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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 FaceCenteredStaggeredDiscretization | ||
| 10 | * \copydoc Dumux::FaceCenteredStaggeredLocalIntersectionIndexMapper | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_LOCAL_INTERSECTION_INDEX_MAPPER_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_LOCAL_INTERSECTION_INDEX_MAPPER_HH | ||
| 14 | |||
| 15 | #include <array> | ||
| 16 | #include <numeric> | ||
| 17 | #include <dune/common/float_cmp.hh> | ||
| 18 | #include <dumux/common/indextraits.hh> | ||
| 19 | #include <dumux/common/math.hh> | ||
| 20 | #include <dumux/common/parameters.hh> | ||
| 21 | #include <dumux/discretization/facecentered/staggered/normalaxis.hh> | ||
| 22 | #include <dumux/discretization/facecentered/staggered/consistentlyorientedgrid.hh> | ||
| 23 | |||
| 24 | namespace Dumux { | ||
| 25 | |||
| 26 | namespace Detail { | ||
| 27 | |||
| 28 | template<class GridView, bool consistentlyOrientedGrid> | ||
| 29 | class FaceCenteredStaggeredLocalIntersectionIndexMapper; | ||
| 30 | |||
| 31 | /*! | ||
| 32 | * \ingroup FaceCenteredStaggeredDiscretization | ||
| 33 | * \brief Provides a mapping of local intersection indices (indexInInside) | ||
| 34 | * such that the local indices always follow the order of a reference element, | ||
| 35 | * regardless of how the element is oriented. | ||
| 36 | */ | ||
| 37 | template<class GridView> | ||
| 38 | class FaceCenteredStaggeredLocalIntersectionIndexMapper<GridView, false> | ||
| 39 | { | ||
| 40 | using SmallLocalIndexType = typename IndexTraits<GridView>::SmallLocalIndex; | ||
| 41 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 42 | static constexpr auto numElementFaces = GridView::Grid::dimension * 2; | ||
| 43 | public: | ||
| 44 | 247557 | void update(const GridView& gv, const Element& element) | |
| 45 | { | ||
| 46 |
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247557 | static const bool makeConsistentlyOriented = getParam<bool>("Grid.MakeConsistentlyOriented", true); |
| 47 |
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247557 | if (!makeConsistentlyOriented) |
| 48 | { | ||
| 49 | ✗ | std::iota(realToRefMap_.begin(), realToRefMap_.end(), 0); | |
| 50 | ✗ | refToRealMap_ = realToRefMap_; | |
| 51 | ✗ | return; | |
| 52 | } | ||
| 53 | |||
| 54 |
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2722909 | for (const auto& is : intersections(gv, element)) |
| 55 | { | ||
| 56 |
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990228 | const auto& otherOuterNormal = is.centerUnitOuterNormal(); |
| 57 | 990228 | const auto idx = normalAxis(otherOuterNormal); | |
| 58 |
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1980456 | const int positveOrientation = !std::signbit(otherOuterNormal[idx]); |
| 59 | 990228 | const auto refIdx = idx * 2 + positveOrientation; | |
| 60 |
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990228 | const auto realIdx = is.indexInInside(); |
| 61 |
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990228 | realToRefMap_[realIdx] = refIdx; |
| 62 |
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1980456 | refToRealMap_[refIdx] = realIdx; |
| 63 | } | ||
| 64 | } | ||
| 65 | |||
| 66 | //! Return the intersection's actual local indexInElement given a local reference index. | ||
| 67 | SmallLocalIndexType realToRefIdx(const SmallLocalIndexType localIsIdx) const | ||
| 68 |
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2101136 | { return realToRefMap_[localIsIdx]; } |
| 69 | |||
| 70 | //! Return the intersection's local reference indexInElement given an actual local index. | ||
| 71 | SmallLocalIndexType refToRealIdx(const SmallLocalIndexType localIsIdx) const | ||
| 72 |
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3444792 | { return refToRealMap_[localIsIdx]; } |
| 73 | |||
| 74 | private: | ||
| 75 | std::array<SmallLocalIndexType, numElementFaces> realToRefMap_ = {}; | ||
| 76 | std::array<SmallLocalIndexType, numElementFaces> refToRealMap_ = {}; | ||
| 77 | }; | ||
| 78 | |||
| 79 | /*! | ||
| 80 | * \ingroup FaceCenteredStaggeredDiscretization | ||
| 81 | * \brief Provides a mapping of local intersection indices (indexInInside) | ||
| 82 | * such that the local indices always follow the order of a reference element, | ||
| 83 | * regardless of how the element in oriented. | ||
| 84 | * \note This specialization is used for grids not supporting rotated elements. | ||
| 85 | * No mapping needs to be done here. | ||
| 86 | */ | ||
| 87 | template<class GridView> | ||
| 88 | class FaceCenteredStaggeredLocalIntersectionIndexMapper<GridView, true> | ||
| 89 | { | ||
| 90 | using SmallLocalIndexType = typename IndexTraits<GridView>::SmallLocalIndex; | ||
| 91 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 92 | public: | ||
| 93 | |||
| 94 | //! Update the map for getting the corresponding local face indices in another element. | ||
| 95 | ✗ | void update(const GridView&, const Element&) {} | |
| 96 | |||
| 97 | //! Return the intersection's actual local indexInElement given a local reference index. | ||
| 98 | SmallLocalIndexType realToRefIdx(const SmallLocalIndexType localIsIdx) const | ||
| 99 | { return localIsIdx; } | ||
| 100 | |||
| 101 | //! Return the intersection's local reference indexInElement given an actual local index. | ||
| 102 | SmallLocalIndexType refToRealIdx(const SmallLocalIndexType localIsIdx) const | ||
| 103 | { return localIsIdx; } | ||
| 104 | }; | ||
| 105 | |||
| 106 | } // end namespace Detail | ||
| 107 | |||
| 108 | /*! | ||
| 109 | * \ingroup FaceCenteredStaggeredDiscretization | ||
| 110 | * \brief Provides a mapping of local intersection indices (indexInInside) | ||
| 111 | * such that the local indices always follow the order of a reference element, | ||
| 112 | * regardless of how the element is oriented. Does not do anything for grids | ||
| 113 | * not supporting rotated elements (such as Dune::YaspGrid). | ||
| 114 | */ | ||
| 115 | template<class GridView> | ||
| 116 | using FaceCenteredStaggeredLocalIntersectionIndexMapper = | ||
| 117 | Detail::FaceCenteredStaggeredLocalIntersectionIndexMapper<GridView, ConsistentlyOrientedGrid<typename GridView::Grid>{}>; | ||
| 118 | |||
| 119 | } // end namespace Dumux | ||
| 120 | |||
| 121 | #endif | ||
| 122 |