porousmediumflow/richards/implicit/lens/spatialparams.hh

Go to the documentation of this file.

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
 *   See the file COPYING for full copying permissions.                      *
 *                                                                           *
 *   This program 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.                                     *
 *                                                                           *
 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.   *
 *****************************************************************************/
#ifndef DUMUX_RICHARDS_LENS_SPATIAL_PARAMETERS_HH
#define DUMUX_RICHARDS_LENS_SPATIAL_PARAMETERS_HH
 
#include <dumux/material/spatialparams/fv.hh>
#include <dumux/material/fluidmatrixinteractions/2p/regularizedvangenuchten.hh>
#include <dumux/material/fluidmatrixinteractions/2p/efftoabslaw.hh>
 
#include <dumux/porousmediumflow/richards/model.hh>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class RichardsLensSpatialParams
: public FVSpatialParams<GridGeometry, Scalar, RichardsLensSpatialParams<GridGeometry, Scalar>>
{
    using ThisType = RichardsLensSpatialParams<GridGeometry, Scalar>;
    using ParentType = FVSpatialParams<GridGeometry, Scalar, ThisType>;
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    enum { dimWorld = GridView::dimensionworld };
 
public:
    using MaterialLaw = EffToAbsLaw<RegularizedVanGenuchten<Scalar>>;
    using MaterialLawParams = typename MaterialLaw::Params;
    // export permeability type
    using PermeabilityType = Scalar;
 
    RichardsLensSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
 
        lensLowerLeft_ = {1.0, 2.0};
        lensUpperRight_ = {4.0, 3.0};
 
        // residual saturations
        lensMaterialParams_.setSwr(0.18);
        lensMaterialParams_.setSnr(0.0);
        outerMaterialParams_.setSwr(0.05);
        outerMaterialParams_.setSnr(0.0);
 
        // parameters for the Van Genuchten law
        // alpha and n
        lensMaterialParams_.setVgAlpha(0.00045);
        lensMaterialParams_.setVgn(7.3);
        outerMaterialParams_.setVgAlpha(0.0037);
        outerMaterialParams_.setVgn(4.7);
 
        lensK_ = 1e-12;
        outerK_ = 5e-12;
    }
 
    PermeabilityType permeabilityAtPos(const GlobalPosition& globalPos) const
    {
        if (isInLens_(globalPos))
            return lensK_;
        return outerK_;
    }
 
    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    { return 0.4; }
 
    template<class ElementSolution>
    const MaterialLawParams& materialLawParams(const Element& element,
                                               const SubControlVolume& scv,
                                               const ElementSolution& elemSol) const
    {
        const auto& globalPos = scv.dofPosition();
 
        return materialLawParamsAtPos(globalPos);
    }
 
    const MaterialLawParams& materialLawParamsAtPos(const GlobalPosition& globalPos) const
    {
        if (isInLens_(globalPos))
            return lensMaterialParams_;
        return outerMaterialParams_;
    }
 
private:
    bool isInLens_(const GlobalPosition &globalPos) const
    {
        for (int i = 0; i < dimWorld; ++i)
            if (globalPos[i] < lensLowerLeft_[i] - eps_ || globalPos[i] > lensUpperRight_[i] + eps_)
                return false;
 
        return true;
    }
 
    static constexpr Scalar eps_ = 1e-6;
 
    GlobalPosition lensLowerLeft_;
    GlobalPosition lensUpperRight_;
 
    Scalar lensK_;
    Scalar outerK_;
    MaterialLawParams lensMaterialParams_;
    MaterialLawParams outerMaterialParams_;
};
 
} // end namespace Dumux
 
#endif