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/* This file is part of the OpenLB library
*
* Copyright (C) 2019 Adrian Kummerländer
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* 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 2
* 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, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef REFINEMENT_GRID_2D_H
#define REFINEMENT_GRID_2D_H
#include <memory>
#include <vector>
#include "core/unitConverter.h"
#include "core/superLattice2D.h"
#include "geometry/superGeometry2D.h"
#include "geometry/cuboidGeometry2D.h"
#include "geometry/superGeometry2D.h"
#include "communication/loadBalancer.h"
#include "functors/analytical/indicator/indicatorF2D.h"
#include "utilities/functorPtr.h"
namespace olb {
template <typename T, template<typename> class DESCRIPTOR> class FineCoupler2D;
template <typename T, template<typename> class DESCRIPTOR> class CoarseCoupler2D;
template <typename T, template<typename> class DESCRIPTOR> class RefiningGrid2D;
template <typename T, template<typename> class DESCRIPTOR>
class Grid2D {
protected:
FunctorPtr<IndicatorF2D<T>> _domainF;
std::unique_ptr<UnitConverter<T,DESCRIPTOR>> _converter;
std::unique_ptr<CuboidGeometry2D<T>> _cuboids;
std::unique_ptr<LoadBalancer<T>> _balancer;
std::unique_ptr<SuperGeometry2D<T>> _geometry;
std::unique_ptr<SuperLattice2D<T,DESCRIPTOR>> _lattice;
std::vector<std::unique_ptr<RefiningGrid2D<T,DESCRIPTOR>>> _fineGrids;
std::vector<std::unique_ptr<FineCoupler2D<T,DESCRIPTOR>>> _fineCouplers;
std::vector<std::unique_ptr<CoarseCoupler2D<T,DESCRIPTOR>>> _coarseCouplers;
public:
Grid2D(FunctorPtr<IndicatorF2D<T>>&& domainF, int resolution, T tau, int re);
UnitConverter<T,DESCRIPTOR>& getConverter();
CuboidGeometry2D<T>& getCuboidGeometry();
LoadBalancer<T>& getLoadBalancer();
SuperGeometry2D<T>& getSuperGeometry();
SuperLattice2D<T,DESCRIPTOR>& getSuperLattice();
void collideAndStream();
FineCoupler2D<T,DESCRIPTOR>& addFineCoupling(
Grid2D<T,DESCRIPTOR>& fineGrid, Vector<T,2> origin, Vector<T,2> extend);
CoarseCoupler2D<T,DESCRIPTOR>& addCoarseCoupling(
Grid2D<T,DESCRIPTOR>& fineGrid, Vector<T,2> origin, Vector<T,2> extend);
Vector<T,2> alignOriginToGrid(Vector<T,2> physR) const;
Vector<T,2> alignExtendToGrid(Vector<T,2> physR) const;
RefiningGrid2D<T,DESCRIPTOR>& refine(Vector<T,2> origin, Vector<T,2> extend, bool addCouplers=true);
};
template <typename T, template<typename> class DESCRIPTOR>
class RefiningGrid2D : public Grid2D<T,DESCRIPTOR> {
private:
const Vector<T,2> _origin;
const Vector<T,2> _extend;
Grid2D<T,DESCRIPTOR>& _parentGrid;
public:
RefiningGrid2D(Grid2D<T,DESCRIPTOR>& parentGrid, Vector<T,2> origin, Vector<T,2> extend);
Vector<T,2> getOrigin() const;
Vector<T,2> getExtend() const;
/// Indicates the subdomain of the coarse grid rendered moot by refinement
std::unique_ptr<IndicatorF2D<T>> getRefinedOverlap() const;
};
}
#endif
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