LaplacePressureLagrangianScalarFieldSource.H

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Class
    Foam::LaplacePressureLagrangianScalarFieldSource
 
Description
    This source condition sets the values of the pressure to that of the
    carrier plus an amount caused by the effect of the surface tension on a
    spherical droplet or bubble.
 
    Note that for now, the surface tension is an input parameter. This is
    likely to change as more surface-tension-dependent models are introduced
    and it becomes necessary to centralise the specification of the surface
    tension modelling. For now, this serves as a proof of concept that the
    pressure of the particles can differ from that of the carrier.
 
Usage
    \table
        Property | Description                     | Required? | Default
        sigma    | The surface tension coefficient | yes       |
    \endtable
 
    Example specification:
    \verbatim
    <LagrangianModelName>
    {
        type            LaplacePressure;
        sigma           0.07 [N/m];
    }
    \endverbatim
 
SourceFiles
    LaplacePressureLagrangianScalarFieldSource.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef LaplacePressureLagrangianScalarFieldSource_H
#define LaplacePressureLagrangianScalarFieldSource_H
 
#include "LagrangianFieldSources.H"
#include "cloudLagrangianFieldSource.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
       Class LaplacePressureLagrangianScalarFieldSource Declaration
\*---------------------------------------------------------------------------*/
 
class LaplacePressureLagrangianScalarFieldSource
:
    public LagrangianScalarFieldSource,
    private cloudLagrangianFieldSource
{
private:
 
    // Private Data
 
        //- The surface tension coefficient
        const dimensionedScalar sigma_;
 
 
public:
 
    //- Runtime type information
    TypeName("LaplacePressure");
 
 
    // Constructors
 
        //- Construct from internal field and dictionary
        LaplacePressureLagrangianScalarFieldSource
        (
            const regIOobject&,
            const dictionary& dict
        );
 
        //- Copy constructor setting the internal field reference
        LaplacePressureLagrangianScalarFieldSource
        (
            const LaplacePressureLagrangianScalarFieldSource&,
            const regIOobject&
        );
 
        //- Construct and return a clone setting the internal field reference
        virtual autoPtr<LagrangianScalarFieldSource> clone
        (
            const regIOobject& iIo
        ) const
        {
            return autoPtr<LagrangianScalarFieldSource>
            (
                new LaplacePressureLagrangianScalarFieldSource(*this, iIo)
            );
        }
 
 
    //- Destructor
    virtual ~LaplacePressureLagrangianScalarFieldSource();
 
 
    // Member Functions
 
        //- Return the value for an instantaneous injection
        virtual tmp<LagrangianSubScalarField> value
        (
            const LagrangianInjection&,
            const LagrangianSubMesh&
        ) const;
 
        //- Return the value without a model
        virtual tmp<LagrangianSubScalarField> value
        (
            const LagrangianSubMesh&
        ) const;
 
        //- Write
        virtual void write(Ostream&) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //