diff options
Move refinement to contrib
Diffstat (limited to 'src/contrib/refinement/grid2D.h')
-rw-r--r-- | src/contrib/refinement/grid2D.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/contrib/refinement/grid2D.h b/src/contrib/refinement/grid2D.h new file mode 100644 index 0000000..51d19ce --- /dev/null +++ b/src/contrib/refinement/grid2D.h @@ -0,0 +1,169 @@ +/* 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 <string> +#include <functional> + +#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" +#include "utilities/namedType.h" + +namespace olb { + + +template <typename T, typename DESCRIPTOR> class FineCoupler2D; +template <typename T, typename DESCRIPTOR> class CoarseCoupler2D; +template <typename T, typename DESCRIPTOR> class RefiningGrid2D; + +template <typename T, typename DESCRIPTOR> class sOnLatticeBoundaryCondition2D; +template <typename T, typename DESCRIPTOR> class sOffLatticeBoundaryCondition2D; + +template <typename T> +using RelaxationTime = utilities::NamedType<T,struct NamedRelaxationTime>; + +template <typename T> +using LatticeVelocity = utilities::NamedType<T,struct NamedLatticeVelocity>; + +template <typename T> +struct Characteristics { + Characteristics(T l, T u, T nu, T rho): + length(l), + velocity(u), + viscosity(nu), + density(rho) { } + + Characteristics(int Re): + Characteristics(1.0, 1.0, 1.0/Re, 1.0) { } + + const T length; + const T velocity; + const T viscosity; + const T density; +}; + + +template <typename T, typename DESCRIPTOR> +class Grid2D { +protected: + FunctorPtr<IndicatorF2D<T>> _domainF; + const Characteristics<T> _characteristics; + + 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<Dynamics<T,DESCRIPTOR>>> _dynamics; + std::vector<std::unique_ptr<sOnLatticeBoundaryCondition2D<T,DESCRIPTOR>>> _onLatticeBoundaryConditions; + std::vector<std::unique_ptr<sOffLatticeBoundaryCondition2D<T,DESCRIPTOR>>> _offLatticeBoundaryConditions; + + 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, + RelaxationTime<T> tau, + int resolution, + Characteristics<T> characteristics); + Grid2D(FunctorPtr<IndicatorF2D<T>>&& domainF, + LatticeVelocity<T> latticeVelocity, + int resolution, + Characteristics<T> characteristics); + + Grid2D(FunctorPtr<IndicatorF2D<T>>&& domainF, RelaxationTime<T> tau, int resolution, int re); + Grid2D(FunctorPtr<IndicatorF2D<T>>&& domainF, LatticeVelocity<T> uMax, int resolution, int re); + + Characteristics<T> getCharacteristics() const; + + UnitConverter<T,DESCRIPTOR>& getConverter(); + CuboidGeometry2D<T>& getCuboidGeometry(); + LoadBalancer<T>& getLoadBalancer(); + SuperGeometry2D<T>& getSuperGeometry(); + SuperLattice2D<T,DESCRIPTOR>& getSuperLattice(); + + Dynamics<T,DESCRIPTOR>& addDynamics(std::unique_ptr<Dynamics<T,DESCRIPTOR>>&& dynamics); + sOnLatticeBoundaryCondition2D<T,DESCRIPTOR>& getOnLatticeBoundaryCondition(); + sOffLatticeBoundaryCondition2D<T,DESCRIPTOR>& getOffLatticeBoundaryCondition(); + + 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); + + void forEachGrid(std::function<void(Grid2D<T,DESCRIPTOR>&)>&& f); + void forEachGrid(const std::string& id, std::function<void(Grid2D<T,DESCRIPTOR>&,const std::string&)>&& f); + + /// Returns the finest grid representing a physical position + /** + * Only works if pos is actually contained in a node of the refinement tree. + **/ + Grid2D<T,DESCRIPTOR>& locate(Vector<T,2> pos); + + std::size_t getActiveVoxelN() const; + +}; + +template <typename T, typename 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 |