sequential/variableclassadaptive.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_VARIABLECLASS_ADAPTIVE_HH
#define DUMUX_VARIABLECLASS_ADAPTIVE_HH
 
#include <dune/grid/common/partitionset.hh>
#include <dune/grid/utility/persistentcontainer.hh>
#include <dumux/linear/vectorexchange.hh>
#include "variableclass.hh"
 
namespace Dumux
{
 
template<class TypeTag>
class VariableClassAdaptive: public VariableClass<TypeTag>
{
private:
    using ParentType = VariableClass<TypeTag>;
 
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView;
    using CellData = GetPropType<TypeTag, Properties::CellData>;
    using AdaptedValues = typename CellData::AdaptedValues;
 
    using Grid = typename GridView::Grid;
    using LevelGridView = typename Grid::LevelGridView;
    using PersistentContainer = Dune::PersistentContainer<Grid, AdaptedValues>;
 
private:
    const Grid& grid_;
    PersistentContainer adaptationMap_;
 
public:
 
    VariableClassAdaptive(const GridView& gridView) :
        ParentType(gridView), grid_(gridView.grid()), adaptationMap_(grid_, 0)
    {}
 
 
    void storePrimVars(const Problem& problem)
    {
        adaptationMap_.resize();
 
        // loop over all levels of the grid
        for (int level = grid_.maxLevel(); level >= 0; level--)
        {
            //get grid view on level grid
            LevelGridView levelView = grid_.levelGridView(level);
 
            for (const auto& element : elements(levelView))
            {
                //get your map entry
                AdaptedValues &adaptedValues = adaptationMap_[element];
 
                // put your value in the map
                if (element.isLeaf())
                {
                    // get index
                    int indexI = this->index(element);
 
                    CellData& cellData = this->cellData(indexI);
 
                    cellData.storeAdaptionValues(adaptedValues, element);
 
                    adaptedValues.count = 1;
                }
                //Average in father
                if (element.level() > 0)
                {
                    auto father = element.father();
                    AdaptedValues& adaptedValuesFather = adaptationMap_[father];
                    adaptedValuesFather.count += 1;
                    CellData::storeAdaptionValues(adaptedValues, adaptedValuesFather, father);
                }
            }
        }
    }
 
    void reconstructPrimVars(const Problem& problem)
    {
        adaptationMap_.resize();
 
        for (int level = 0; level <= grid_.maxLevel(); level++)
        {
            LevelGridView levelView = grid_.levelGridView(level);
 
            for (const auto& element : elements(levelView))
            {
                // only treat non-ghosts, ghost data is communicated afterwards
                if (element.partitionType() == Dune::GhostEntity)
                    continue;
 
                if (!element.isNew())
                {
                    //entry is in map, write in leaf
                    if (element.isLeaf())
                    {
                        AdaptedValues &adaptedValues = adaptationMap_[element];
                        int newIdxI = this->index(element);
 
                        CellData& cellData = this->cellData(newIdxI);
 
                        cellData.setAdaptionValues(adaptedValues, element);
                    }
                }
                else
                {
                    // value is not in map, interpolate from father element
                    if (element.level() > 0)
                    {
                        // create new entry: reconstruct from adaptationMap_[father] to a new
                        // adaptationMap_[son]
                        CellData::reconstructAdaptionValues(adaptationMap_, element.father(), element, problem);
 
                        // access new son
                        AdaptedValues& adaptedValues = adaptationMap_[element];
                        adaptedValues.count = 1;
 
                        // if we are on leaf, store reconstructed values of son in CellData object
                        if (element.isLeaf())
                        {
                            // acess new CellData object
                            int newIdxI = this->index(element);
                            CellData& cellData = this->cellData(newIdxI);
 
                            cellData.setAdaptionValues(adaptedValues, element);
                        }
                    }
                }
            }
 
        }
        // reset entries in restrictionmap
        adaptationMap_.resize( typename PersistentContainer::Value() );
        adaptationMap_.shrinkToFit();
        adaptationMap_.fill( typename PersistentContainer::Value() );
 
#if HAVE_MPI
        // communicate ghost data
        using SolutionTypes = GetProp<TypeTag, Properties::SolutionTypes>;
        using ElementMapper = typename SolutionTypes::ElementMapper;
        using DataHandle = VectorExchange<ElementMapper, std::vector<CellData> >;
        DataHandle dataHandle(problem.elementMapper(), this->cellDataGlobal());
        problem.gridView().template communicate<DataHandle>(dataHandle,
                                                            Dune::InteriorBorder_All_Interface,
                                                            Dune::ForwardCommunication);
#endif
    }
 
};
}
#endif