common/volumevariables.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_COMMON_BASIC_VOLUME_VARIABLES_HH
#define DUMUX_COMMON_BASIC_VOLUME_VARIABLES_HH
 
#include <memory>
 
#include <dune/common/ftraits.hh>
 
namespace Dumux {
 
template <class Traits>
class BasicVolumeVariables
{
    using PrimaryVariable = typename Traits::PrimaryVariables::value_type;
    using Scalar = typename Dune::FieldTraits<PrimaryVariable>::real_type;
public:
    using PrimaryVariables = typename Traits::PrimaryVariables;

    template<class ElementSolution, class Problem, class Element, class SubControlVolume>
    void update(const ElementSolution& elemSol,
                const Problem& problem,
                const Element& element,
                const SubControlVolume& scv)
    {
        priVars_ = elemSol[scv.indexInElement()];
    }
 
    PrimaryVariable priVar(const int pvIdx) const
    { return priVars_[pvIdx]; }
 
    const PrimaryVariables& priVars() const
    { return priVars_; }
 
    // for compatibility with more general models
    Scalar extrusionFactor() const
    { return 1.0; }
 
private:
    PrimaryVariables priVars_;
};
 
} // end namespace Dumux
 
#endif