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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 StaggeredDiscretization | ||
| 10 | * \copydoc Dumux::StaggeredElementFluxVariablesCache | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_STAGGERED_ELEMENT_FLUXVARSCACHE_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_STAGGERED_ELEMENT_FLUXVARSCACHE_HH | ||
| 14 | |||
| 15 | #include <algorithm> | ||
| 16 | #include <cassert> | ||
| 17 | #include <iterator> | ||
| 18 | #include <vector> | ||
| 19 | #include <utility> | ||
| 20 | |||
| 21 | #include <dune/common/exceptions.hh> | ||
| 22 | |||
| 23 | namespace Dumux { | ||
| 24 | |||
| 25 | /*! | ||
| 26 | * \ingroup StaggeredDiscretization | ||
| 27 | * \brief Base class for the stencil local flux variables cache for the staggered model | ||
| 28 | */ | ||
| 29 | template<class GridFluxVariablesCache, bool cachingEnabled> | ||
| 30 | class StaggeredElementFluxVariablesCache; | ||
| 31 | |||
| 32 | /*! | ||
| 33 | * \ingroup StaggeredDiscretization | ||
| 34 | * \brief Class for the stencil local flux variables cache for the staggered model. | ||
| 35 | Specialization for the case of storing the fluxvars cache globally. | ||
| 36 | */ | ||
| 37 | template<class GFVC> | ||
| 38 | class StaggeredElementFluxVariablesCache<GFVC, true> | ||
| 39 | { | ||
| 40 | //! the type of the flux variables cache filler | ||
| 41 | using FluxVariablesCacheFiller = typename GFVC::Traits::FluxVariablesCacheFiller; | ||
| 42 | |||
| 43 | public: | ||
| 44 | //! export the type of the grid flux variables cache | ||
| 45 | using GridFluxVariablesCache = GFVC; | ||
| 46 | |||
| 47 | //! export the type of the flux variables cache | ||
| 48 | using FluxVariablesCache = typename GFVC::FluxVariablesCache; | ||
| 49 | |||
| 50 | |||
| 51 |
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3192240 | StaggeredElementFluxVariablesCache(const GridFluxVariablesCache& global) |
| 52 | : gridFluxVarsCachePtr_(&global) {} | ||
| 53 | |||
| 54 | /*! | ||
| 55 | * \brief bind the local view (r-value overload) | ||
| 56 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 57 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 58 | */ | ||
| 59 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 60 | StaggeredElementFluxVariablesCache bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 61 | const FVElementGeometry& fvGeometry, | ||
| 62 | const ElementVolumeVariables& elemVolVars) && | ||
| 63 | { | ||
| 64 | this->bindElement(element, fvGeometry, elemVolVars); | ||
| 65 | return std::move(*this); | ||
| 66 | } | ||
| 67 | |||
| 68 | //! Specialization for the global caching being enabled - do nothing here | ||
| 69 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 70 | void bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 71 | const FVElementGeometry& fvGeometry, | ||
| 72 | const ElementVolumeVariables& elemVolVars) & {} | ||
| 73 | |||
| 74 | /*! | ||
| 75 | * \brief bind the local view (r-value overload) | ||
| 76 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 77 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 78 | */ | ||
| 79 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 80 | StaggeredElementFluxVariablesCache bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 81 | const FVElementGeometry& fvGeometry, | ||
| 82 | const ElementVolumeVariables& elemVolVars) && | ||
| 83 | { | ||
| 84 | this->bind(element, fvGeometry, elemVolVars); | ||
| 85 | return std::move(*this); | ||
| 86 | } | ||
| 87 | |||
| 88 | //! Specialization for the global caching being enabled - do nothing here | ||
| 89 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 90 | void bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 91 | const FVElementGeometry& fvGeometry, | ||
| 92 | const ElementVolumeVariables& elemVolVars) & {} | ||
| 93 | |||
| 94 | /*! | ||
| 95 | * \brief bind the local view (r-value overload) | ||
| 96 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 97 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 98 | */ | ||
| 99 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 100 | StaggeredElementFluxVariablesCache bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 101 | const FVElementGeometry& fvGeometry, | ||
| 102 | const ElementVolumeVariables& elemVolVars, | ||
| 103 | const typename FVElementGeometry::SubControlVolumeFace& scvf) && | ||
| 104 | { | ||
| 105 | this->bindScvf(element, fvGeometry, elemVolVars, scvf); | ||
| 106 | return std::move(*this); | ||
| 107 | } | ||
| 108 | |||
| 109 | //! Specialization for the global caching being enabled - do nothing here | ||
| 110 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 111 | void bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 112 | const FVElementGeometry& fvGeometry, | ||
| 113 | const ElementVolumeVariables& elemVolVars, | ||
| 114 | const typename FVElementGeometry::SubControlVolumeFace& scvf) & {} | ||
| 115 | |||
| 116 | //! Specialization for the global caching being enabled - do nothing here | ||
| 117 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 118 | void update(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 119 | const FVElementGeometry& fvGeometry, | ||
| 120 | const ElementVolumeVariables& elemVolVars) | ||
| 121 | { | ||
| 122 | DUNE_THROW(Dune::InvalidStateException, "In case of enabled caching, the grid flux variables cache must not to be updated"); | ||
| 123 | } | ||
| 124 | |||
| 125 | //! operators in the case of caching | ||
| 126 | template<class SubControlVolumeFace> | ||
| 127 | 148094344 | const FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) const | |
| 128 | 166059724 | { return (*gridFluxVarsCachePtr_)[scvf.index()]; } | |
| 129 | |||
| 130 | //! The global object we are a restriction of | ||
| 131 | 145578344 | const GridFluxVariablesCache& gridFluxVarsCache() const | |
| 132 | 145578344 | { return *gridFluxVarsCachePtr_; } | |
| 133 | |||
| 134 | private: | ||
| 135 | const GridFluxVariablesCache* gridFluxVarsCachePtr_; | ||
| 136 | }; | ||
| 137 | |||
| 138 | /*! | ||
| 139 | * \ingroup StaggeredDiscretization | ||
| 140 | * \brief Class for the stencil local flux variables cache for the staggered model. | ||
| 141 | Specialization for the case of not storing the fluxvars cache globally. | ||
| 142 | */ | ||
| 143 | template<class GFVC> | ||
| 144 | 600 | class StaggeredElementFluxVariablesCache<GFVC, false> | |
| 145 | { | ||
| 146 | //! the type of the flux variables cache filler | ||
| 147 | using FluxVariablesCacheFiller = typename GFVC::Traits::FluxVariablesCacheFiller; | ||
| 148 | |||
| 149 | public: | ||
| 150 | //! export the type of the grid flux variables cache | ||
| 151 | using GridFluxVariablesCache = GFVC; | ||
| 152 | |||
| 153 | //! export the type of the flux variables cache | ||
| 154 | using FluxVariablesCache = typename GFVC::FluxVariablesCache; | ||
| 155 | |||
| 156 | 600 | StaggeredElementFluxVariablesCache(const GridFluxVariablesCache& global) | |
| 157 |
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|
600 | : gridFluxVarsCachePtr_(&global) {} |
| 158 | |||
| 159 | /*! | ||
| 160 | * \brief bind the local view (r-value overload) | ||
| 161 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 162 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 163 | */ | ||
| 164 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 165 | StaggeredElementFluxVariablesCache bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 166 | const FVElementGeometry& fvGeometry, | ||
| 167 | const ElementVolumeVariables& elemVolVars) && | ||
| 168 | { | ||
| 169 | this->bindElement_(element, fvGeometry, elemVolVars); | ||
| 170 | return std::move(*this); | ||
| 171 | } | ||
| 172 | |||
| 173 | //! Specialization for the global caching being enabled - do nothing here | ||
| 174 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 175 | void bindElement(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 176 | const FVElementGeometry& fvGeometry, | ||
| 177 | const ElementVolumeVariables& elemVolVars) & | ||
| 178 | { this->bindElement_(element, fvGeometry, elemVolVars); } | ||
| 179 | |||
| 180 | /*! | ||
| 181 | * \brief bind the local view (r-value overload) | ||
| 182 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 183 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 184 | */ | ||
| 185 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 186 | 600 | StaggeredElementFluxVariablesCache bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 187 | const FVElementGeometry& fvGeometry, | ||
| 188 | const ElementVolumeVariables& elemVolVars) && | ||
| 189 | { | ||
| 190 |
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|
600 | this->bind_(element, fvGeometry, elemVolVars); |
| 191 | 600 | return std::move(*this); | |
| 192 | } | ||
| 193 | |||
| 194 | //! Specialization for the global caching being enabled - do nothing here | ||
| 195 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 196 | void bind(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 197 | const FVElementGeometry& fvGeometry, | ||
| 198 | const ElementVolumeVariables& elemVolVars) & | ||
| 199 | { this->bind_(element, fvGeometry, elemVolVars); } | ||
| 200 | |||
| 201 | /*! | ||
| 202 | * \brief bind the local view (r-value overload) | ||
| 203 | * This overload is called when an instance of this class is a temporary in the usage context | ||
| 204 | * This allows a usage like this: `const auto view = localView(...).bind(element);` | ||
| 205 | */ | ||
| 206 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 207 | StaggeredElementFluxVariablesCache bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 208 | const FVElementGeometry& fvGeometry, | ||
| 209 | const ElementVolumeVariables& elemVolVars, | ||
| 210 | const typename FVElementGeometry::SubControlVolumeFace& scvf) && | ||
| 211 | { | ||
| 212 | this->bindScvf_(element, fvGeometry, elemVolVars, scvf); | ||
| 213 | return std::move(*this); | ||
| 214 | } | ||
| 215 | |||
| 216 | //! Specialization for the global caching being enabled - do nothing here | ||
| 217 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 218 | void bindScvf(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 219 | const FVElementGeometry& fvGeometry, | ||
| 220 | const ElementVolumeVariables& elemVolVars, | ||
| 221 | const typename FVElementGeometry::SubControlVolumeFace& scvf) & | ||
| 222 | { this->bindScvf_(element, fvGeometry, elemVolVars, scvf); } | ||
| 223 | |||
| 224 | /*! | ||
| 225 | * \brief Update the transmissibilities if the volume variables have changed | ||
| 226 | * \note Results in undefined behaviour if called before bind() or with a different element | ||
| 227 | */ | ||
| 228 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 229 | void update(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 230 | const FVElementGeometry& fvGeometry, | ||
| 231 | const ElementVolumeVariables& elemVolVars) | ||
| 232 | { | ||
| 233 | // if (FluxVariablesCacheFiller::isSolDependent) TODO | ||
| 234 | // { | ||
| 235 | // const auto& problem = gridFluxVarsCache().problem(); | ||
| 236 | // const auto globalI = fvGeometry.gridGeometry().elementMapper().index(element); | ||
| 237 | // | ||
| 238 | // // instantiate filler class | ||
| 239 | // FluxVariablesCacheFiller filler(problem); | ||
| 240 | // | ||
| 241 | // // let the filler class update the caches | ||
| 242 | // for (unsigned int localScvfIdx = 0; localScvfIdx < fluxVarsCache_.size(); ++localScvfIdx) | ||
| 243 | // { | ||
| 244 | // const auto& scvf = fvGeometry.scvf(globalScvfIndices_[localScvfIdx]); | ||
| 245 | // | ||
| 246 | // const auto scvfInsideScvIdx = scvf.insideScvIdx(); | ||
| 247 | // const auto& insideElement = scvfInsideScvIdx == globalI ? | ||
| 248 | // element : | ||
| 249 | // fvGeometry.gridGeometry().element(scvfInsideScvIdx); | ||
| 250 | // | ||
| 251 | // filler.fill(*this, fluxVarsCache_[localScvfIdx], insideElement, fvGeometry, elemVolVars, scvf); | ||
| 252 | // } | ||
| 253 | // } | ||
| 254 | } | ||
| 255 | |||
| 256 | //! access operators in the case of no caching | ||
| 257 | template<class SubControlVolumeFace> | ||
| 258 | const FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) const | ||
| 259 | { return fluxVarsCache_[getLocalScvfIdx_(scvf.index())]; } | ||
| 260 | |||
| 261 | template<class SubControlVolumeFace> | ||
| 262 | FluxVariablesCache& operator [](const SubControlVolumeFace& scvf) | ||
| 263 | { return fluxVarsCache_[getLocalScvfIdx_(scvf.index())]; } | ||
| 264 | |||
| 265 | //! The global object we are a restriction of | ||
| 266 | const GridFluxVariablesCache& gridFluxVarsCache() const | ||
| 267 | 600 | { return *gridFluxVarsCachePtr_; } | |
| 268 | |||
| 269 | private: | ||
| 270 | |||
| 271 | /*! | ||
| 272 | * \brief Prepares the transmissibilities of the scv faces in an element | ||
| 273 | * \note the fvGeometry is assumed to be bound to the same element | ||
| 274 | * \note this function has to be called prior to flux calculations on the element. | ||
| 275 | */ | ||
| 276 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 277 | void bindElement_(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 278 | const FVElementGeometry& fvGeometry, | ||
| 279 | const ElementVolumeVariables& elemVolVars) | ||
| 280 | { | ||
| 281 | // resizing of the cache | ||
| 282 | const auto numScvf = fvGeometry.numScvf(); | ||
| 283 | fluxVarsCache_.resize(numScvf); | ||
| 284 | globalScvfIndices_.resize(numScvf); | ||
| 285 | |||
| 286 | // instantiate helper class to fill the caches | ||
| 287 | FluxVariablesCacheFiller filler(gridFluxVarsCache().problem()); | ||
| 288 | |||
| 289 | std::size_t localScvfIdx = 0; | ||
| 290 | // fill the containers | ||
| 291 | for (auto&& scvf : scvfs(fvGeometry)) | ||
| 292 | { | ||
| 293 | filler.fill(*this, fluxVarsCache_[localScvfIdx], element, fvGeometry, elemVolVars, scvf, true); | ||
| 294 | globalScvfIndices_[localScvfIdx] = scvf.index(); | ||
| 295 | localScvfIdx++; | ||
| 296 | } | ||
| 297 | } | ||
| 298 | |||
| 299 | /*! | ||
| 300 | * \brief Prepares the transmissibilities of the scv faces in the stencil of an element | ||
| 301 | * \note the fvGeometry is assumed to be bound to the same element | ||
| 302 | * \note this function has to be called prior to flux calculations on the element. | ||
| 303 | */ | ||
| 304 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 305 | 1200 | void bind_(const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 306 | const FVElementGeometry& fvGeometry, | ||
| 307 | const ElementVolumeVariables& elemVolVars) | ||
| 308 | { | ||
| 309 | // instantiate helper class to fill the caches | ||
| 310 | 1200 | FluxVariablesCacheFiller filler(gridFluxVarsCache().problem()); | |
| 311 | |||
| 312 | // find the number of scv faces that need to be prepared | ||
| 313 | 1200 | const auto numScvf = fvGeometry.numScvf(); | |
| 314 | |||
| 315 | // fill the containers with the data on the scv faces inside the actual element | ||
| 316 | 1200 | fluxVarsCache_.resize(numScvf); | |
| 317 | 1200 | globalScvfIndices_.resize(numScvf); | |
| 318 | 1200 | unsigned int localScvfIdx = 0; | |
| 319 |
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6000 | for (auto&& scvf : scvfs(fvGeometry)) |
| 320 | { | ||
| 321 | 4800 | filler.fill(*this, fluxVarsCache_[localScvfIdx], element, fvGeometry, elemVolVars, scvf, true); | |
| 322 | 4800 | globalScvfIndices_[localScvfIdx] = scvf.index(); | |
| 323 | 4800 | localScvfIdx++; | |
| 324 | } | ||
| 325 | 1200 | } | |
| 326 | |||
| 327 | /*! | ||
| 328 | * \brief Prepares the transmissibilities of a single scv face | ||
| 329 | * \note the fvGeometry is assumed to be bound to the same element | ||
| 330 | * \note this function has to be called prior to flux calculations on the element. | ||
| 331 | */ | ||
| 332 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 333 | void bindScvf_ (const typename FVElementGeometry::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 334 | const FVElementGeometry& fvGeometry, | ||
| 335 | const ElementVolumeVariables& elemVolVars, | ||
| 336 | const typename FVElementGeometry::SubControlVolumeFace& scvf) | ||
| 337 | { | ||
| 338 | fluxVarsCache_.resize(1); | ||
| 339 | globalScvfIndices_.resize(1); | ||
| 340 | |||
| 341 | // instantiate helper class to fill the caches | ||
| 342 | // FluxVariablesCacheFiller filler(gridFluxVarsCache().problem()); | ||
| 343 | FluxVariablesCacheFiller filler; // TODO: use proper ctor | ||
| 344 | |||
| 345 | filler.fill(*this, fluxVarsCache_[0], element, fvGeometry, elemVolVars, scvf, true); | ||
| 346 | globalScvfIndices_[0] = scvf.index(); | ||
| 347 | } | ||
| 348 | |||
| 349 | const GridFluxVariablesCache* gridFluxVarsCachePtr_; | ||
| 350 | |||
| 351 | // get index of scvf in the local container | ||
| 352 | int getLocalScvfIdx_(const int scvfIdx) const | ||
| 353 | { | ||
| 354 | auto it = std::find(globalScvfIndices_.begin(), globalScvfIndices_.end(), scvfIdx); | ||
| 355 | assert(it != globalScvfIndices_.end() && "Could not find the flux vars cache for scvfIdx"); | ||
| 356 | return std::distance(globalScvfIndices_.begin(), it); | ||
| 357 | } | ||
| 358 | |||
| 359 | std::vector<FluxVariablesCache> fluxVarsCache_; | ||
| 360 | std::vector<std::size_t> globalScvfIndices_; | ||
| 361 | }; | ||
| 362 | |||
| 363 | } // end namespace Dumux | ||
| 364 | |||
| 365 | #endif | ||
| 366 |