v4/incompressible_2pisoFoam_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 (piso.momentumPredictor())
 {
     solve(UEqn == -fvc::grad(p));

     fvOptions.correct(U);
 }
turbulence
autoPtr< compressible::turbulenceModel > turbulence
Definition: createFields.H:23

phi
surfaceScalarField & phi
Definition: setRegionFluidFields.H:8

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

U
U
Definition: pEqn.H:83

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

piso
pisoControl piso(mesh)

fvOptions
fv::options & fvOptions
Definition: setRegionFluidFields.H:16

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

MRF
IOMRFZoneList & MRF
Definition: setRegionFluidFields.H:15

UEqn
fvVectorMatrix & UEqn
Definition: UEqn.H:13

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

p
volScalarField & p
Definition: createFieldRefs.H:4