solid.C

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License
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#include "solid.H"
#include "fvcSurfaceIntegrate.H"
#include "fvMeshMover.H"
#include "localEulerDdtScheme.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace solvers
{
    defineTypeNameAndDebug(solid, 0);
    addToRunTimeSelectionTable(solver, solid, fvMesh);
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::solvers::solid::readControls()
{
    maxDi =
        runTime.controlDict().lookupOrDefault<scalar>("maxDi", 1.0);
 
    maxDeltaT_ =
        runTime.controlDict().lookupOrDefault<scalar>("maxDeltaT", vGreat);
}
 
 
void Foam::solvers::solid::correctDiNum()
{
    const volScalarField kappa
    (
        thermo.isotropic()
      ? thermo.kappa()
      : mag(thermo.Kappa())()
    );
 
    const volScalarField::Internal DiNumvf
    (
        fvc::surfaceSum
        (
            mesh.magSf()
           *fvc::interpolate(kappa)
           *mesh.surfaceInterpolation::deltaCoeffs()
        )()()
       /(mesh.V()*thermo.rho()()*thermo.Cp()())
       *runTime.deltaT()
    );
 
    const scalar meanDiNum = gAverage(DiNumvf);
    const scalar maxDiNum = gMax(DiNumvf);
 
    Info<< "Diffusion Number mean: " << meanDiNum
        << " max: " << maxDiNum << endl;
 
    DiNum = maxDiNum;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::solvers::solid::solid
(
    fvMesh& mesh,
    autoPtr<solidThermo> thermoPtr
)
:
    solver(mesh),
 
    thermoPtr_(thermoPtr),
    thermo_(thermoPtr_()),
 
    T_(thermo_.T()),
 
    thermophysicalTransport(solidThermophysicalTransportModel::New(thermo_)),
 
    DiNum(0),
 
    thermo(thermo_),
    T(T_)
{
    thermo.validate("solid", "h", "e");
 
    if (transient())
    {
        correctDiNum();
    }
    else if (LTS)
    {
        FatalError
            << type()
            << " solver does not support LTS, use 'steadyState' ddtScheme"
            << exit(FatalError);
    }
}
 
 
 
Foam::solvers::solid::solid(fvMesh& mesh)
:
    solid(mesh, solidThermo::New(mesh))
{
    // Read the controls
    readControls();
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::solvers::solid::~solid()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::scalar Foam::solvers::solid::maxDeltaT() const
{
    scalar deltaT = min(fvModels().maxDeltaT(), maxDeltaT_);
 
    if (DiNum > small)
    {
        deltaT = min(deltaT, maxDi/DiNum*runTime.deltaTValue());
    }
 
    return deltaT;
}
 
 
void Foam::solvers::solid::preSolve()
{
    // Read the controls
    readControls();
 
    fvModels().preUpdateMesh();
 
    // Update the mesh for topology change, mesh to mesh mapping
    mesh_.update();
 
    if (transient())
    {
        correctDiNum();
    }
}
 
 
void Foam::solvers::solid::moveMesh()
{
    if (pimple.firstIter() || pimple.moveMeshOuterCorrectors())
    {
        if (!mesh_.mover().solidBody())
        {
            FatalErrorInFunction
                << "Region " << name() << " of type " << type()
                << " does not support non-solid body mesh motion"
                << exit(FatalError);
        }
 
        mesh_.move();
    }
}
 
 
void Foam::solvers::solid::prePredictor()
{
    if (pimple.predictTransport())
    {
        thermophysicalTransport->predict();
    }
}
 
 
void Foam::solvers::solid::momentumPredictor()
{}
 
 
void Foam::solvers::solid::thermophysicalPredictor()
{
    volScalarField& e = thermo_.he();
    const volScalarField& rho = thermo_.rho();
 
    while (pimple.correctNonOrthogonal())
    {
        fvScalarMatrix eEqn
        (
            fvm::ddt(rho, e)
          + thermophysicalTransport->divq(e)
          ==
            fvModels().source(rho, e)
        );
 
        eEqn.relax();
 
        fvConstraints().constrain(eEqn);
 
        eEqn.solve();
 
        fvConstraints().constrain(e);
    }
 
    thermo_.correct();
}
 
 
void Foam::solvers::solid::pressureCorrector()
{}
 
 
void Foam::solvers::solid::postCorrector()
{
    if (pimple.correctTransport())
    {
        thermophysicalTransport->correct();
    }
}
 
 
void Foam::solvers::solid::postSolve()
{}
 
 
// ************************************************************************* //