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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 StaggeredDiscretization | ||
10 | * \copydoc Dumux::StaggeredFreeFlowConnectivityMap | ||
11 | */ | ||
12 | #ifndef DUMUX_STAGGERED_FREEFLOW_CONNECTIVITY_MAP_HH | ||
13 | #define DUMUX_STAGGERED_FREEFLOW_CONNECTIVITY_MAP_HH | ||
14 | |||
15 | #include <vector> | ||
16 | #include <dumux/common/indextraits.hh> | ||
17 | |||
18 | namespace Dumux { | ||
19 | |||
20 | /*! | ||
21 | * \ingroup StaggeredDiscretization | ||
22 | * \brief Stores the dof indices corresponding to the neighboring cell centers and faces | ||
23 | * that contribute to the derivative calculation. Specialization for the staggered free flow model. | ||
24 | */ | ||
25 | template<class GridGeometry> | ||
26 |
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255 | class StaggeredFreeFlowConnectivityMap |
27 | { | ||
28 | using GridView = typename GridGeometry::GridView; | ||
29 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
30 | using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace; | ||
31 | |||
32 | using Element = typename GridView::template Codim<0>::Entity; | ||
33 | using GridIndexType = typename IndexTraits<GridView>::GridIndex; | ||
34 | |||
35 | using CellCenterIdxType = typename GridGeometry::DofTypeIndices::CellCenterIdx; | ||
36 | using FaceIdxType = typename GridGeometry::DofTypeIndices::FaceIdx; | ||
37 | |||
38 | using SmallLocalIndex = typename IndexTraits<GridView>::SmallLocalIndex; | ||
39 | |||
40 | using Stencil = std::vector<GridIndexType>; | ||
41 | using Map = std::vector<Stencil>; | ||
42 | |||
43 | static constexpr SmallLocalIndex upwindSchemeOrder = GridGeometry::upwindSchemeOrder; | ||
44 | static constexpr bool useHigherOrder = upwindSchemeOrder > 1; | ||
45 | |||
46 | public: | ||
47 | |||
48 | //! Update the map and prepare the stencils | ||
49 | 51 | void update(const GridGeometry& gridGeometry) | |
50 | { | ||
51 | 102 | const auto numDofsCC = gridGeometry.gridView().size(0); | |
52 | 102 | const auto numDofsFace = gridGeometry.gridView().size(1); | |
53 | 51 | const auto numBoundaryFacets = gridGeometry.numBoundaryScvf(); | |
54 | |||
55 | // reinitialize maps | ||
56 | 102 | cellCenterToCellCenterMap_ = Map(numDofsCC); | |
57 | 102 | cellCenterToFaceMap_ = Map(numDofsCC); | |
58 | 102 | faceToCellCenterMap_ = Map(2*numDofsFace - numBoundaryFacets); | |
59 |
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102 | faceToFaceMap_ = Map(2*numDofsFace - numBoundaryFacets); |
60 | |||
61 | // restrict the FvGeometry locally | ||
62 |
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51 | auto fvGeometry = localView(gridGeometry); |
63 |
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179136 | for(auto&& element: elements(gridGeometry.gridView())) |
64 | { | ||
65 | // bind the FvGeometry to the element | ||
66 |
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89517 | fvGeometry.bindElement(element); |
67 | |||
68 | // loop over sub control faces | ||
69 |
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537352 | for (auto&& scvf : scvfs(fvGeometry)) |
70 | { | ||
71 | // handle the cell center dof stencils first | ||
72 | 716636 | const auto dofIdxCellCenter = gridGeometry.elementMapper().index(element); | |
73 | |||
74 | // the stencil for cell center dofs w.r.t. to other cell center dofs, | ||
75 | // includes all neighboring element indices | ||
76 |
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358318 | if (!scvf.boundary()) |
77 |
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1057206 | cellCenterToCellCenterMap_[dofIdxCellCenter].push_back(scvf.outsideScvIdx()); |
78 | |||
79 | // the stencil for cell center dofs w.r.t. face dofs, includes the face dof indices of the current element | ||
80 |
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1074954 | cellCenterToFaceMap_[dofIdxCellCenter].push_back(scvf.dofIndex()); |
81 | |||
82 | // handle the face dof stencils | ||
83 | 358318 | const auto scvfIdx = scvf.index(); | |
84 |
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716636 | computeFaceToCellCenterStencil_(faceToCellCenterMap_[scvfIdx], fvGeometry, scvf); |
85 |
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716636 | computeFaceToFaceStencil_(faceToFaceMap_[scvfIdx], fvGeometry, scvf); |
86 | } | ||
87 | } | ||
88 | 51 | } | |
89 | |||
90 | //! Returns the stencil of a cell center dof w.r.t. other cell center dofs | ||
91 | ✗ | const Stencil& operator() (CellCenterIdxType, CellCenterIdxType, const GridIndexType globalI) const | |
92 | { | ||
93 |
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2889672 | return cellCenterToCellCenterMap_[globalI]; |
94 | } | ||
95 | |||
96 | //! Returns the stencil of a cell center dof w.r.t. face dofs | ||
97 | ✗ | const Stencil& operator() (CellCenterIdxType, FaceIdxType, const GridIndexType globalI) const | |
98 | { | ||
99 | 178784 | return cellCenterToFaceMap_[globalI]; | |
100 | } | ||
101 | |||
102 | //! Returns the stencil of a face dof w.r.t. cell center dofs | ||
103 | ✗ | const Stencil& operator() (FaceIdxType, CellCenterIdxType, const GridIndexType globalI) const | |
104 | { | ||
105 | 10843552 | return faceToCellCenterMap_[globalI]; | |
106 | } | ||
107 | |||
108 | //! Returns the stencil of a face dof w.r.t. other face dofs | ||
109 | ✗ | const Stencil& operator() (FaceIdxType, FaceIdxType, const GridIndexType globalI) const | |
110 | { | ||
111 |
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36563552 | return faceToFaceMap_[globalI]; |
112 | } | ||
113 | |||
114 | private: | ||
115 | |||
116 | /* | ||
117 | * \brief Computes the stencil for face dofs w.r.t to cell center dofs. | ||
118 | * Basically, these are the dof indices of the elements adjacent to the face and those of | ||
119 | * the elements adjacent to the faces parallel to the own face. | ||
120 | */ | ||
121 | 358318 | void computeFaceToCellCenterStencil_(Stencil& stencil, | |
122 | const FVElementGeometry& fvGeometry, | ||
123 | const SubControlVolumeFace& scvf) | ||
124 | { | ||
125 | 358318 | const auto eIdx = scvf.insideScvIdx(); | |
126 | 358318 | stencil.push_back(eIdx); | |
127 | |||
128 |
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2151408 | for (const auto& data : scvf.pairData()) |
129 | { | ||
130 |
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718136 | auto& lateralFace = fvGeometry.scvf(eIdx, data.localLateralFaceIdx); |
131 |
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718136 | if (!lateralFace.boundary()) |
132 | { | ||
133 | 706004 | const auto firstParallelElementDofIdx = lateralFace.outsideScvIdx(); | |
134 | 706004 | stencil.push_back(firstParallelElementDofIdx); | |
135 | } | ||
136 | } | ||
137 | 358318 | } | |
138 | |||
139 | /* | ||
140 | * \brief Computes the stencil for face dofs w.r.t to face dofs. | ||
141 | * For a full description of the stencil, please see the document under dumux/doc/docextra/staggered | ||
142 | */ | ||
143 | 358318 | void computeFaceToFaceStencil_(Stencil& stencil, | |
144 | const FVElementGeometry& fvGeometry, | ||
145 | const SubControlVolumeFace& scvf) | ||
146 | { | ||
147 | 358318 | stencil.push_back(scvf.axisData().oppositeDof); | |
148 | 358318 | addHigherOrderInAxisDofs_(scvf, stencil, std::integral_constant<bool, useHigherOrder>{}); | |
149 | |||
150 |
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2151408 | for (const auto& data : scvf.pairData()) |
151 | { | ||
152 | // add normal dofs | ||
153 | 718136 | stencil.push_back(data.lateralPair.first); | |
154 |
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718136 | if (!scvf.boundary()) |
155 | 706004 | stencil.push_back(data.lateralPair.second); | |
156 | |||
157 | // add parallel dofs | ||
158 |
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1475272 | for (SmallLocalIndex i = 0; i < upwindSchemeOrder; i++) |
159 | { | ||
160 |
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1514272 | if (data.hasParallelNeighbor[i]) |
161 | 1484408 | stencil.push_back(data.parallelDofs[i]); | |
162 | } | ||
163 | } | ||
164 | 358318 | } | |
165 | |||
166 | ✗ | void addHigherOrderInAxisDofs_(const SubControlVolumeFace& scvf, Stencil& stencil, std::false_type) {} | |
167 | |||
168 | ✗ | void addHigherOrderInAxisDofs_(const SubControlVolumeFace& scvf, Stencil& stencil, std::true_type) | |
169 | { | ||
170 | ✗ | for (SmallLocalIndex i = 0; i < upwindSchemeOrder - 1; i++) | |
171 | { | ||
172 | ✗ | if (scvf.hasBackwardNeighbor(i)) | |
173 | ✗ | stencil.push_back(scvf.axisData().inAxisBackwardDofs[i]); | |
174 | |||
175 | ✗ | if (scvf.hasForwardNeighbor(i)) | |
176 | ✗ | stencil.push_back(scvf.axisData().inAxisForwardDofs[i]); | |
177 | } | ||
178 | ✗ | } | |
179 | |||
180 | Map cellCenterToCellCenterMap_; | ||
181 | Map cellCenterToFaceMap_; | ||
182 | Map faceToCellCenterMap_; | ||
183 | Map faceToFaceMap_; | ||
184 | }; | ||
185 | |||
186 | } // end namespace Dumux | ||
187 | |||
188 | #endif | ||
189 |