displacementSBRStress_fvMotionSolver.C

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#include "displacementSBRStress_fvMotionSolver.H"
#include "motionDiffusivity.H"
#include "fvmLaplacian.H"
#include "fvcDiv.H"
#include "fvcGrad.H"
#include "surfaceInterpolate.H"
#include "fvcLaplacian.H"
#include "polyTopoChangeMap.H"
#include "volPointInterpolation.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace fvMotionSolvers
{
    defineTypeNameAndDebug(displacementSBRStress, 0);
 
    addToRunTimeSelectionTable
    (
        fvMeshMover,
        displacementSBRStress,
        fvMesh
    );
 
    addToRunTimeSelectionTable
    (
        pointMeshMover,
        displacementSBRStress,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fvMotionSolvers::displacementSBRStress::displacementSBRStress
(
    const polyMesh& mesh,
    const dictionary& dict
)
:
    fvMotionSolver(mesh),
    pointMeshMovers::displacement(mesh, dict, typeName),
    cellDisplacement_
    (
        IOobject
        (
            "cellDisplacement",
            mesh.time().name(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::AUTO_WRITE
        ),
        fvMotionSolver::mesh(),
        dimensionedVector
        (
            "cellDisplacement",
            pointDisplacement().dimensions(),
            Zero
        ),
        cellMotionBoundaryTypes<vector>(pointDisplacement().boundaryField())
    ),
    diffusivityType_(dict.lookup("diffusivity")),
    diffusivityPtr_
    (
        motionDiffusivity::New(fvMotionSolver::mesh(), diffusivityType_)
    )
{}
 
 
Foam::fvMotionSolvers::displacementSBRStress::displacementSBRStress
(
    fvMesh& mesh,
    const dictionary& dict
)
:
    displacementSBRStress(mesh.poly(), dict)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::fvMotionSolvers::displacementSBRStress::~displacementSBRStress()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::pointField>
Foam::fvMotionSolvers::displacementSBRStress::newPoints()
{
    // The points have moved so before interpolation update
    // the mtionSolver accordingly
    movePoints(mesh().points());
 
    diffusivityPtr_->correct();
    pointDisplacement_.boundaryFieldRef().updateCoeffs();
 
    surfaceScalarField Df(diffusivityPtr_->operator()());
 
    volTensorField gradCd("gradCd", fvc::grad(cellDisplacement_));
 
    Foam::solve
    (
        fvm::laplacian
        (
            2*Df,
            cellDisplacement_,
            "laplacian(diffusivity,cellDisplacement)"
        )
 
      + fvc::div
        (
            Df
           *(
               fvc::dotInterpolate
               (
                   cellDisplacement_.mesh().Sf(),
                   gradCd.T() - gradCd
               )
 
               // Solid-body rotation "lambda" term
             - cellDisplacement_.mesh().Sf()*fvc::interpolate(tr(gradCd))
            )
        )
 
        /*
      - fvc::laplacian
        (
            2*Df,
            cellDisplacement_,
            "laplacian(diffusivity,cellDisplacement)"
        )
 
      + fvc::div
        (
            Df
           *(
               fvc::dotInterpolate
               (
                   cellDisplacement_.mesh().Sf(),
                   gradCd + gradCd.T()
               )
 
               // Solid-body rotation "lambda" term
             - cellDisplacement_.mesh().Sf()*fvc::interpolate(tr(gradCd))
           )
        )
        */
    );
 
    volPointInterpolation::New(mesh()).interpolate
    (
        cellDisplacement_,
        pointDisplacement_
    );
 
    tmp<pointField> tcurPoints
    (
        points0() + pointDisplacement().primitiveField()
    );
 
    twoDCorrectPoints(tcurPoints.ref());
 
    return tcurPoints;
}
 
 
void Foam::fvMotionSolvers::displacementSBRStress::topoChange
(
    const polyTopoChangeMap& map
)
{
    pointMeshMovers::displacement::topoChange(map);
 
    // Update diffusivity. Note two stage to make sure old one is de-registered
    // before creating/registering new one.
    diffusivityPtr_.reset(nullptr);
    diffusivityType_.rewind();
    diffusivityPtr_ = motionDiffusivity::New
    (
        mesh(),
        diffusivityType_
    );
}
 
 
void Foam::fvMotionSolvers::displacementSBRStress::mapMesh
(
    const polyMeshMap& map
)
{
    pointMeshMovers::displacement::mapMesh(map);
 
    // Update diffusivity. Note two stage to make sure old one is de-registered
    // before creating/registering new one.
    diffusivityPtr_.reset(nullptr);
    diffusivityType_.rewind();
    diffusivityPtr_ = motionDiffusivity::New
    (
        mesh(),
        diffusivityType_
    );
}
 
 
// ************************************************************************* //