constantCoefficientVirtualMass.C

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#include "constantCoefficientVirtualMass.H"
#include "addToRunTimeSelectionTable.H"
#include "coupledToConstantDensityFluid.H"
#include "coupledToFluid.H"
#include "shaped.H"
#include "LagrangianmDdt.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace Lagrangian
{
    defineTypeNameAndDebug(constantCoefficientVirtualMass, 0);
    addToRunTimeSelectionTable
    (
        LagrangianModel,
        constantCoefficientVirtualMass,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
Foam::tmp<Foam::LagrangianSubScalarField>
Foam::Lagrangian::constantCoefficientVirtualMass::calcVOrMAdd
(
    const LagrangianModelRef& model,
    const LagrangianSubMesh& subMesh
) const
{
    const LagrangianSubScalarField& v = cloud<clouds::shaped>().v(subMesh);
 
    return
        isCloud<clouds::coupledToConstantDensityFluid>()
      ? Cvm_*v/cloud<clouds::coupledToConstantDensityFluid>().rhoByRhoc
      : Cvm_*v*cloud<clouds::coupledToFluid>().rhoc(subMesh);
}
 
 
void Foam::Lagrangian::constantCoefficientVirtualMass::addUSup
(
    const LagrangianSubScalarField& deltaT,
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    const LagrangianSubScalarSubField& vOrMAdd = this->vOrMAdd.ref(U.mesh());
 
    if (eqn.isPsi(U))
    {
        eqn -= Lagrangianm::ddt(vOrMAdd, U);
    }
    else
    {
        eqn -= Lagrangianm::ddt0(vOrMAdd, U);
    }
 
    eqn.Su += vOrMAdd*cloud<clouds::carried>().DUDtc(U.mesh());
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::Lagrangian::constantCoefficientVirtualMass::constantCoefficientVirtualMass
(
    const word& name,
    const LagrangianMesh& mesh,
    const dictionary& modelDict,
    const dictionary& stateDict
)
:
    LagrangianModel(name, mesh),
    cloudLagrangianModel(static_cast<const LagrangianModel&>(*this)),
    Cvm_("Cvm", dimless, modelDict),
    vOrMAdd
    (
        cloud().derivedField<scalar>
        (
            *this,
            &constantCoefficientVirtualMass::calcVOrMAdd
        )
    )
{
    cloud<clouds::carried>().DUDtc.psi();
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::wordList
Foam::Lagrangian::constantCoefficientVirtualMass::addSupFields() const
{
    return wordList({cloud().U.name()});
}
 
 
bool Foam::Lagrangian::constantCoefficientVirtualMass::addsSupToField
(
    const word& fieldName,
    const word& eqnFieldName
) const
{
    return
        fieldName == cloud().U.name()
     && (
            eqnFieldName == cloud().U.name()
         || eqnFieldName == cloud<clouds::carried>().Uc.name()
        );
}
 
 
void Foam::Lagrangian::constantCoefficientVirtualMass::addSup
(
    const LagrangianSubScalarField& deltaT,
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    assertCloud<clouds::coupledToConstantDensityFluid>();
 
    addUSup(deltaT, U, eqn);
}
 
 
void Foam::Lagrangian::constantCoefficientVirtualMass::addSup
(
    const LagrangianSubScalarField& deltaT,
    const LagrangianSubScalarSubField& vOrM,
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    assertCloud
    <
        clouds::coupledToConstantDensityFluid,
        clouds::coupledToFluid
    >();
 
    addUSup(deltaT, U, eqn);
}
 
 
// ************************************************************************* //