diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.C b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.C new file mode 100644 index 0000000000000000000000000000000000000000..6b8156aca359f5c6a8ba3fc6a1763571b275cea9 --- /dev/null +++ b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.C @@ -0,0 +1,167 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation + \\/ M anipulation | +------------------------------------------------------------------------------- +License + This file is part of OpenFOAM. + + OpenFOAM is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + OpenFOAM is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. + +\*---------------------------------------------------------------------------*/ + +#include "faceCorrectedSnGrad.H" +#include "volPointInterpolation.H" +#include "triangle.H" + +// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * // + +template<class Type> +Foam::fv::faceCorrectedSnGrad<Type>::~faceCorrectedSnGrad() +{} + + +// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // + +template<class Type> +Foam::tmp<Foam::GeometricField<Type, Foam::fvsPatchField, Foam::surfaceMesh> > +Foam::fv::faceCorrectedSnGrad<Type>::fullGradCorrection +( + const GeometricField<Type, fvPatchField, volMesh>& vf +) const +{ + const fvMesh& mesh = this->mesh(); + + GeometricField<Type, pointPatchField, pointMesh> pvf + ( + volPointInterpolation::New(mesh).interpolate(vf) + ); + + // construct GeometricField<Type, fvsPatchField, surfaceMesh> + tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > tsfCorr + ( + new GeometricField<Type, fvsPatchField, surfaceMesh> + ( + IOobject + ( + "snGradCorr("+vf.name()+')', + vf.instance(), + mesh, + IOobject::NO_READ, + IOobject::NO_WRITE + ), + mesh, + vf.dimensions()*mesh.nonOrthDeltaCoeffs().dimensions() + ) + ); + + Field<Type>& sfCorr = tsfCorr().internalField(); + + const pointField& points = mesh.points(); + const faceList& faces = mesh.faces(); + const vectorField& Sf = mesh.Sf().internalField(); + const vectorField& C = mesh.C().internalField(); + const scalarField& magSf = mesh.magSf().internalField(); + const labelList& owner = mesh.owner(); + const labelList& neighbour = mesh.neighbour(); + + forAll(sfCorr, facei) + { + typename outerProduct<vector, Type>::type fgrad + ( + outerProduct<vector, Type>::type::zero + ); + + const face& fi = faces[facei]; + + vector nf(Sf[facei]/magSf[facei]); + + for (label pi=0; pi<fi.size(); pi++) + { + // Next point index + label pj = (pi+1)%fi.size(); + + // Edge normal in plane of face + vector edgen(nf^(points[fi[pj]] - points[fi[pi]])); + + // Edge centre field value + Type pvfe(0.5*(pvf[fi[pj]] + pvf[fi[pi]])); + + // Integrate face gradient + fgrad += edgen*pvfe; + } + + // Finalize face-gradient by dividing by face area + fgrad /= magSf[facei]; + + // Calculate correction vector + vector dCorr(C[neighbour[facei]] - C[owner[facei]]); + dCorr /= (nf & dCorr); + + // if (mag(dCorr) > 2) dCorr *= 2/mag(dCorr); + + sfCorr[facei] = dCorr&fgrad; + } + + tsfCorr().boundaryField() = pTraits<Type>::zero; + + return tsfCorr; +} + + +template<class Type> +Foam::tmp<Foam::GeometricField<Type, Foam::fvsPatchField, Foam::surfaceMesh> > +Foam::fv::faceCorrectedSnGrad<Type>::correction +( + const GeometricField<Type, fvPatchField, volMesh>& vf +) const +{ + const fvMesh& mesh = this->mesh(); + + // construct GeometricField<Type, fvsPatchField, surfaceMesh> + tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > tssf + ( + new GeometricField<Type, fvsPatchField, surfaceMesh> + ( + IOobject + ( + "snGradCorr("+vf.name()+')', + vf.instance(), + mesh, + IOobject::NO_READ, + IOobject::NO_WRITE + ), + mesh, + vf.dimensions()*mesh.nonOrthDeltaCoeffs().dimensions() + ) + ); + GeometricField<Type, fvsPatchField, surfaceMesh>& ssf = tssf(); + + for (direction cmpt = 0; cmpt < pTraits<Type>::nComponents; cmpt++) + { + ssf.replace + ( + cmpt, + faceCorrectedSnGrad<typename pTraits<Type>::cmptType>(mesh) + .fullGradCorrection(vf.component(cmpt)) + ); + } + + return tssf; +} + + +// ************************************************************************* // diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.H b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.H new file mode 100644 index 0000000000000000000000000000000000000000..a79ece328192afb569e9bac427fe3ef8c7202741 --- /dev/null +++ b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrad.H @@ -0,0 +1,157 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation + \\/ M anipulation | +------------------------------------------------------------------------------- +License + This file is part of OpenFOAM. + + OpenFOAM is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + OpenFOAM is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. + +Class + Foam::fv::faceCorrectedSnGrad + +Description + Simple central-difference snGrad scheme with non-orthogonal correction. + +SourceFiles + faceCorrectedSnGrad.C + +\*---------------------------------------------------------------------------*/ + +#ifndef faceCorrectedSnGrad_H +#define faceCorrectedSnGrad_H + +#include "snGradScheme.H" + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +namespace Foam +{ + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +namespace fv +{ + +/*---------------------------------------------------------------------------*\ + Class faceCorrectedSnGrad Declaration +\*---------------------------------------------------------------------------*/ + +template<class Type> +class faceCorrectedSnGrad +: + public snGradScheme<Type> +{ + // Private Member Functions + + //- Disallow default bitwise assignment + void operator=(const faceCorrectedSnGrad&); + + +public: + + //- Runtime type information + TypeName("faceCorrected"); + + + // Constructors + + //- Construct from mesh + faceCorrectedSnGrad(const fvMesh& mesh) + : + snGradScheme<Type>(mesh) + {} + + + //- Construct from mesh and data stream + faceCorrectedSnGrad(const fvMesh& mesh, Istream&) + : + snGradScheme<Type>(mesh) + {} + + + //- Destructor + virtual ~faceCorrectedSnGrad(); + + + // Member Functions + + //- Return the interpolation weighting factors for the given field + virtual tmp<surfaceScalarField> deltaCoeffs + ( + const GeometricField<Type, fvPatchField, volMesh>& + ) const + { + return this->mesh().nonOrthDeltaCoeffs(); + } + + //- Return true if this scheme uses an explicit correction + virtual bool corrected() const + { + return true; + } + + //- Return the explicit correction to the faceCorrectedSnGrad + // for the given field using the gradient of the field + tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > + fullGradCorrection + ( + const GeometricField<Type, fvPatchField, volMesh>& + ) const; + + //- Return the explicit correction to the faceCorrectedSnGrad + // for the given field using the gradients of the field components + virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > + correction(const GeometricField<Type, fvPatchField, volMesh>&) const; +}; + + +// * * * * * * * * Template Member Function Specialisations * * * * * * * * // + +template<> +tmp<surfaceScalarField> faceCorrectedSnGrad<scalar>::correction +( + const volScalarField& vsf +) const; + + +template<> +tmp<surfaceVectorField> faceCorrectedSnGrad<vector>::correction +( + const volVectorField& vvf +) const; + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +} // End namespace fv + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +} // End namespace Foam + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +#ifdef NoRepository +# include "faceCorrectedSnGrad.C" +#endif + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +#endif + +// ************************************************************************* // diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrads.C b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrads.C new file mode 100644 index 0000000000000000000000000000000000000000..f98abfd35128c0e2b91d029f0d75797ec1ec4f08 --- /dev/null +++ b/src/finiteVolume/finiteVolume/snGradSchemes/faceCorrectedSnGrad/faceCorrectedSnGrads.C @@ -0,0 +1,62 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation + \\/ M anipulation | +------------------------------------------------------------------------------- +License + This file is part of OpenFOAM. + + OpenFOAM is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + OpenFOAM is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. + +\*---------------------------------------------------------------------------*/ + +#include "faceCorrectedSnGrad.H" +#include "fvMesh.H" + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +namespace Foam +{ +namespace fv +{ + makeSnGradScheme(faceCorrectedSnGrad) +} +} + + +template<> +Foam::tmp<Foam::surfaceScalarField> +Foam::fv::faceCorrectedSnGrad<Foam::scalar>::correction +( + const volScalarField& vsf +) const +{ + return fullGradCorrection(vsf); +} + + +template<> +Foam::tmp<Foam::surfaceVectorField> +Foam::fv::faceCorrectedSnGrad<Foam::vector>::correction +( + const volVectorField& vvf +) const +{ + return fullGradCorrection(vvf); +} + + +// ************************************************************************* //