CloudAverageField.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2025-2026 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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::CloudAverageField
 
Description
    A cloud field that is averaged and then interpolated back to the cloud. Uses
    CloudDerivedField to provide flexible access and caching.
 
See also
    Foam::CloudDerivedField
 
SourceFiles
    CloudAverageField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef CloudAverageField_H
#define CloudAverageField_H
 
#include "CloudStateField.H"
#include "CloudDerivedField.H"
#include "LagrangianAverage.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class fvMesh;
 
/*---------------------------------------------------------------------------*\
                        Class CloudAverageField Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class CloudAverageField
:
    public CloudDerivedField<Type>
{
    // Private Data
 
        //- The cell weight sum
        const tmp<DimensionedField<scalar, fvMesh>> tcellWeightSum_;
 
        //- Reference to the weight state field
        const CloudStateField<scalar>& weightState_;
 
        //- Reference to the weight derived field
        const CloudDerivedField<scalar>& weightDerived_;
 
        //- Reference to the state field
        const CloudStateField<Type>& weightPsiOrPsiState_;
 
        //- Reference to the derived field
        const CloudDerivedField<Type>& weightPsiOrPsiDerived_;
 
        //- Averaging engine
        mutable autoPtr<LagrangianAverage<Type>> psiAveragePtr_;
 
        //- Current state of the average
        mutable enum class psiAverageState
        {
            removed,
            complete,
            cached
        } psiAverageState_;
 
 
    // Private Member Functions
 
        //- Run an operation on the averaging engine
        template<class MethodWeightSum, class MethodNoWeightSum, class ... Args>
        void op
        (
            MethodWeightSum,
            MethodNoWeightSum,
            const LagrangianSubMesh&,
            const Args& ... args
        ) const;
 
        //- Interpolate and return the result
        tmp<LagrangianSubField<Type>> interpolate
        (
            const LagrangianModelRef&,
            const LagrangianSubMesh&
        ) const;
 
 
public:
 
    // Constructors
 
        //- Construct from a name, a cell weight sum and a derived field
        CloudAverageField
        (
            const word& name,
            const DimensionedField<scalar, fvMesh>& cellWeightSum,
            const CloudDerivedField<Type>& weightPsi
        );
 
 
    // Member Functions
 
        //- Remove this sub-mesh from the average
        void remove(const LagrangianSubMesh& subMesh);
 
        //- Add this sub-mesh to the average
        void add(const LagrangianSubMesh& subMesh, const bool cache);
 
        //- Correct the average with values from the sub-mesh
        void correct(const LagrangianSubMesh& subMesh, const bool cache);
 
        //- Reset
        void reset();
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "CloudAverageField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //