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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 DiamondDiscretization | ||
| 10 | * \copydoc Dumux::DiamondGeometryHelper | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_FACECENTERED_DIAMOND_GEOMETRY_HELPER_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_FACECENTERED_DIAMOND_GEOMETRY_HELPER_HH | ||
| 14 | |||
| 15 | #include <array> | ||
| 16 | |||
| 17 | #include <dune/common/reservedvector.hh> | ||
| 18 | #include <dune/common/fvector.hh> | ||
| 19 | #include <dune/geometry/multilineargeometry.hh> | ||
| 20 | #include <dune/geometry/type.hh> | ||
| 21 | |||
| 22 | #include <dumux/common/math.hh> | ||
| 23 | |||
| 24 | namespace Dumux { | ||
| 25 | |||
| 26 | //! Traits for an efficient corner storage for fc diamond method | ||
| 27 | template <class ct> | ||
| 28 | struct FCDiamondMLGeometryTraits : public Dune::MultiLinearGeometryTraits<ct> | ||
| 29 | { | ||
| 30 | // we use static vectors to store the corners as we know | ||
| 31 | // the maximum number of corners in advance (2^dim) | ||
| 32 | template< int mydim, int cdim > | ||
| 33 | struct CornerStorage | ||
| 34 | { | ||
| 35 | using Type = Dune::ReservedVector< Dune::FieldVector< ct, cdim >, (1<<mydim)>; | ||
| 36 | }; | ||
| 37 | }; | ||
| 38 | |||
| 39 | namespace Detail::FCDiamond { | ||
| 40 | |||
| 41 | template<Dune::GeometryType::Id gt> | ||
| 42 | struct ScvCorners; | ||
| 43 | |||
| 44 | template<> | ||
| 45 | struct ScvCorners<Dune::GeometryTypes::triangle> | ||
| 46 | { | ||
| 47 | static constexpr Dune::GeometryType type() | ||
| 48 | { return Dune::GeometryTypes::triangle; } | ||
| 49 | |||
| 50 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 51 | static constexpr std::array<std::array<Key, 3>, 3> keys = {{ | ||
| 52 | { Key{0, 2}, Key{1, 2}, Key{0, 0} }, | ||
| 53 | { Key{2, 2}, Key{0, 2}, Key{0, 0} }, | ||
| 54 | { Key{1, 2}, Key{2, 2}, Key{0, 0} } | ||
| 55 | }}; | ||
| 56 | }; | ||
| 57 | |||
| 58 | template<> | ||
| 59 | struct ScvCorners<Dune::GeometryTypes::quadrilateral> | ||
| 60 | { | ||
| 61 | static constexpr Dune::GeometryType type() | ||
| 62 | { return Dune::GeometryTypes::triangle; } | ||
| 63 | |||
| 64 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 65 | static constexpr std::array<std::array<Key, 3>, 4> keys = {{ | ||
| 66 | { Key{2, 2}, Key{0, 2}, Key{0, 0} }, | ||
| 67 | { Key{1, 2}, Key{3, 2}, Key{0, 0} }, | ||
| 68 | { Key{0, 2}, Key{1, 2}, Key{0, 0} }, | ||
| 69 | { Key{3, 2}, Key{2, 2}, Key{0, 0} } | ||
| 70 | }}; | ||
| 71 | }; | ||
| 72 | |||
| 73 | template<> | ||
| 74 | struct ScvCorners<Dune::GeometryTypes::tetrahedron> | ||
| 75 | { | ||
| 76 | static constexpr Dune::GeometryType type() | ||
| 77 | { return Dune::GeometryTypes::tetrahedron; } | ||
| 78 | |||
| 79 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 80 | static constexpr std::array<std::array<Key, 4>, 4> keys = {{ | ||
| 81 | { Key{0, 3}, Key{1, 3}, Key{2, 3}, Key{0, 0} }, | ||
| 82 | { Key{1, 3}, Key{0, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 83 | { Key{0, 3}, Key{2, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 84 | { Key{2, 3}, Key{1, 3}, Key{3, 3}, Key{0, 0} } | ||
| 85 | }}; | ||
| 86 | }; | ||
| 87 | |||
| 88 | template<> | ||
| 89 | struct ScvCorners<Dune::GeometryTypes::hexahedron> | ||
| 90 | { | ||
| 91 | static constexpr Dune::GeometryType type() | ||
| 92 | { return Dune::GeometryTypes::pyramid; } | ||
| 93 | |||
| 94 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 95 | static constexpr std::array<std::array<Key, 5>, 6> keys = {{ | ||
| 96 | { Key{4, 3}, Key{0, 3}, Key{6, 3}, Key{2, 3}, Key{0, 0} }, | ||
| 97 | { Key{1, 3}, Key{5, 3}, Key{3, 3}, Key{7, 3}, Key{0, 0} }, | ||
| 98 | { Key{4, 3}, Key{5, 3}, Key{0, 3}, Key{1, 3}, Key{0, 0} }, | ||
| 99 | { Key{2, 3}, Key{3, 3}, Key{6, 3}, Key{7, 3}, Key{0, 0} }, | ||
| 100 | { Key{0, 3}, Key{1, 3}, Key{2, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 101 | { Key{6, 3}, Key{7, 3}, Key{4, 3}, Key{5, 3}, Key{0, 0} } | ||
| 102 | }}; | ||
| 103 | }; | ||
| 104 | |||
| 105 | template<Dune::GeometryType::Id gt> | ||
| 106 | struct ScvfCorners; | ||
| 107 | |||
| 108 | template<> | ||
| 109 | struct ScvfCorners<Dune::GeometryTypes::triangle> | ||
| 110 | { | ||
| 111 | static constexpr Dune::GeometryType type() | ||
| 112 | { return Dune::GeometryTypes::line; } | ||
| 113 | |||
| 114 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 115 | static constexpr std::array<std::array<Key, 2>, 3> keys = {{ | ||
| 116 | { Key{0, 2}, Key{0, 0} }, | ||
| 117 | { Key{1, 2}, Key{0, 0} }, | ||
| 118 | { Key{2, 2}, Key{0, 0} } | ||
| 119 | }}; | ||
| 120 | }; | ||
| 121 | |||
| 122 | template<> | ||
| 123 | struct ScvfCorners<Dune::GeometryTypes::quadrilateral> | ||
| 124 | { | ||
| 125 | static constexpr Dune::GeometryType type() | ||
| 126 | { return Dune::GeometryTypes::line; } | ||
| 127 | |||
| 128 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 129 | static constexpr std::array<std::array<Key, 2>, 4> keys = {{ | ||
| 130 | { Key{0, 2}, Key{0, 0} }, | ||
| 131 | { Key{1, 2}, Key{0, 0} }, | ||
| 132 | { Key{2, 2}, Key{0, 0} }, | ||
| 133 | { Key{3, 2}, Key{0, 0} } | ||
| 134 | }}; | ||
| 135 | }; | ||
| 136 | |||
| 137 | template<> | ||
| 138 | struct ScvfCorners<Dune::GeometryTypes::tetrahedron> | ||
| 139 | { | ||
| 140 | static constexpr Dune::GeometryType type() | ||
| 141 | { return Dune::GeometryTypes::triangle; } | ||
| 142 | |||
| 143 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 144 | static constexpr std::array<std::array<Key, 3>, 6> keys = {{ | ||
| 145 | { Key{0, 3}, Key{1, 3}, Key{0, 0} }, | ||
| 146 | { Key{2, 3}, Key{0, 3}, Key{0, 0} }, | ||
| 147 | { Key{1, 3}, Key{2, 3}, Key{0, 0} }, | ||
| 148 | { Key{0, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 149 | { Key{1, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 150 | { Key{2, 3}, Key{3, 3}, Key{0, 0} } | ||
| 151 | }}; | ||
| 152 | }; | ||
| 153 | |||
| 154 | template<> | ||
| 155 | struct ScvfCorners<Dune::GeometryTypes::hexahedron> | ||
| 156 | { | ||
| 157 | static constexpr Dune::GeometryType type() | ||
| 158 | { return Dune::GeometryTypes::triangle; } | ||
| 159 | |||
| 160 | using Key = std::pair<std::uint8_t, std::uint8_t>; // (i, codim) | ||
| 161 | static constexpr std::array<std::array<Key, 3>, 12> keys = {{ | ||
| 162 | { Key{0, 3}, Key{4, 3}, Key{0, 0} }, | ||
| 163 | { Key{1, 3}, Key{5, 3}, Key{0, 0} }, | ||
| 164 | { Key{2, 3}, Key{6, 3}, Key{0, 0} }, | ||
| 165 | { Key{3, 3}, Key{7, 3}, Key{0, 0} }, | ||
| 166 | { Key{0, 3}, Key{2, 3}, Key{0, 0} }, | ||
| 167 | { Key{1, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 168 | { Key{0, 3}, Key{1, 3}, Key{0, 0} }, | ||
| 169 | { Key{2, 3}, Key{3, 3}, Key{0, 0} }, | ||
| 170 | { Key{4, 3}, Key{6, 3}, Key{0, 0} }, | ||
| 171 | { Key{5, 3}, Key{7, 3}, Key{0, 0} }, | ||
| 172 | { Key{4, 3}, Key{5, 3}, Key{0, 0} }, | ||
| 173 | { Key{6, 3}, Key{7, 3}, Key{0, 0} } | ||
| 174 | }}; | ||
| 175 | }; | ||
| 176 | |||
| 177 | // convert key array to global corner storage | ||
| 178 | template<class S, class Geo, class KeyArray, std::size_t... I> | ||
| 179 | 1954536 | S keyToCornerStorageImpl(const Geo& geo, const KeyArray& key, std::index_sequence<I...>) | |
| 180 | { | ||
| 181 | using Dune::referenceElement; | ||
| 182 | 1954536 | const auto ref = referenceElement(geo); | |
| 183 | // key is a pair of a local sub-entity index (first) and the sub-entity's codim (second) | ||
| 184 | 2923276 | return { geo.global(ref.position(key[I].first, key[I].second))... }; | |
| 185 | } | ||
| 186 | |||
| 187 | // convert key array to global corner storage | ||
| 188 | template<class S, class Geo, class T, std::size_t N, class Indices = std::make_index_sequence<N>> | ||
| 189 | 977268 | S keyToCornerStorage(const Geo& geo, const std::array<T, N>& key) | |
| 190 | { | ||
| 191 |
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977268 | return keyToCornerStorageImpl<S>(geo, key, Indices{}); |
| 192 | } | ||
| 193 | |||
| 194 | // boundary corners for the i-th facet | ||
| 195 | template<class S, class Geo, std::size_t... ii> | ||
| 196 | 326 | S boundaryCornerStorageImpl(const Geo& geo, unsigned int i, std::index_sequence<ii...>) | |
| 197 | { | ||
| 198 | using Dune::referenceElement; | ||
| 199 | 326 | const auto ref = referenceElement(geo); | |
| 200 | // simply the vertices of the facet i | ||
| 201 | 350 | return { geo.global(ref.position(ref.subEntity(i, 1, ii, Geo::mydimension), Geo::mydimension))... }; | |
| 202 | } | ||
| 203 | |||
| 204 | // boundary corners for the i-th facet | ||
| 205 | template<class S, std::size_t numCorners, class Geo> | ||
| 206 | 166 | S boundaryCornerStorage(const Geo& geo, unsigned int i) | |
| 207 | { | ||
| 208 | 166 | return boundaryCornerStorageImpl<S>(geo, i, std::make_index_sequence<numCorners>{}); | |
| 209 | } | ||
| 210 | |||
| 211 | template<class IndexType, Dune::GeometryType::Id gt> | ||
| 212 | struct InsideOutsideScv; | ||
| 213 | |||
| 214 | template<class IndexType> | ||
| 215 | struct InsideOutsideScv<IndexType, Dune::GeometryTypes::triangle> | ||
| 216 | { | ||
| 217 | static constexpr std::array<std::array<IndexType, 2>, 3> pairs = {{ | ||
| 218 | {0, 1}, {0, 2}, {1, 2} | ||
| 219 | }}; | ||
| 220 | }; | ||
| 221 | |||
| 222 | template<class IndexType> | ||
| 223 | struct InsideOutsideScv<IndexType, Dune::GeometryTypes::quadrilateral> | ||
| 224 | { | ||
| 225 | static constexpr std::array<std::array<IndexType, 2>, 4> pairs = {{ | ||
| 226 | {0, 2}, {1, 2}, {0, 3}, {1, 3} | ||
| 227 | }}; | ||
| 228 | }; | ||
| 229 | |||
| 230 | template<class IndexType> | ||
| 231 | struct InsideOutsideScv<IndexType, Dune::GeometryTypes::tetrahedron> | ||
| 232 | { | ||
| 233 | static constexpr std::array<std::array<IndexType, 2>, 6> pairs = {{ | ||
| 234 | {0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}, | ||
| 235 | }}; | ||
| 236 | }; | ||
| 237 | |||
| 238 | template<class IndexType> | ||
| 239 | struct InsideOutsideScv<IndexType, Dune::GeometryTypes::hexahedron> | ||
| 240 | { | ||
| 241 | static constexpr std::array<std::array<IndexType, 2>, 12> pairs = {{ | ||
| 242 | {0, 2}, {1, 2}, {0, 3}, {1, 3}, {0, 4}, {1, 4}, | ||
| 243 | {2, 4}, {3, 4}, {0, 5}, {1, 5}, {2, 5}, {3, 5} | ||
| 244 | }}; | ||
| 245 | }; | ||
| 246 | |||
| 247 | } // end namespace Detail::FCDiamond | ||
| 248 | |||
| 249 | /*! | ||
| 250 | * \ingroup DiamondDiscretization | ||
| 251 | * \brief Helper class to construct SCVs and SCVFs for the diamond scheme | ||
| 252 | */ | ||
| 253 | template <class GridView, class ScvType, class ScvfType> | ||
| 254 | class DiamondGeometryHelper | ||
| 255 | { | ||
| 256 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 257 | |||
| 258 | static constexpr auto dim = GridView::dimension; | ||
| 259 | static constexpr auto dimWorld = GridView::dimensionworld; | ||
| 260 | |||
| 261 | using ScvCornerStorage = typename ScvType::Traits::CornerStorage; | ||
| 262 | using LocalIndexType = typename ScvType::Traits::LocalIndexType; | ||
| 263 | using ScvfCornerStorage = typename ScvfType::Traits::CornerStorage; | ||
| 264 | |||
| 265 | // for the normal | ||
| 266 | using ctype = typename GridView::ctype; | ||
| 267 | using GlobalPosition = typename Dune::FieldVector<ctype, GridView::dimensionworld>; | ||
| 268 | |||
| 269 | public: | ||
| 270 |
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128652 | explicit DiamondGeometryHelper(const typename Element::Geometry& geo) |
| 271 |
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128629 | : geo_(geo) |
| 272 | {} | ||
| 273 | |||
| 274 | //! Create a corner storage with the scv corners for a given face (codim-1) index | ||
| 275 | 463234 | ScvCornerStorage getScvCorners(unsigned int localFacetIndex) const | |
| 276 | { | ||
| 277 |
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463228 | const auto type = geo_.type(); |
| 278 |
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165178 | if (type == Dune::GeometryTypes::triangle) |
| 279 | { | ||
| 280 | using Corners = Detail::FCDiamond::ScvCorners<Dune::GeometryTypes::triangle>; | ||
| 281 |
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194226 | return Detail::FCDiamond::keyToCornerStorage<ScvCornerStorage>(geo_, Corners::keys[localFacetIndex]); |
| 282 | } | ||
| 283 |
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54170 | else if (type == Dune::GeometryTypes::quadrilateral) |
| 284 | { | ||
| 285 | using Corners = Detail::FCDiamond::ScvCorners<Dune::GeometryTypes::quadrilateral>; | ||
| 286 |
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209224 | return Detail::FCDiamond::keyToCornerStorage<ScvCornerStorage>(geo_, Corners::keys[localFacetIndex]); |
| 287 | } | ||
| 288 |
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36474 | else if (type == Dune::GeometryTypes::tetrahedron) |
| 289 | { | ||
| 290 | using Corners = Detail::FCDiamond::ScvCorners<Dune::GeometryTypes::tetrahedron>; | ||
| 291 | 17664 | return Detail::FCDiamond::keyToCornerStorage<ScvCornerStorage>(geo_, Corners::keys[localFacetIndex]); | |
| 292 | } | ||
| 293 | ✗ | else if (type == Dune::GeometryTypes::hexahedron) | |
| 294 | { | ||
| 295 | using Corners = Detail::FCDiamond::ScvCorners<Dune::GeometryTypes::hexahedron>; | ||
| 296 |
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344504 | return Detail::FCDiamond::keyToCornerStorage<ScvCornerStorage>(geo_, Corners::keys[localFacetIndex]); |
| 297 | } | ||
| 298 | else | ||
| 299 | ✗ | DUNE_THROW(Dune::NotImplemented, "Scv geometries for type " << type); | |
| 300 | } | ||
| 301 | |||
| 302 | //! Create a corner storage with the scvf corners for a given edge (codim-2) index | ||
| 303 | 514082 | ScvfCornerStorage getScvfCorners(unsigned int localEdgeIndex) const | |
| 304 | { | ||
| 305 |
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514070 | const auto type = geo_.type(); |
| 306 |
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210380 | if (type == Dune::GeometryTypes::triangle) |
| 307 | { | ||
| 308 | using Corners = Detail::FCDiamond::ScvfCorners<Dune::GeometryTypes::triangle>; | ||
| 309 |
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194202 | return Detail::FCDiamond::keyToCornerStorage<ScvfCornerStorage>(geo_, Corners::keys[localEdgeIndex]); |
| 310 | } | ||
| 311 |
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99372 | else if (type == Dune::GeometryTypes::quadrilateral) |
| 312 | { | ||
| 313 | using Corners = Detail::FCDiamond::ScvfCorners<Dune::GeometryTypes::quadrilateral>; | ||
| 314 |
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209168 | return Detail::FCDiamond::keyToCornerStorage<ScvfCornerStorage>(geo_, Corners::keys[localEdgeIndex]); |
| 315 | } | ||
| 316 |
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72900 | else if (type == Dune::GeometryTypes::tetrahedron) |
| 317 | { | ||
| 318 | using Corners = Detail::FCDiamond::ScvfCorners<Dune::GeometryTypes::tetrahedron>; | ||
| 319 | 26472 | return Detail::FCDiamond::keyToCornerStorage<ScvfCornerStorage>(geo_, Corners::keys[localEdgeIndex]); | |
| 320 | } | ||
| 321 | ✗ | else if (type == Dune::GeometryTypes::hexahedron) | |
| 322 | { | ||
| 323 | using Corners = Detail::FCDiamond::ScvfCorners<Dune::GeometryTypes::hexahedron>; | ||
| 324 | 395408 | return Detail::FCDiamond::keyToCornerStorage<ScvfCornerStorage>(geo_, Corners::keys[localEdgeIndex]); | |
| 325 | } | ||
| 326 | else | ||
| 327 | ✗ | DUNE_THROW(Dune::NotImplemented, "Scvf geometries for type " << type); | |
| 328 | } | ||
| 329 | |||
| 330 | //! Create the sub control volume face geometries on the boundary for a given face index | ||
| 331 | 166 | ScvfCornerStorage getBoundaryScvfCorners(unsigned int localFacetIndex) const | |
| 332 | { | ||
| 333 |
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166 | const auto type = geo_.type(); |
| 334 | ✗ | if (type == Dune::GeometryTypes::triangle || type == Dune::GeometryTypes::quadrilateral) | |
| 335 | 160 | return Detail::FCDiamond::boundaryCornerStorage<ScvfCornerStorage, 2>(geo_, localFacetIndex); | |
| 336 | ✗ | else if (type == Dune::GeometryTypes::tetrahedron) | |
| 337 | ✗ | return Detail::FCDiamond::boundaryCornerStorage<ScvfCornerStorage, 3>(geo_, localFacetIndex); | |
| 338 | ✗ | else if (type == Dune::GeometryTypes::hexahedron) | |
| 339 | 166 | return Detail::FCDiamond::boundaryCornerStorage<ScvfCornerStorage, 4>(geo_, localFacetIndex); | |
| 340 | else | ||
| 341 | ✗ | DUNE_THROW(Dune::NotImplemented, "Boundary scvf geometries for type " << type); | |
| 342 | } | ||
| 343 | |||
| 344 | 463132 | GlobalPosition facetCenter(unsigned int localFacetIndex) const | |
| 345 | { | ||
| 346 | 463132 | return geo_.global(referenceElement(geo_).position(localFacetIndex, 1)); | |
| 347 | } | ||
| 348 | |||
| 349 | 514070 | std::array<LocalIndexType, 2> getInsideOutsideScvForScvf(unsigned int localEdgeIndex) | |
| 350 | { | ||
| 351 |
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514070 | const auto type = geo_.type(); |
| 352 |
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210380 | if (type == Dune::GeometryTypes::triangle) |
| 353 | 194202 | return Detail::FCDiamond::InsideOutsideScv<LocalIndexType, Dune::GeometryTypes::triangle>::pairs[localEdgeIndex]; | |
| 354 |
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99372 | else if (type == Dune::GeometryTypes::quadrilateral) |
| 355 | 209168 | return Detail::FCDiamond::InsideOutsideScv<LocalIndexType, Dune::GeometryTypes::quadrilateral>::pairs[localEdgeIndex]; | |
| 356 |
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72900 | else if (type == Dune::GeometryTypes::tetrahedron) |
| 357 | 26472 | return Detail::FCDiamond::InsideOutsideScv<LocalIndexType, Dune::GeometryTypes::tetrahedron>::pairs[localEdgeIndex]; | |
| 358 | ✗ | else if (type == Dune::GeometryTypes::hexahedron) | |
| 359 | 84228 | return Detail::FCDiamond::InsideOutsideScv<LocalIndexType, Dune::GeometryTypes::hexahedron>::pairs[localEdgeIndex]; | |
| 360 | else | ||
| 361 | ✗ | DUNE_THROW(Dune::NotImplemented, "Inside outside scv pairs for type " << type); | |
| 362 | } | ||
| 363 | |||
| 364 | //! number of interior sub control volume faces (number of codim-2 entities) | ||
| 365 | 899441 | std::size_t numInteriorScvf() | |
| 366 | { | ||
| 367 | 899441 | return referenceElement(geo_).size(2); | |
| 368 | } | ||
| 369 | |||
| 370 | //! number of sub control volumes (number of codim-1 entities) | ||
| 371 | 848563 | std::size_t numScv() | |
| 372 | { | ||
| 373 |
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848563 | return referenceElement(geo_).size(1); |
| 374 | } | ||
| 375 | |||
| 376 | template<int d = dimWorld, std::enable_if_t<(d==3), int> = 0> | ||
| 377 | 110700 | GlobalPosition normal(const ScvfCornerStorage& p, const std::array<LocalIndexType, 2>& scvPair) | |
| 378 | { | ||
| 379 | 332100 | auto normal = Dumux::crossProduct(p[1]-p[0], p[2]-p[0]); | |
| 380 | 110700 | normal /= normal.two_norm(); | |
| 381 | |||
| 382 | 110700 | const auto ref = referenceElement(geo_); | |
| 383 | 122028 | const auto v = facetCenter_(scvPair[1], ref) - facetCenter_(scvPair[0], ref); | |
| 384 | |||
| 385 |
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110700 | const auto s = v*normal; |
| 386 |
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110700 | if (std::signbit(s)) |
| 387 | 110700 | normal *= -1; | |
| 388 | |||
| 389 | 110700 | return normal; | |
| 390 | } | ||
| 391 | |||
| 392 | template<int d = dimWorld, std::enable_if_t<(d==2), int> = 0> | ||
| 393 | 403370 | GlobalPosition normal(const ScvfCornerStorage& p, const std::array<LocalIndexType, 2>& scvPair) | |
| 394 | { | ||
| 395 | //! obtain normal vector by 90° counter-clockwise rotation of t | ||
| 396 | 806740 | const auto t = p[1] - p[0]; | |
| 397 | 403370 | GlobalPosition normal({-t[1], t[0]}); | |
| 398 | 403370 | normal /= normal.two_norm(); | |
| 399 | |||
| 400 | 403370 | const auto ref = referenceElement(geo_); | |
| 401 | 806740 | const auto v = facetCenter_(scvPair[1], ref) - facetCenter_(scvPair[0], ref); | |
| 402 | |||
| 403 |
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403370 | const auto s = v*normal; |
| 404 |
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403370 | if (std::signbit(s)) |
| 405 | 403370 | normal *= -1; | |
| 406 | |||
| 407 | 403370 | return normal; | |
| 408 | } | ||
| 409 | |||
| 410 | const typename Element::Geometry& elementGeometry() const | ||
| 411 | { return geo_; } | ||
| 412 | |||
| 413 | private: | ||
| 414 | template<class RefElement> | ||
| 415 | 1028140 | GlobalPosition facetCenter_(unsigned int localFacetIndex, const RefElement& ref) const | |
| 416 | { | ||
| 417 | 928768 | return geo_.global(ref.position(localFacetIndex, 1)); | |
| 418 | } | ||
| 419 | |||
| 420 | const typename Element::Geometry& geo_; //!< Reference to the element geometry | ||
| 421 | }; | ||
| 422 | |||
| 423 | } // end namespace Dumux | ||
| 424 | |||
| 425 | #endif | ||
| 426 |