C++ (Cpp) tlsGrad Exemples

Exemple #1

Fichier : leastSquaresSolidInterfaceGrad.C Projet : Unofficial-Extend-Project-Mirror/foam-extend-foam-extend-3.2

tmp
<
    GeometricField
    <
        typename outerProduct<vector, Type>::type, fvPatchField, volMesh
    >
>
leastSquaresSolidInterfaceGrad<Type>::calcGrad
(
    const GeometricField<Type, fvPatchField, volMesh>& vsf,
    const word& name
) const
{
    typedef typename outerProduct<vector, Type>::type GradType;

    const fvMesh& mesh = vsf.mesh();

    tmp<GeometricField<GradType, fvPatchField, volMesh> > tlsGrad
    (
        new GeometricField<GradType, fvPatchField, volMesh>
        (
            IOobject
            (
                name,
                vsf.instance(),
                mesh,
                IOobject::NO_READ,
                IOobject::NO_WRITE
            ),
            mesh,
            dimensioned<GradType>
            (
                "zero",
                vsf.dimensions()/dimLength,
                pTraits<GradType>::zero
            ),
            zeroGradientFvPatchField<GradType>::typeName
        )
    );
    GeometricField<GradType, fvPatchField, volMesh>& lsGrad = tlsGrad();

    // Get reference to least square vectors
    const leastSquaresSolidInterfaceVectors& lsv =
        leastSquaresSolidInterfaceVectors::New(mesh);

    const surfaceVectorField& ownLs = lsv.pVectors();
    const surfaceVectorField& neiLs = lsv.nVectors();

    const unallocLabelList& own = mesh.owner();
    const unallocLabelList& nei = mesh.neighbour();

    // interface fields
    const solidInterface& solInt =
      mesh.objectRegistry::lookupObject<IOReferencer<solidInterface> >
        ("solidInterface")();
    const labelList& interfaceFacesMap = solInt.indicatorFieldMap();
    const labelList& interfaceProcPatchMap = solInt.processorPatchMap();
    const labelListList& interfaceProcPatchFacesMap =
        solInt.processorPatchFacesMap();
    const vectorField& interfaceDispVec = solInt.interfaceDisplacement();
    const List<vectorField>& procInterDispVec =
        solInt.processorInterfaceDisplacement();

    // interface disp must be vector so
    // this is a quick hack
    Field<Type> interfaceDisp(interfaceDispVec.size(), pTraits<Type>::zero);
    if (pTraits<Type>::typeName != vector::typeName)
      {
          FatalError
              << "leastSquaresSolidInterface::grad() may only be used "
              "with a volVectorField" << exit(FatalError);
      }
    for (direction cmpt = 0; cmpt < pTraits<vector>::nComponents; cmpt++)
      {
          interfaceDisp.replace
              (
                  cmpt,
                  interfaceDispVec.component(cmpt)
                  );
      }
    List<Field<Type> > procInterDisp
        (procInterDispVec.size(), Field<Type>(0, pTraits<Type>::zero));
    forAll(procInterDisp, patchi)
      {
          procInterDisp[patchi].setSize
              (procInterDispVec[patchi].size(), pTraits<Type>::zero);

          for (direction cmpt = 0; cmpt < pTraits<vector>::nComponents; cmpt++)
          {
              procInterDisp[patchi].replace
                  (
                      cmpt,
                      procInterDispVec[patchi].component(cmpt)
                      );
          }
      }

Exemple #2

Fichier : extendedLeastSquaresGrad.C Projet : Cescfangs/OpenFOAM-1.7.x

tmp
<
    GeometricField
    <
        typename outerProduct<vector, Type>::type, fvPatchField, volMesh
    >
>
extendedLeastSquaresGrad<Type>::grad
(
    const GeometricField<Type, fvPatchField, volMesh>& vsf
) const
{
    typedef typename outerProduct<vector, Type>::type GradType;

    const fvMesh& mesh = vsf.mesh();

    tmp<GeometricField<GradType, fvPatchField, volMesh> > tlsGrad
    (
        new GeometricField<GradType, fvPatchField, volMesh>
        (
            IOobject
            (
                "grad("+vsf.name()+')',
                vsf.instance(),
                mesh,
                IOobject::NO_READ,
                IOobject::NO_WRITE
            ),
            mesh,
            dimensioned<GradType>
            (
                "zero",
                vsf.dimensions()/dimLength,
                pTraits<GradType>::zero
            ),
            zeroGradientFvPatchField<GradType>::typeName
        )
    );
    GeometricField<GradType, fvPatchField, volMesh>& lsGrad = tlsGrad();

    // Get reference to least square vectors
    const extendedLeastSquaresVectors& lsv = extendedLeastSquaresVectors::New
    (
        mesh,
        minDet_
    );

    const surfaceVectorField& ownLs = lsv.pVectors();
    const surfaceVectorField& neiLs = lsv.nVectors();

    const unallocLabelList& owner = mesh.owner();
    const unallocLabelList& neighbour = mesh.neighbour();

    forAll(owner, facei)
    {
        label own = owner[facei];
        label nei = neighbour[facei];

        Type deltaVsf = vsf[nei] - vsf[own];

        lsGrad[own] += ownLs[facei]*deltaVsf;
        lsGrad[nei] -= neiLs[facei]*deltaVsf;
    }