fvbaseboundarycontext.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_FV_BASE_BOUNDARY_CONTEXT_HH
#define EWOMS_FV_BASE_BOUNDARY_CONTEXT_HH
 
#include <dune/common/fvector.hh>
 
#include <opm/models/discretization/common/fvbaseproperties.hh>
 
#include <cstddef>
 
namespace Opm {

template<class TypeTag>
class FvBaseBoundaryContext
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using Model = GetPropType<TypeTag, Properties::Model>;
    using Stencil = GetPropType<TypeTag, Properties::Stencil>;
    using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
    using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
    using ExtensiveQuantities = GetPropType<TypeTag, Properties::ExtensiveQuantities>;
    using GradientCalculator = GetPropType<TypeTag, Properties::GradientCalculator>;
 
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using IntersectionIterator = typename GridView::IntersectionIterator;
    using Intersection = typename GridView::Intersection;
 
    enum { dim = GridView::dimension };
    enum { dimWorld = GridView::dimensionworld };
 
    using CoordScalar = typename GridView::ctype;
    using GlobalPosition = Dune::FieldVector<CoordScalar, dimWorld>;
    using Vector = Dune::FieldVector<Scalar, dimWorld>;
 
public:
    explicit FvBaseBoundaryContext(const ElementContext& elemCtx)
        : elemCtx_(elemCtx)
        , intersectionIt_(gridView().ibegin(element()))
    {}
 
    void increment()
    {
        const auto& iend = gridView().iend(element());
 
        if (intersectionIt_ == iend) {
            return;
        }
 
        ++intersectionIt_;
        // iterate to the next boundary intersection
        while (intersectionIt_ != iend && intersectionIt_->neighbor()) {
            ++intersectionIt_;
        }
    }

    const Problem& problem() const
    { return elemCtx_.problem(); }

    const Model& model() const
    { return elemCtx_.model(); }

    const GridView& gridView() const
    { return elemCtx_.gridView(); }

    const Element& element() const
    { return elemCtx_.element(); }

    const ElementContext& elementContext() const
    { return elemCtx_; }

    const GradientCalculator& gradientCalculator() const
    { return elemCtx_.gradientCalculator(); }

    std::size_t numDof(unsigned timeIdx) const
    { return elemCtx_.numDof(timeIdx); }

    std::size_t numPrimaryDof(unsigned timeIdx) const
    { return elemCtx_.numPrimaryDof(timeIdx); }

    std::size_t numInteriorFaces(unsigned timeIdx) const
    { return elemCtx_.numInteriorFaces(timeIdx); }

    std::size_t numBoundaryFaces(unsigned timeIdx) const
    { return elemCtx_.stencil(timeIdx).numBoundaryFaces(); }

    const Stencil& stencil(unsigned timeIdx) const
    { return elemCtx_.stencil(timeIdx); }

    Vector normal(unsigned boundaryFaceIdx, unsigned timeIdx) const
    {
        auto tmp = stencil(timeIdx).boundaryFace[boundaryFaceIdx].normal;
        tmp /= tmp.two_norm();
        return tmp;
    }

    Scalar boundarySegmentArea(unsigned boundaryFaceIdx, unsigned timeIdx) const
    { return elemCtx_.stencil(timeIdx).boundaryFace(boundaryFaceIdx).area(); }

    const GlobalPosition& pos(unsigned boundaryFaceIdx, unsigned timeIdx) const
    { return stencil(timeIdx).boundaryFace(boundaryFaceIdx).integrationPos(); }

    const GlobalPosition& cvCenter(unsigned boundaryFaceIdx, unsigned timeIdx) const
    {
        const unsigned scvIdx = stencil(timeIdx).boundaryFace(boundaryFaceIdx).interiorIndex();
        return stencil(timeIdx).subControlVolume(scvIdx).globalPos();
    }

    unsigned focusDofIndex() const
    { return elemCtx_.focusDofIndex(); }

    unsigned interiorScvIndex(unsigned boundaryFaceIdx, unsigned timeIdx) const
    { return stencil(timeIdx).boundaryFace(boundaryFaceIdx).interiorIndex(); }

    unsigned globalSpaceIndex(unsigned boundaryFaceIdx, unsigned timeIdx) const
    { return elemCtx_.globalSpaceIndex(interiorScvIndex(boundaryFaceIdx, timeIdx), timeIdx); }

    const IntensiveQuantities& intensiveQuantities(unsigned boundaryFaceIdx, unsigned timeIdx) const
    {
        const unsigned interiorScvIdx = this->interiorScvIndex(boundaryFaceIdx, timeIdx);
        return elemCtx_.intensiveQuantities(interiorScvIdx, timeIdx);
    }

    const ExtensiveQuantities& extensiveQuantities(unsigned boundaryFaceIdx, unsigned timeIdx) const
    { return elemCtx_.boundaryExtensiveQuantities(boundaryFaceIdx, timeIdx); }

    const Intersection intersection(unsigned) const
    { return *intersectionIt_; }

    IntersectionIterator& intersectionIt()
    { return intersectionIt_; }
 
protected:
    const ElementContext& elemCtx_;
    IntersectionIterator intersectionIt_;
};
 
} // namespace Opm
 
#endif