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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.
*/
/*!
* \file
*
* \copydoc Opm::DiscreteFractureProblem
*/
#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 {
/*!
* \ingroup DiscreteFractureModel
* \brief The base class for the problems of ECFV discretizations which deal
* with a multi-phase flow through a porous medium.
*/
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:
/*!
* \copydoc Problem::FvBaseProblem(Simulator& )
*/
DiscreteFractureProblem(Simulator& simulator)
: ParentType(simulator)
{}
/*!
* \brief Returns the intrinsic permeability of a face due to a fracture.
*
* This method is specific to the finite volume discretizations. If left unspecified,
* it calls the intrinsicPermeability() methods for the face's interior and exterior
* finite volume and averages them harmonically. Note that if this function is
* defined, the intrinsicPermeability() method does not need to be defined by the
* problem (if a finite-volume discretization is used).
*/
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]);
}
/*!
* \brief Returns the intrinsic permeability tensor \f$[m^2]\f$ at a given position due to a fracture
*
* \param context Reference to the object which represents the
* current execution context.
* \param spaceIdx The local index of spatial entity defined by the context
* \param timeIdx The index used by the time discretization.
*/
template <class Context>
const DimMatrix& fractureIntrinsicPermeability(const Context&,
unsigned,
unsigned) const
{
throw std::logic_error("Not implemented: Problem::fractureIntrinsicPermeability()");
}
/*!
* \brief Returns the porosity [] inside fractures for a given control volume.
*
* \param context Reference to the object which represents the
* current execution context.
* \param spaceIdx The local index of spatial entity defined by the context
* \param timeIdx The index used by the time discretization.
*/
template <class Context>
Scalar fracturePorosity(const Context&,
unsigned,
unsigned) const
{
throw std::logic_error("Not implemented: Problem::fracturePorosity()");
}
private:
//! Returns the implementation of the problem (i.e. static polymorphism)
Implementation& asImp_()
{ return *static_cast<Implementation *>(this); }
//! \copydoc asImp_()
const Implementation& asImp_() const
{ return *static_cast<const Implementation *>(this); }
};
} // namespace Opm
#endif
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