CarrierField.H

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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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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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::CarrierField
 
Description
    A field interpolated from the carrier to the cloud. Uses CloudDerivedField
    to provide flexible access and caching.
 
See also
    Foam::CloudDerivedField
 
SourceFiles
    CarrierField.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef CarrierField_H
#define CarrierField_H
 
#include "CloudDerivedField.H"
#include "interpolation.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                       Class CarrierFieldBase Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class CarrierFieldBase
:
    public CloudDerivedField<Type>
{
    // Private Classes
 
        //- Class to virtualise an evaluation procedure
        class Functor;
 
        //- Class to store an evaluation function
        template<class F>
        class Function;
 
 
    // Private Data
 
        //- The function
        const autoPtr<Functor> functorPtr_;
 
        //- Field reference or cache
        mutable tmp<VolField<Type>> tpsi_;
 
        //- Interpolation engine
        mutable autoPtr<interpolation<Type>> psiInterpolationPtr_;
 
        //- Old-time interpolation engine
        mutable autoPtr<interpolation<Type>> psi0InterpolationPtr_;
 
 
    // Private Member Functions
 
        //- Interpolate and return the result
        tmp<LagrangianSubField<Type>> interpolate
        (
            const LagrangianModelRef&,
            const LagrangianSubMesh& subMesh
        ) const;
 
 
protected:
 
    // Protected Member Functions
 
        //- Return whether or not to interpolate in time as well as space
        bool useOldTime(const LagrangianMesh&) const;
 
        //- Return the interpolation engine
        const interpolation<Type>& psiInterpolation
        (
            const LagrangianMesh&
        ) const;
 
        //- Return the old-time interpolation engine
        const interpolation<Type>& psi0Interpolation
        (
            const LagrangianMesh&
        ) const;
 
 
public:
 
    // Constructors
 
        //- Construct from a reference to a carrier field
        CarrierFieldBase(const VolField<Type>&);
 
        //- Construct from a name and a reference to a carrier field
        CarrierFieldBase(const word& name, const VolField<Type>&);
 
        //- Construct from a name and an evaluation function
        template<class F>
        CarrierFieldBase(const word& name, const F& f);
 
 
    // Member Functions
 
        //- Access the carrier field
        const VolField<Type>& psi() const;
 
        //- Reset
        void reset(const bool initial);
};
 
 
/*---------------------------------------------------------------------------*\
                     Class CarrierFieldGradBase Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class CarrierFieldGradBase
:
    public CarrierFieldBase<Type>
{
    // Private Type Definitions
 
        //- The gradient type
        typedef typename outerProduct<Type, vector>::type GradType;
 
 
    // Private Member Functions
 
        //- Interpolate the gradient and return the result
        tmp<LagrangianSubField<GradType>> interpolateGrad
        (
            const LagrangianModelRef&,
            const LagrangianSubMesh& subMesh
        ) const;
 
 
public:
 
    // Constructors
 
        //- Construct from arguments passed to the base class
        template<class ... Args>
        CarrierFieldGradBase(const Args& ... args);
 
 
    // Public Data
 
        // The gradient derived field
        CloudDerivedField<GradType> grad;
 
 
    // Member Functions
 
        //- Reset
        void reset(const bool initial);
};
 
 
/*---------------------------------------------------------------------------*\
                 Typedef CarrierFieldBaseOrGradBase Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
using CarrierFieldBaseOrGradBase =
    typename std::conditional
    <
        (pTraits<Type>::rank > 1),
        CarrierFieldBase<Type>,
        CarrierFieldGradBase<Type>
    >::type;
 
 
/*---------------------------------------------------------------------------*\
                         Class CarrierField Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class CarrierField
:
    public CarrierFieldBaseOrGradBase<Type>
{
    // Private Type Definitions
 
        //- The base class
        typedef CarrierFieldBaseOrGradBase<Type> Base;
 
 
public:
 
    // Constructors
 
        //- Inherit constructors
        using Base::Base;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "CarrierField.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //