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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-FileCopyrightText: 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 Global flux variable cache | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_CVFE_ELEMENT_FLUXVARSCACHE_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_CVFE_ELEMENT_FLUXVARSCACHE_HH | ||
| 14 | |||
| 15 | #include <cstddef> | ||
| 16 | #include <vector> | ||
| 17 | #include <utility> | ||
| 18 | |||
| 19 | namespace Dumux { | ||
| 20 | |||
| 21 | /*! | ||
| 22 | * \ingroup CVFEDiscretization | ||
| 23 | * \brief The flux variables caches for an element | ||
| 24 | * \note The class is specialized for a version with and without caching | ||
| 25 | * If grid caching is enabled the flux caches are stored for the whole gridview in the corresponding | ||
| 26 | * GridFluxVariablesCache which is memory intensive but faster. For caching disabled the | ||
| 27 | * flux caches are locally computed for each element whenever needed. | ||
| 28 | */ | ||
| 29 | template<class GFVC, bool cachingEnabled> | ||
| 30 | class CVFEElementFluxVariablesCache | ||
| 31 | {}; | ||
| 32 | |||
| 33 | /*! | ||
| 34 | * \ingroup CVFEDiscretization | ||
| 35 | * \brief The flux variables caches for an element with caching enabled | ||
| 36 | */ | ||
| 37 | template<class GFVC> | ||
| 38 | class CVFEElementFluxVariablesCache<GFVC, true> | ||
| 39 | { | ||
| 40 | public: | ||
| 41 | //! export the type of the grid flux variables cache | ||
| 42 | using GridFluxVariablesCache = GFVC; | ||
| 43 | |||
| 44 | //! export the type of the flux variables cache | ||
| 45 | using FluxVariablesCache = typename GFVC::FluxVariablesCache; | ||
| 46 | |||
| 47 |
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3244270 | CVFEElementFluxVariablesCache(const GridFluxVariablesCache& global) |
| 48 | : gridFluxVarsCachePtr_(&global) {} | ||
| 49 | |||
| 50 | // Function is called by the BoxLocalJacobian prior to flux calculations on the element. | ||
| 51 | // We assume the FVGeometries to be bound at this point | ||
| 52 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 53 | 6234446 | void bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 54 | const FVElementGeometry& fvGeometry, | ||
| 55 | const ElementVolumeVariables& elemVolVars) & | ||
| 56 | 6234446 | { bindElement(element, fvGeometry, elemVolVars); } | |
| 57 | |||
| 58 | /*! | ||
| 59 | * \brief bind the local view (r-value overload) | ||
| 60 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 61 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 62 | */ | ||
| 63 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 64 | 303520 | CVFEElementFluxVariablesCache bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 65 | const FVElementGeometry& fvGeometry, | ||
| 66 | const ElementVolumeVariables& elemVolVars) && | ||
| 67 | { | ||
| 68 | 303520 | this->bind(element, fvGeometry, elemVolVars); | |
| 69 | return std::move(*this); | ||
| 70 | } | ||
| 71 | |||
| 72 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 73 |
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6234446 | void bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, |
| 74 | const FVElementGeometry& fvGeometry, | ||
| 75 | const ElementVolumeVariables& elemVolVars) & | ||
| 76 |
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6234446 | { eIdx_ = fvGeometry.gridGeometry().elementMapper().index(element); } |
| 77 | |||
| 78 | /*! | ||
| 79 | * \brief bind the local view (r-value overload) | ||
| 80 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 81 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 82 | */ | ||
| 83 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 84 | CVFEElementFluxVariablesCache bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 85 | const FVElementGeometry& fvGeometry, | ||
| 86 | const ElementVolumeVariables& elemVolVars) && | ||
| 87 | { | ||
| 88 | this->bindElement(element, fvGeometry, elemVolVars); | ||
| 89 | return std::move(*this); | ||
| 90 | } | ||
| 91 | |||
| 92 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 93 | void bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 94 | const FVElementGeometry& fvGeometry, | ||
| 95 | const ElementVolumeVariables& elemVolVars, | ||
| 96 | const typename FVElementGeometry::SubControlVolumeFace& scvf) & | ||
| 97 | { bindElement(element, fvGeometry, elemVolVars); } | ||
| 98 | |||
| 99 | /*! | ||
| 100 | * \brief bind the local view (r-value overload) | ||
| 101 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 102 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 103 | */ | ||
| 104 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 105 | CVFEElementFluxVariablesCache bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 106 | const FVElementGeometry& fvGeometry, | ||
| 107 | const ElementVolumeVariables& elemVolVars, | ||
| 108 | const typename FVElementGeometry::SubControlVolumeFace& scvf) && | ||
| 109 | { | ||
| 110 | this->bindScvf(element, fvGeometry, elemVolVars, scvf); | ||
| 111 | return std::move(*this); | ||
| 112 | } | ||
| 113 | |||
| 114 | //! Specialization for the global caching being enabled - do nothing here | ||
| 115 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 116 | void update(const typename FVElementGeometry::Element& element, | ||
| 117 | const FVElementGeometry& fvGeometry, | ||
| 118 | const ElementVolumeVariables& elemVolVars) {} | ||
| 119 | |||
| 120 | // access operator | ||
| 121 | template<class SubControlVolumeFace> | ||
| 122 | 343582726 | const FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) const | |
| 123 | 340452374 | { return gridFluxVarsCache().cache(eIdx_, scvf.index()); } | |
| 124 | |||
| 125 | //! The global object we are a restriction of | ||
| 126 | 343569808 | const GridFluxVariablesCache& gridFluxVarsCache() const | |
| 127 |
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343569808 | { return *gridFluxVarsCachePtr_; } |
| 128 | |||
| 129 | private: | ||
| 130 | const GridFluxVariablesCache* gridFluxVarsCachePtr_; | ||
| 131 | std::size_t eIdx_; //!< currently bound element | ||
| 132 | }; | ||
| 133 | |||
| 134 | /*! | ||
| 135 | * \ingroup CVFEDiscretization | ||
| 136 | * \brief The flux variables caches for an element with caching disabled | ||
| 137 | */ | ||
| 138 | template<class GFVC> | ||
| 139 |
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24768998 | class CVFEElementFluxVariablesCache<GFVC, false> |
| 140 | { | ||
| 141 | public: | ||
| 142 | //! export the type of the grid flux variables cache | ||
| 143 | using GridFluxVariablesCache = GFVC; | ||
| 144 | |||
| 145 | //! export the type of the flux variables cache | ||
| 146 | using FluxVariablesCache = typename GFVC::FluxVariablesCache; | ||
| 147 | |||
| 148 | 11118244 | CVFEElementFluxVariablesCache(const GridFluxVariablesCache& global) | |
| 149 |
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11118244 | : gridFluxVarsCachePtr_(&global) {} |
| 150 | |||
| 151 | // Function is called by the BoxLocalJacobian prior to flux calculations on the element. | ||
| 152 | // We assume the FVGeometries to be bound at this point | ||
| 153 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 154 | 10404332 | void bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 155 | const FVElementGeometry& fvGeometry, | ||
| 156 | const ElementVolumeVariables& elemVolVars) & | ||
| 157 | { | ||
| 158 |
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10225190 | bindElement(element, fvGeometry, elemVolVars); |
| 159 | 290248 | } | |
| 160 | |||
| 161 | /*! | ||
| 162 | * \brief bind the local view (r-value overload) | ||
| 163 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 164 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 165 | */ | ||
| 166 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 167 |
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179142 | CVFEElementFluxVariablesCache bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, |
| 168 | const FVElementGeometry& fvGeometry, | ||
| 169 | const ElementVolumeVariables& elemVolVars) && | ||
| 170 | { | ||
| 171 | 179142 | this->bind(element, fvGeometry, elemVolVars); | |
| 172 | 179142 | return std::move(*this); | |
| 173 | } | ||
| 174 | |||
| 175 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 176 | 16223204 | void bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 177 | const FVElementGeometry& fvGeometry, | ||
| 178 | const ElementVolumeVariables& elemVolVars) & | ||
| 179 | { | ||
| 180 | // temporary resizing of the cache | ||
| 181 | 16223204 | fluxVarsCache_.resize(fvGeometry.numScvf()); | |
| 182 |
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61627964 | for (auto&& scvf : scvfs(fvGeometry)) |
| 183 | 45404760 | (*this)[scvf].update(gridFluxVarsCache().problem(), element, fvGeometry, elemVolVars, scvf); | |
| 184 | 16223204 | } | |
| 185 | |||
| 186 | /*! | ||
| 187 | * \brief bind the local view (r-value overload) | ||
| 188 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 189 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 190 | */ | ||
| 191 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 192 | 318007 | CVFEElementFluxVariablesCache bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 193 | const FVElementGeometry& fvGeometry, | ||
| 194 | const ElementVolumeVariables& elemVolVars) && | ||
| 195 | { | ||
| 196 |
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318007 | this->bindElement(element, fvGeometry, elemVolVars); |
| 197 |
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318007 | return std::move(*this); |
| 198 | } | ||
| 199 | |||
| 200 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 201 | void bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 202 | const FVElementGeometry& fvGeometry, | ||
| 203 | const ElementVolumeVariables& elemVolVars, | ||
| 204 | const typename FVElementGeometry::SubControlVolumeFace& scvf) & | ||
| 205 | { | ||
| 206 | fluxVarsCache_.resize(fvGeometry.numScvf()); | ||
| 207 | (*this)[scvf].update(gridFluxVarsCache().problem(), element, fvGeometry, elemVolVars, scvf); | ||
| 208 | } | ||
| 209 | |||
| 210 | /*! | ||
| 211 | * \brief bind the local view (r-value overload) | ||
| 212 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 213 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 214 | */ | ||
| 215 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 216 | CVFEElementFluxVariablesCache bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 217 | const FVElementGeometry& fvGeometry, | ||
| 218 | const ElementVolumeVariables& elemVolVars, | ||
| 219 | const typename FVElementGeometry::SubControlVolumeFace& scvf) && | ||
| 220 | { | ||
| 221 | this->bindScvf(element, fvGeometry, elemVolVars, scvf); | ||
| 222 | return std::move(*this); | ||
| 223 | } | ||
| 224 | |||
| 225 | /*! | ||
| 226 | * \brief Update the caches if the volume variables have changed and the cache is solution-dependent | ||
| 227 | * \note Results in undefined behaviour if called before bind() or with a different element | ||
| 228 | */ | ||
| 229 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 230 | 4664882 | void update(const typename FVElementGeometry::Element& element, | |
| 231 | const FVElementGeometry& fvGeometry, | ||
| 232 | const ElementVolumeVariables& elemVolVars) | ||
| 233 | { | ||
| 234 | if constexpr (FluxVariablesCache::isSolDependent) | ||
| 235 | { | ||
| 236 | 4664882 | fluxVarsCache_.resize(fvGeometry.numScvf()); | |
| 237 |
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9329764 | for (const auto& scvf : scvfs(fvGeometry)) |
| 238 | 4664882 | (*this)[scvf].update(gridFluxVarsCache().problem(), element, fvGeometry, elemVolVars, scvf); | |
| 239 | } | ||
| 240 | 4664882 | } | |
| 241 | |||
| 242 | // access operator | ||
| 243 | template<class SubControlVolumeFace> | ||
| 244 | 1066593126 | const FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) const | |
| 245 |
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1034644453 | { return fluxVarsCache_[scvf.index()]; } |
| 246 | |||
| 247 | // access operator | ||
| 248 | template<class SubControlVolumeFace> | ||
| 249 | 74518112 | FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) | |
| 250 |
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74518112 | { return fluxVarsCache_[scvf.index()]; } |
| 251 | |||
| 252 | //! The global object we are a restriction of | ||
| 253 | 40125368 | const GridFluxVariablesCache& gridFluxVarsCache() const | |
| 254 | 40125368 | { return *gridFluxVarsCachePtr_; } | |
| 255 | |||
| 256 | private: | ||
| 257 | const GridFluxVariablesCache* gridFluxVarsCachePtr_; | ||
| 258 | std::vector<FluxVariablesCache> fluxVarsCache_; | ||
| 259 | }; | ||
| 260 | |||
| 261 | } // end namespace Dumux | ||
| 262 | |||
| 263 | #endif | ||
| 264 |