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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup CVFEDiscretization | ||
| 10 | * \brief The local element solution class for control-volume finite element methods | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_CVFE_ELEMENT_SOLUTION_HH | ||
| 13 | #define DUMUX_CVFE_ELEMENT_SOLUTION_HH | ||
| 14 | |||
| 15 | #include <type_traits> | ||
| 16 | #include <dune/common/reservedvector.hh> | ||
| 17 | #include <dumux/discretization/method.hh> | ||
| 18 | #include <dumux/discretization/localdoftraits.hh> | ||
| 19 | |||
| 20 | namespace Dumux { | ||
| 21 | |||
| 22 | /*! | ||
| 23 | * \ingroup CVFEDiscretization | ||
| 24 | * \brief The element solution vector | ||
| 25 | */ | ||
| 26 | template<class FVElementGeometry, class PV> | ||
| 27 | class CVFEElementSolution | ||
| 28 | { | ||
| 29 | using GridGeometry = typename FVElementGeometry::GridGeometry; | ||
| 30 | using GridView = typename GridGeometry::GridView; | ||
| 31 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 32 | |||
| 33 | static constexpr int dim = GridView::dimension; | ||
| 34 | |||
| 35 | // Dofs are located at corners and in the element center | ||
| 36 | static constexpr int numCubeDofs = Detail::LocalDofTraits< | ||
| 37 | GridView, typename GridGeometry::DiscretizationMethod | ||
| 38 | >::numCubeElementDofs; | ||
| 39 | |||
| 40 | public: | ||
| 41 | //! export the primary variables type | ||
| 42 | using PrimaryVariables = PV; | ||
| 43 | |||
| 44 | //! Default constructor | ||
| 45 | 18 | CVFEElementSolution() = default; | |
| 46 | |||
| 47 | //! Constructor with element and solution and grid geometry | ||
| 48 | template<class SolutionVector> | ||
| 49 | 16894654 | CVFEElementSolution(const Element& element, const SolutionVector& sol, | |
| 50 | const GridGeometry& gridGeometry) | ||
| 51 | 156073844 | { | |
| 52 |
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86944349 | update(element, sol, gridGeometry); |
| 53 | 16894654 | } | |
| 54 | |||
| 55 | //! Constructor with element and elemVolVars and fvGeometry | ||
| 56 | template<class ElementVolumeVariables> | ||
| 57 | 4096074 | CVFEElementSolution(const Element& element, const ElementVolumeVariables& elemVolVars, | |
| 58 | const FVElementGeometry& fvGeometry) | ||
| 59 | 16988760 | { | |
| 60 |
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14914971 | priVars_.resize(fvGeometry.numScv()); |
| 61 |
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36243294 | for (const auto& scv : scvs(fvGeometry)) |
| 62 | 28160550 | priVars_[scv.localDofIndex()] = elemVolVars[scv].priVars(); | |
| 63 | 4096074 | } | |
| 64 | |||
| 65 | //! extract the element solution from the solution vector using a mapper | ||
| 66 | template<class SolutionVector> | ||
| 67 | 130794255 | void update(const Element& element, const SolutionVector& sol, | |
| 68 | const GridGeometry& gridGeometry) | ||
| 69 | { | ||
| 70 | // TODO: this implementation only works if there is only one dof per codim/entity | ||
| 71 | // As local-global mappings are provided by the grid geometry | ||
| 72 | // this logic should maybe become part of the grid geometry. | ||
| 73 | 317124398 | const auto& localCoeff = gridGeometry.feCache().get(element.type()).localCoefficients(); | |
| 74 | 130794255 | priVars_.resize(localCoeff.size()); | |
| 75 |
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937577791 | for (int localDofIdx = 0; localDofIdx < localCoeff.size(); ++localDofIdx) |
| 76 | { | ||
| 77 | 465917941 | const auto& localKey = localCoeff.localKey(localDofIdx); | |
| 78 | 931835882 | priVars_[localDofIdx] = sol[ | |
| 79 | 931835882 | gridGeometry.dofMapper().subIndex( | |
| 80 | element, localKey.subEntity(), localKey.codim() | ||
| 81 | ) | ||
| 82 | ]; | ||
| 83 | } | ||
| 84 | 130794255 | } | |
| 85 | |||
| 86 | //! extract the element solution from the solution vector using a local fv geometry | ||
| 87 | template<class SolutionVector> | ||
| 88 | void update(const Element& element, const SolutionVector& sol, | ||
| 89 | const FVElementGeometry& fvGeometry) | ||
| 90 | { | ||
| 91 | priVars_.resize(fvGeometry.numScv()); | ||
| 92 | for (const auto& scv : scvs(fvGeometry)) | ||
| 93 | priVars_[scv.localDofIndex()] = sol[scv.dofIndex()]; | ||
| 94 | } | ||
| 95 | |||
| 96 | //! return the size of the element solution | ||
| 97 | std::size_t size() const | ||
| 98 | ✗ | { return priVars_.size(); } | |
| 99 | |||
| 100 | //! bracket operator const access | ||
| 101 | template<typename IndexType> | ||
| 102 | const PrimaryVariables& operator [](IndexType i) const | ||
| 103 |
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1797515260 | { return priVars_[i]; } |
| 104 | |||
| 105 | //! bracket operator access | ||
| 106 | template<typename IndexType> | ||
| 107 | PrimaryVariables& operator [](IndexType i) | ||
| 108 |
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608171424 | { return priVars_[i]; } |
| 109 | |||
| 110 | private: | ||
| 111 | Dune::ReservedVector<PrimaryVariables, numCubeDofs> priVars_; | ||
| 112 | }; | ||
| 113 | |||
| 114 | //! Make an element solution for control-volume finite element schemes | ||
| 115 | template<class Element, class SolutionVector, class GridGeometry> | ||
| 116 | auto elementSolution(const Element& element, const SolutionVector& sol, const GridGeometry& gg) | ||
| 117 | -> std::enable_if_t<DiscretizationMethods::isCVFE<typename GridGeometry::DiscretizationMethod>, | ||
| 118 | CVFEElementSolution<typename GridGeometry::LocalView, | ||
| 119 | std::decay_t<decltype(std::declval<SolutionVector>()[0])>> | ||
| 120 | > | ||
| 121 | { | ||
| 122 | using PrimaryVariables = std::decay_t<decltype(std::declval<SolutionVector>()[0])>; | ||
| 123 |
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126990742 | return CVFEElementSolution<typename GridGeometry::LocalView, PrimaryVariables>(element, sol, gg); |
| 124 | } | ||
| 125 | |||
| 126 | //! Make an element solution for control-volume finite element schemes | ||
| 127 | template<class Element, class ElementVolumeVariables, class FVElementGeometry> | ||
| 128 | ✗ | auto elementSolution(const Element& element, const ElementVolumeVariables& elemVolVars, const FVElementGeometry& gg) | |
| 129 | -> std::enable_if_t<DiscretizationMethods::isCVFE<typename FVElementGeometry::GridGeometry::DiscretizationMethod>, | ||
| 130 | CVFEElementSolution<FVElementGeometry, | ||
| 131 | typename ElementVolumeVariables::VolumeVariables::PrimaryVariables>> | ||
| 132 | { | ||
| 133 | using PrimaryVariables = typename ElementVolumeVariables::VolumeVariables::PrimaryVariables; | ||
| 134 |
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14417253 | return CVFEElementSolution<FVElementGeometry, PrimaryVariables>(element, elemVolVars, gg); |
| 135 | } | ||
| 136 | |||
| 137 | } // end namespace Dumux | ||
| 138 | |||
| 139 | #endif | ||
| 140 |