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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 Global flux variable cache | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_CVFE_GRID_FLUXVARSCACHE_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_CVFE_GRID_FLUXVARSCACHE_HH | ||
| 14 | |||
| 15 | #include <dumux/parallel/parallel_for.hh> | ||
| 16 | |||
| 17 | // make the local view function available whenever we use this class | ||
| 18 | #include <dumux/discretization/localview.hh> | ||
| 19 | #include <dumux/discretization/cvfe/elementfluxvariablescache.hh> | ||
| 20 | |||
| 21 | namespace Dumux { | ||
| 22 | |||
| 23 | /*! | ||
| 24 | * \ingroup CVFEDiscretization | ||
| 25 | * \brief Flux variable caches traits | ||
| 26 | */ | ||
| 27 | template<class P, class FVC> | ||
| 28 | struct CVFEDefaultGridFVCTraits | ||
| 29 | { | ||
| 30 | using Problem = P; | ||
| 31 | using FluxVariablesCache = FVC; | ||
| 32 | |||
| 33 | template<class GridFluxVariablesCache, bool cachingEnabled> | ||
| 34 | using LocalView = CVFEElementFluxVariablesCache<GridFluxVariablesCache, cachingEnabled>; | ||
| 35 | }; | ||
| 36 | |||
| 37 | /*! | ||
| 38 | * \ingroup CVFEDiscretization | ||
| 39 | * \brief Flux variable caches on a gridview | ||
| 40 | * \note The class is specialized for a version with and without grid caching | ||
| 41 | */ | ||
| 42 | template<class Problem, | ||
| 43 | class FluxVariablesCache, | ||
| 44 | bool cachingEnabled = false, | ||
| 45 | class Traits = CVFEDefaultGridFVCTraits<Problem, FluxVariablesCache> > | ||
| 46 | class CVFEGridFluxVariablesCache; | ||
| 47 | |||
| 48 | /*! | ||
| 49 | * \ingroup CVFEDiscretization | ||
| 50 | * \brief Flux variable caches on a gridview with grid caching enabled | ||
| 51 | * \note The flux caches of the gridview are stored which is memory intensive but faster | ||
| 52 | */ | ||
| 53 | template<class P, class FVC, class Traits> | ||
| 54 | class CVFEGridFluxVariablesCache<P, FVC, true, Traits> | ||
| 55 | { | ||
| 56 | using Problem = typename Traits::Problem; | ||
| 57 | using ThisType = CVFEGridFluxVariablesCache<P, FVC, true, Traits>; | ||
| 58 | |||
| 59 | public: | ||
| 60 | //! export the flux variable cache type | ||
| 61 | using FluxVariablesCache = typename Traits::FluxVariablesCache; | ||
| 62 | |||
| 63 | //! make it possible to query if caching is enabled | ||
| 64 | static constexpr bool cachingEnabled = true; | ||
| 65 | |||
| 66 | //! export the type of the local view | ||
| 67 | using LocalView = typename Traits::template LocalView<ThisType, cachingEnabled>; | ||
| 68 | |||
| 69 | ✗ | CVFEGridFluxVariablesCache(const Problem& problem) : problemPtr_(&problem) {} | |
| 70 | |||
| 71 | template<class GridGeometry, class GridVolumeVariables, class SolutionVector> | ||
| 72 | 3644 | void update(const GridGeometry& gridGeometry, | |
| 73 | const GridVolumeVariables& gridVolVars, | ||
| 74 | const SolutionVector& sol, | ||
| 75 | bool forceUpdate = false) | ||
| 76 | { | ||
| 77 | // Here, we do not do anything unless it is a forced update | ||
| 78 |
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3644 | if (forceUpdate) |
| 79 | { | ||
| 80 | 152 | fluxVarsCache_.resize(gridGeometry.gridView().size(0)); | |
| 81 | 2172337 | Dumux::parallelFor(gridGeometry.gridView().size(0), [&, &problem = problem()](const std::size_t eIdx) | |
| 82 | { | ||
| 83 | // Prepare the geometries within the elements of the stencil | ||
| 84 | 313503 | const auto element = gridGeometry.element(eIdx); | |
| 85 |
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671870 | const auto fvGeometry = localView(gridGeometry).bind(element); |
| 86 |
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537278 | const auto elemVolVars = localView(gridVolVars).bind(element, fvGeometry, sol); |
| 87 | |||
| 88 | // only update shape functions for fluxes if update is forced | ||
| 89 |
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805917 | fluxVarsCache_[eIdx].resize(fvGeometry.numScvf()); |
| 90 |
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3617238 | for (const auto& scvf : scvfs(fvGeometry)) |
| 91 | 1539980 | cache(eIdx, scvf.index()).update(problem, element, fvGeometry, elemVolVars, scvf); | |
| 92 | }); | ||
| 93 | } | ||
| 94 | 3644 | } | |
| 95 | |||
| 96 | template<class FVElementGeometry, class ElementVolumeVariables> | ||
| 97 | ✗ | void updateElement(const typename FVElementGeometry::Element& element, | |
| 98 | const FVElementGeometry& fvGeometry, | ||
| 99 | const ElementVolumeVariables& elemVolVars) | ||
| 100 | { | ||
| 101 | if constexpr (FluxVariablesCache::isSolDependent) | ||
| 102 | { | ||
| 103 | const auto eIdx = fvGeometry.gridGeometry().elementMapper().index(element); | ||
| 104 | fluxVarsCache_[eIdx].resize(fvGeometry.numScvf()); | ||
| 105 | for (const auto& scvf : scvfs(fvGeometry)) | ||
| 106 | cache(eIdx, scvf.index()).update(problem(), element, fvGeometry, elemVolVars, scvf); | ||
| 107 | } | ||
| 108 | ✗ | } | |
| 109 | |||
| 110 | ✗ | const Problem& problem() const | |
| 111 | ✗ | { return *problemPtr_; } | |
| 112 | |||
| 113 | // access operator | ||
| 114 | const FluxVariablesCache& cache(std::size_t eIdx, std::size_t scvfIdx) const | ||
| 115 |
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983260794 | { return fluxVarsCache_[eIdx][scvfIdx]; } |
| 116 | |||
| 117 | // access operator | ||
| 118 | FluxVariablesCache& cache(std::size_t eIdx, std::size_t scvfIdx) | ||
| 119 |
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4619940 | { return fluxVarsCache_[eIdx][scvfIdx]; } |
| 120 | |||
| 121 | private: | ||
| 122 | // currently bound element | ||
| 123 | const Problem* problemPtr_; | ||
| 124 | std::vector<std::vector<FluxVariablesCache>> fluxVarsCache_; | ||
| 125 | }; | ||
| 126 | |||
| 127 | /*! | ||
| 128 | * \ingroup CVFEDiscretization | ||
| 129 | * \brief Flux variable caches on a gridview with grid caching disabled | ||
| 130 | */ | ||
| 131 | template<class P, class FVC, class Traits> | ||
| 132 | class CVFEGridFluxVariablesCache<P, FVC, false, Traits> | ||
| 133 | { | ||
| 134 | using Problem = typename Traits::Problem; | ||
| 135 | using ThisType = CVFEGridFluxVariablesCache<P, FVC, false, Traits>; | ||
| 136 | |||
| 137 | public: | ||
| 138 | //! export the flux variable cache type | ||
| 139 | using FluxVariablesCache = typename Traits::FluxVariablesCache; | ||
| 140 | |||
| 141 | //! make it possible to query if caching is enabled | ||
| 142 | static constexpr bool cachingEnabled = false; | ||
| 143 | |||
| 144 | //! export the type of the local view | ||
| 145 | using LocalView = typename Traits::template LocalView<ThisType, cachingEnabled>; | ||
| 146 | |||
| 147 |
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5 | CVFEGridFluxVariablesCache(const Problem& problem) : problemPtr_(&problem) {} |
| 148 | |||
| 149 | template<class GridGeometry, class GridVolumeVariables, class SolutionVector> | ||
| 150 | void update(const GridGeometry& gridGeometry, | ||
| 151 | const GridVolumeVariables& gridVolVars, | ||
| 152 | const SolutionVector& sol, | ||
| 153 | bool forceUpdate = false) {} | ||
| 154 | |||
| 155 | ✗ | const Problem& problem() const | |
| 156 | ✗ | { return *problemPtr_; } | |
| 157 | |||
| 158 | private: | ||
| 159 | const Problem* problemPtr_; | ||
| 160 | }; | ||
| 161 | |||
| 162 | } // end namespace Dumux | ||
| 163 | |||
| 164 | #endif | ||
| 165 |