phaseForces.H

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    Copyright (C) 2018 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::functionObjects::phaseForces
 
Description
    This function object calculates and outputs the blended interfacial forces
    acting on a given phase, i.e. drag, virtual mass, lift, wall-lubrication and
    turbulent dispersion. Note that it works only in run-time processing mode
    and in combination with the reactingEulerFoam solvers.
 
    For a simulation involving more than two phases, the accumulated force is
    calculated by looping over all phasePairs involving that phase. The fields
    are stored in the database so that they can be processed further, e.g. with
    the fieldAveraging functionObject.
 
Usage
    Minimal example by using \c system/controlDict.functions:
    \verbatim
    phaseForces.waterFO
    {
        // Mandatory entries
        type                phaseForces;
        libs                (reactingEulerFoamFunctionObjects);
        phase               <word>;
 
        // Inherited entries
        ...
    }
 
    where the entries mean:
    \table
      Property | Description                        | Type | Reqd | Deflt
      type     | Type name: phaseForces             | word | yes  | -
      libs     | Library name: reactingEulerFoamFunctionObjects | word | yes | -
      phase    | Name of operand phase              | word | yes  | -
    \endtable
 
    The inherited entries are elaborated in:
      - \link functionObject.H \endlink
 
SourceFiles
    phaseForces.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_functionObjects_phaseForces_H
#define Foam_functionObjects_phaseForces_H
 
#include "fvMeshFunctionObject.H"
#include "phaseSystem.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
 
/*---------------------------------------------------------------------------*\
                         Class phaseForces Declaration
\*---------------------------------------------------------------------------*/
 
class phaseForces
:
    public fvMeshFunctionObject
{
    // Private Member Functions
 
        //- Disallow default bitwise copy construct
        phaseForces(const phaseForces&);
 
        //- Disallow default bitwise assignment
        void operator=(const phaseForces&);
 
 
protected:
 
    // Protected Data
 
        HashPtrTable<volVectorField> forceFields_;
 
        //- Phase for which forces are evaluated
        const phaseModel& phase_;
 
        //- Constant access to phaseSystem
        const phaseSystem& fluid_;
 
 
    // Protected Member Functions
 
        //- Evaluate and return non-drag force
        template<class modelType>
        tmp<volVectorField> nonDragForce(const phasePair& key) const;
 
 
public:
 
    //- Runtime type information
    TypeName("phaseForces");
 
 
    // Constructors
 
        //- Construct from name, Time and dictionary
        phaseForces
        (
            const word& name,
            const Time& runTime,
            const dictionary&
        );
 
 
    //- Destructor
    virtual ~phaseForces();
 
 
    // Member Functions
 
        //- Read the function-object dictionary
        virtual bool read(const dictionary& dict);
 
        //- Execute the function-object operations
        virtual bool execute();
 
        //- Write the function-object results
        virtual bool write();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionObjects
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //