porousmediumflow/1p/volumevariables.hh

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#ifndef DUMUX_1P_VOLUME_VARIABLES_HH
#define DUMUX_1P_VOLUME_VARIABLES_HH
 
#include <dumux/porousmediumflow/volumevariables.hh>
#include <dumux/porousmediumflow/nonisothermal/volumevariables.hh>
#include <dumux/material/fluidstates/immiscible.hh>
#include <dumux/material/solidstates/updatesolidvolumefractions.hh>
 
namespace Dumux {

template<class Traits>
class OnePVolumeVariables
: public PorousMediumFlowVolumeVariables< Traits>
, public EnergyVolumeVariables<Traits, OnePVolumeVariables<Traits> >
{
    using ThisType = OnePVolumeVariables<Traits>;
    using ParentType = PorousMediumFlowVolumeVariables<Traits>;
    using EnergyVolVars = EnergyVolumeVariables<Traits, OnePVolumeVariables<Traits> >;
 
    using Scalar = typename Traits::PrimaryVariables::value_type;
    using Indices = typename Traits::ModelTraits::Indices;
    using PermeabilityType = typename Traits::PermeabilityType;
    static constexpr int numFluidComps = ParentType::numFluidComponents();
public:
    using FluidSystem = typename Traits::FluidSystem;
    using FluidState = typename Traits::FluidState;
    using SolidState = typename Traits::SolidState;
    using SolidSystem = typename Traits::SolidSystem;

    template<class ElemSol, class Problem, class Element, class Scv>
    void update(const ElemSol& elemSol,
                const Problem& problem,
                const Element& element,
                const Scv& scv)
    {
        ParentType::update(elemSol, problem, element, scv);
 
         // porosity
        completeFluidState(elemSol, problem, element, scv, fluidState_, solidState_);
 
        // porosity and permeability
        updateSolidVolumeFractions(elemSol, problem, element, scv, solidState_, numFluidComps);
        EnergyVolVars::updateSolidEnergyParams(elemSol, problem, element, scv, solidState_);
        permeability_ = problem.spatialParams().permeability(element, scv, elemSol);
        EnergyVolVars::updateEffectiveThermalConductivity();
    }

    template<class ElemSol, class Problem, class Element, class Scv>
    void completeFluidState(const ElemSol& elemSol,
                            const Problem& problem,
                            const Element& element,
                            const Scv& scv,
                            FluidState& fluidState,
                            SolidState& solidState)
    {
        EnergyVolVars::updateTemperature(elemSol, problem, element, scv, fluidState, solidState);
        fluidState.setSaturation(/*phaseIdx=*/0, 1.);
 
        const auto& priVars = elemSol[scv.localDofIndex()];
        fluidState.setPressure(/*phaseIdx=*/0, priVars[Indices::pressureIdx]);
 
        // saturation in a single phase is always 1 and thus redundant
        // to set. But since we use the fluid state shared by the
        // immiscible multi-phase models, so we have to set it here...
        fluidState.setSaturation(/*phaseIdx=*/0, 1.0);
 
        typename FluidSystem::ParameterCache paramCache;
        paramCache.updatePhase(fluidState, /*phaseIdx=*/0);
 
        Scalar value = FluidSystem::density(fluidState, paramCache, /*phaseIdx=*/0);
        fluidState.setDensity(/*phaseIdx=*/0, value);
 
        value = FluidSystem::viscosity(fluidState, paramCache, /*phaseIdx=*/0);
        fluidState.setViscosity(/*phaseIdx=*/0, value);
 
        // compute and set the enthalpy
        value = EnergyVolVars::enthalpy(fluidState, paramCache, /*phaseIdx=*/0);
        fluidState.setEnthalpy(/*phaseIdx=*/0, value);
    }

    Scalar temperature() const
    { return fluidState_.temperature(); }

    const SolidState &solidState() const
    { return solidState_; }

    Scalar pressure(int phaseIdx = 0) const
    { return fluidState_.pressure(phaseIdx); }

    Scalar saturation(int phaseIdx = 0) const
    { return 1.0; }

    Scalar density(int phaseIdx = 0) const
    { return fluidState_.density(phaseIdx); }

    Scalar viscosity(int phaseIdx = 0) const
    { return fluidState_.viscosity(phaseIdx); }

    Scalar mobility(int phaseIdx = 0) const
    { return 1.0/fluidState_.viscosity(phaseIdx); }

    Scalar porosity() const
    { return solidState_.porosity(); }

    const PermeabilityType& permeability() const
    { return permeability_; }

    const FluidState &fluidState() const
    { return fluidState_; }
 
protected:
    FluidState fluidState_;
    SolidState solidState_;
    PermeabilityType permeability_;
};
 
} // end namespace Dumux
 
#endif