh > > div(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcDiv.C:47
pisoControl piso(mesh)
tmp< GeometricField< Type, fvPatchField, volMesh > > ddt(const dimensioned< Type > dt, const fvMesh &mesh)
Definition: fvcDdt.C:45
Foam::fvConstraints & fvConstraints
phi
Definition: correctPhi.H:3
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
bool constrain(fvMatrix< Type > &eqn) const
Apply constraints to an equation.
Foam::fvModels & fvModels
fvMatrix< vector > fvVectorMatrix
Definition: fvMatricesFwd.H:45
volScalarField & p
fvVectorMatrix & UEqn
Definition: UEqn.H:13