pressureGradientForce.C

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License
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#include "pressureGradientForce.H"
#include "addToRunTimeSelectionTable.H"
#include "coupledToConstantDensityFluid.H"
#include "coupledToFluid.H"
#include "shaped.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace Lagrangian
{
    defineTypeNameAndDebug(pressureGradientForce, 0);
    addToRunTimeSelectionTable
    (
        LagrangianModel,
        pressureGradientForce,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::Lagrangian::pressureGradientForce::addUSup
(
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    const LagrangianSubMesh& subMesh = U.mesh();
 
    const clouds::shaped& sCloud = cloud<clouds::shaped>();
    const clouds::carried& cCloud = cloud<clouds::carried>();
 
    const LagrangianSubScalarField& v = sCloud.v(subMesh);
 
    const LagrangianSubScalarField mcByMOrMc
    (
        isCloud<clouds::coupledToConstantDensityFluid>()
      ? v/cloud<clouds::coupledToConstantDensityFluid>().rhoByRhoc
      : v*cloud<clouds::coupledToFluid>().rhoc(subMesh)
    );
 
    eqn.Su += mcByMOrMc*cCloud.DUDtc(subMesh);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::Lagrangian::pressureGradientForce::pressureGradientForce
(
    const word& name,
    const LagrangianMesh& mesh,
    const dictionary& modelDict,
    const dictionary& stateDict
)
:
    LagrangianModel(name, mesh),
    cloudLagrangianModel(static_cast<const LagrangianModel&>(*this))
{
    cloud<clouds::carried>().DUDtc.psi();
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::wordList Foam::Lagrangian::pressureGradientForce::addSupFields() const
{
    return wordList({cloud().U.name()});
}
 
 
bool Foam::Lagrangian::pressureGradientForce::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::pressureGradientForce::addSup
(
    const LagrangianSubScalarField& deltaT,
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    assertCloud<clouds::coupledToConstantDensityFluid>();
 
    addUSup(U, eqn);
}
 
 
void Foam::Lagrangian::pressureGradientForce::addSup
(
    const LagrangianSubScalarField& deltaT,
    const LagrangianSubScalarSubField& vOrM,
    const LagrangianSubVectorSubField& U,
    LagrangianEqn<vector>& eqn
) const
{
    assertCloud
    <
        clouds::coupledToConstantDensityFluid,
        clouds::coupledToFluid
    >();
 
    addUSup(U, eqn);
}
 
 
// ************************************************************************* //