discretefractureproblem.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:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM 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 2 of the License, or
  (at your option) any later version.
 
  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef EWOMS_DISCRETE_FRACTURE_PROBLEM_HH
#define EWOMS_DISCRETE_FRACTURE_PROBLEM_HH
 
#include "discretefractureproperties.hh"
 
#include <opm/models/common/multiphasebaseproblem.hh>
 
#include <opm/material/common/Means.hpp>
 
#include <dune/common/fvector.hh>
#include <dune/common/fmatrix.hh>
 
namespace Opm {
 
template<class TypeTag>
class DiscreteFractureProblem
    : public MultiPhaseBaseProblem<TypeTag>
{
    using ParentType = Opm::MultiPhaseBaseProblem<TypeTag>;
 
    using Implementation = GetPropType<TypeTag, Properties::Problem>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Simulator = GetPropType<TypeTag, Properties::Simulator>;
 
    enum { dimWorld = GridView::dimensionworld };
    using DimMatrix = Dune::FieldMatrix<Scalar, dimWorld, dimWorld>;
 
public:
    DiscreteFractureProblem(Simulator& simulator)
        : ParentType(simulator)
    {}
 
    template <class Context>
    void fractureFaceIntrinsicPermeability(DimMatrix& result,
                                           const Context& context,
                                           unsigned localFaceIdx,
                                           unsigned timeIdx) const
    {
        const auto& scvf = context.stencil(timeIdx).interiorFace(localFaceIdx);
        unsigned interiorElemIdx = scvf.interiorIndex();
        unsigned exteriorElemIdx = scvf.exteriorIndex();
        const DimMatrix& K1 = asImp_().fractureIntrinsicPermeability(context, interiorElemIdx, timeIdx);
        const DimMatrix& K2 = asImp_().fractureIntrinsicPermeability(context, exteriorElemIdx, timeIdx);
 
        // entry-wise harmonic mean. this is almost certainly wrong if
        // you have off-main diagonal entries in your permeabilities!
        for (unsigned i = 0; i < dimWorld; ++i)
            for (unsigned j = 0; j < dimWorld; ++j)
                result[i][j] = Opm::harmonicMean(K1[i][j], K2[i][j]);
    }
    template <class Context>
    const DimMatrix& fractureIntrinsicPermeability(const Context&,
                                                   unsigned,
                                                   unsigned) const
    {
        throw std::logic_error("Not implemented: Problem::fractureIntrinsicPermeability()");
    }
 
    template <class Context>
    Scalar fracturePorosity(const Context&,
                            unsigned,
                            unsigned) const
    {
        throw std::logic_error("Not implemented: Problem::fracturePorosity()");
    }
 
private:
    Implementation& asImp_()
    { return *static_cast<Implementation *>(this); }
    const Implementation& asImp_() const
    { return *static_cast<const Implementation *>(this); }
};
 
} // namespace Opm
 
#endif