datasplinemateriallaw.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-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_MATERIAL_FLUIDMATRIX_DATA_SPLINE_MATERIAL_HH
#define DUMUX_MATERIAL_FLUIDMATRIX_DATA_SPLINE_MATERIAL_HH
 
#include <algorithm>
#include <dumux/common/parameters.hh>
#include <dumux/common/monotonecubicspline.hh>
#include <dumux/material/fluidmatrixinteractions/fluidmatrixinteraction.hh>
#include <dumux/material/fluidmatrixinteractions/2p/materiallaw.hh>
 
namespace Dumux::FluidMatrix {
 
template <class S, bool approximatePcSwInverse = false>
class DataSplineTwoPMaterialLaw
: public Adapter<DataSplineTwoPMaterialLaw<S, approximatePcSwInverse>, PcKrSw>
{
public:
 
    using Scalar = S;
 
    static constexpr int numFluidPhases()
    { return 2; }
 
    static constexpr bool isRegularized()
    { return false; }
 
    DataSplineTwoPMaterialLaw() = delete;
 
    explicit DataSplineTwoPMaterialLaw(const std::string& paramGroup)
    {
        using V = std::vector<Scalar>;
        const std::string swPcGroup = paramGroup.empty() ? "Pc" : paramGroup + ".Pc";
        const auto swPc = getParamFromGroup<V>(swPcGroup, "SwData");
        const std::string krwPcGroup = paramGroup.empty() ? "Krw" : paramGroup + ".Krw";
        const auto swKrw = getParamFromGroup<V>(krwPcGroup, "SwData");
        const std::string krnPcGroup = paramGroup.empty() ? "Krn" : paramGroup + ".Krn";
        const auto swKrn = getParamFromGroup<V>(krnPcGroup, "SwData");
 
        const auto pc = getParamFromGroup<V>(paramGroup, "PcData");
        const auto krw = getParamFromGroup<V>(paramGroup, "KrwData");
        const auto krn = getParamFromGroup<V>(paramGroup, "KrnData");
 
        updateData_(swPc, pc, swKrw, krw, swKrn, krn);
    }
 
    DataSplineTwoPMaterialLaw(const std::vector<Scalar>& swPc,
                              const std::vector<Scalar>& pc,
                              const std::vector<Scalar>& swKrw,
                              const std::vector<Scalar>& krw,
                              const std::vector<Scalar>& swKrn,
                              const std::vector<Scalar>& krn)
    {
        updateData_(swPc, pc, swKrw, krw, swKrn, krn);
    }
 
    Scalar pc(const Scalar sw) const
    {
        if constexpr (approximatePcSwInverse)
            return pcSpline_.evalInverse(sw);
        else
            return pcSpline_.eval(sw);
    }
 
    Scalar dpc_dsw(const Scalar sw) const
    {
        if constexpr (approximatePcSwInverse)
            return 1.0/pcSpline_.evalDerivative(pcSpline_.evalInverse(sw));
        else
            return pcSpline_.evalDerivative(sw);
    }
 
    Scalar sw(const Scalar pc) const
    {
        if constexpr (approximatePcSwInverse)
            return pcSpline_.eval(pc);
        else
            return pcSpline_.evalInverse(pc);
    }
 
    Scalar dsw_dpc(const Scalar pc) const
    {
        if constexpr (approximatePcSwInverse)
            return pcSpline_.evalDerivative(pc);
        else
            return 1.0/pcSpline_.evalDerivative(pcSpline_.evalInverse(pc));
    }
 
    Scalar krw(const Scalar sw) const
    {
        return krwSpline_.eval(sw);
    }
 
    Scalar dkrw_dsw(const Scalar sw) const
    {
        return krwSpline_.evalDerivative(sw);
    }
 
    Scalar krn(const Scalar sw) const
    {
        return krnSpline_.eval(sw);
    }
 
    Scalar dkrn_dsw(const Scalar sw) const
    {
        return krnSpline_.evalDerivative(sw);
    }
 
private:
    void updateData_(const std::vector<Scalar>& swPc,
                     const std::vector<Scalar>& pc,
                     const std::vector<Scalar>& swKrw,
                     const std::vector<Scalar>& krw,
                     const std::vector<Scalar>& swKrn,
                     const std::vector<Scalar>& krn)
    {
        if constexpr (approximatePcSwInverse)
            pcSpline_.updatePoints(pc, swPc);
        else
            pcSpline_.updatePoints(swPc, pc);
 
        krwSpline_.updatePoints(swKrw, krw);
        krnSpline_.updatePoints(swKrn, krn);
    }
 
    MonotoneCubicSpline<Scalar> pcSpline_;
    MonotoneCubicSpline<Scalar> krwSpline_;
    MonotoneCubicSpline<Scalar> krnSpline_;
};
 
} // end namespace Dumux::FluidMatrix
 
#endif