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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 EmbeddedCoupling | ||
| 10 | * \brief Coupling manager for low-dimensional domains embedded in the bulk domain. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_MULTIDOMAIN_EMBEDDED_COUPLINGMANAGER_1D3D_AVERAGE_HH | ||
| 14 | #define DUMUX_MULTIDOMAIN_EMBEDDED_COUPLINGMANAGER_1D3D_AVERAGE_HH | ||
| 15 | |||
| 16 | #include <vector> | ||
| 17 | |||
| 18 | #include <dune/common/timer.hh> | ||
| 19 | #include <dune/geometry/quadraturerules.hh> | ||
| 20 | |||
| 21 | #include <dumux/common/tag.hh> | ||
| 22 | #include <dumux/common/properties.hh> | ||
| 23 | #include <dumux/common/indextraits.hh> | ||
| 24 | |||
| 25 | #include <dumux/geometry/distance.hh> | ||
| 26 | |||
| 27 | #include <dumux/multidomain/embedded/couplingmanagerbase.hh> | ||
| 28 | #include <dumux/multidomain/embedded/circlepoints.hh> | ||
| 29 | #include <dumux/multidomain/embedded/extendedsourcestencil.hh> | ||
| 30 | #include <dumux/multidomain/embedded/circleaveragepointsourcetraits.hh> | ||
| 31 | |||
| 32 | namespace Dumux { | ||
| 33 | |||
| 34 | namespace Embedded1d3dCouplingMode { | ||
| 35 | struct Average : public Utility::Tag<Average> { | ||
| 36 | static std::string name() { return "average"; } | ||
| 37 | }; | ||
| 38 | |||
| 39 | inline constexpr Average average{}; | ||
| 40 | } // end namespace Embedded1d3dCouplingMode | ||
| 41 | |||
| 42 | // forward declaration | ||
| 43 | template<class MDTraits, class CouplingMode> | ||
| 44 | class Embedded1d3dCouplingManager; | ||
| 45 | |||
| 46 | /*! | ||
| 47 | * \ingroup EmbeddedCoupling | ||
| 48 | * \brief Manages the coupling between bulk elements and lower dimensional elements | ||
| 49 | * Point sources on each integration point are computed by an AABB tree. | ||
| 50 | * \note Specialization for coupling method using line sources with 3d quantities averaged on the cylinder surface | ||
| 51 | */ | ||
| 52 | template<class MDTraits> | ||
| 53 | class Embedded1d3dCouplingManager<MDTraits, Embedded1d3dCouplingMode::Average> | ||
| 54 | : public EmbeddedCouplingManagerBase<MDTraits, Embedded1d3dCouplingManager<MDTraits, Embedded1d3dCouplingMode::Average>, | ||
| 55 | CircleAveragePointSourceTraits<MDTraits>> | ||
| 56 | { | ||
| 57 | using ThisType = Embedded1d3dCouplingManager<MDTraits, Embedded1d3dCouplingMode::Average>; | ||
| 58 | using ParentType = EmbeddedCouplingManagerBase<MDTraits, ThisType, CircleAveragePointSourceTraits<MDTraits>>; | ||
| 59 | using Scalar = typename MDTraits::Scalar; | ||
| 60 | using SolutionVector = typename MDTraits::SolutionVector; | ||
| 61 | using PointSourceData = typename ParentType::PointSourceTraits::PointSourceData; | ||
| 62 | |||
| 63 | static constexpr auto bulkIdx = typename MDTraits::template SubDomain<0>::Index(); | ||
| 64 | static constexpr auto lowDimIdx = typename MDTraits::template SubDomain<1>::Index(); | ||
| 65 | |||
| 66 | // the sub domain type aliases | ||
| 67 | template<std::size_t id> using SubDomainTypeTag = typename MDTraits::template SubDomain<id>::TypeTag; | ||
| 68 | template<std::size_t id> using Problem = GetPropType<SubDomainTypeTag<id>, Properties::Problem>; | ||
| 69 | template<std::size_t id> using GridGeometry = GetPropType<SubDomainTypeTag<id>, Properties::GridGeometry>; | ||
| 70 | template<std::size_t id> using GridView = typename GridGeometry<id>::GridView; | ||
| 71 | template<std::size_t id> using Element = typename GridView<id>::template Codim<0>::Entity; | ||
| 72 | template<std::size_t id> using GridIndex = typename IndexTraits<GridView<id>>::GridIndex; | ||
| 73 | |||
| 74 | using GlobalPosition = typename Element<bulkIdx>::Geometry::GlobalCoordinate; | ||
| 75 | |||
| 76 | template<std::size_t id> | ||
| 77 | static constexpr bool isBox() | ||
| 78 | { return GridGeometry<id>::discMethod == DiscretizationMethods::box; } | ||
| 79 | |||
| 80 | |||
| 81 | public: | ||
| 82 | enum { | ||
| 83 | bulkDim = GridView<bulkIdx>::dimension, | ||
| 84 | lowDimDim = GridView<lowDimIdx>::dimension, | ||
| 85 | dimWorld = GridView<bulkIdx>::dimensionworld | ||
| 86 | }; | ||
| 87 | |||
| 88 | static constexpr Embedded1d3dCouplingMode::Average couplingMode{}; | ||
| 89 | |||
| 90 |
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12 | using ParentType::ParentType; |
| 91 | |||
| 92 | 12 | void init(std::shared_ptr<Problem<bulkIdx>> bulkProblem, | |
| 93 | std::shared_ptr<Problem<lowDimIdx>> lowDimProblem, | ||
| 94 | const SolutionVector& curSol) | ||
| 95 | { | ||
| 96 |
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24 | ParentType::init(bulkProblem, lowDimProblem, curSol); |
| 97 | 12 | computeLowDimVolumeFractions(); | |
| 98 | 12 | } | |
| 99 | |||
| 100 | /*! | ||
| 101 | * \brief extend the jacobian pattern of the diagonal block of domain i | ||
| 102 | * by those entries that are not already in the uncoupled pattern | ||
| 103 | * \note Such additional dependencies can arise from the coupling, e.g. if a coupling source | ||
| 104 | * term depends on a non-local average of a quantity of the same domain | ||
| 105 | */ | ||
| 106 | template<std::size_t id, class JacobianPattern> | ||
| 107 | ✗ | void extendJacobianPattern(Dune::index_constant<id> domainI, JacobianPattern& pattern) const | |
| 108 | { | ||
| 109 | ✗ | extendedSourceStencil_.extendJacobianPattern(*this, domainI, pattern); | |
| 110 | ✗ | } | |
| 111 | |||
| 112 | /*! | ||
| 113 | * \brief evaluate additional derivatives of the element residual of a domain with respect | ||
| 114 | * to dofs in the same domain that are not in the regular stencil (per default this is not the case) | ||
| 115 | * \note Such additional dependencies can arise from the coupling, e.g. if a coupling source | ||
| 116 | * term depends on a non-local average of a quantity of the same domain | ||
| 117 | * \note This is the same for box and cc | ||
| 118 | */ | ||
| 119 | template<std::size_t i, class LocalAssemblerI, class JacobianMatrixDiagBlock, class GridVariables> | ||
| 120 | ✗ | void evalAdditionalDomainDerivatives(Dune::index_constant<i> domainI, | |
| 121 | const LocalAssemblerI& localAssemblerI, | ||
| 122 | const typename LocalAssemblerI::LocalResidual::ElementResidualVector&, | ||
| 123 | JacobianMatrixDiagBlock& A, | ||
| 124 | GridVariables& gridVariables) | ||
| 125 | { | ||
| 126 | 694028 | extendedSourceStencil_.evalAdditionalDomainDerivatives(*this, domainI, localAssemblerI, A, gridVariables); | |
| 127 | ✗ | } | |
| 128 | |||
| 129 | /* \brief Compute integration point point sources and associated data | ||
| 130 | * | ||
| 131 | * This method uses grid glue to intersect the given grids. Over each intersection | ||
| 132 | * we later need to integrate a source term. This method places point sources | ||
| 133 | * at each quadrature point and provides the point source with the necessary | ||
| 134 | * information to compute integrals (quadrature weight and integration element) | ||
| 135 | * \param order The order of the quadrature rule for integration of sources over an intersection | ||
| 136 | * \param verbose If the point source computation is verbose | ||
| 137 | */ | ||
| 138 | 12 | void computePointSourceData(std::size_t order = 1, bool verbose = false) | |
| 139 | { | ||
| 140 | // Initialize the bulk bounding box tree | ||
| 141 |
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12 | const auto& bulkGridGeometry = this->problem(bulkIdx).gridGeometry(); |
| 142 |
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12 | const auto& lowDimGridGeometry = this->problem(lowDimIdx).gridGeometry(); |
| 143 | 12 | const auto& bulkTree = bulkGridGeometry.boundingBoxTree(); | |
| 144 | |||
| 145 | // initialize the maps | ||
| 146 | // do some logging and profiling | ||
| 147 | 12 | Dune::Timer watch; | |
| 148 | 24 | std::cout << "Initializing the point sources..." << std::endl; | |
| 149 | |||
| 150 | // clear all internal members like pointsource vectors and stencils | ||
| 151 | // initializes the point source id counter | ||
| 152 | 12 | this->clear(); | |
| 153 | 12 | extendedSourceStencil_.clear(); | |
| 154 | |||
| 155 | // precompute the vertex indices for efficiency | ||
| 156 | 12 | this->precomputeVertexIndices(bulkIdx); | |
| 157 | 12 | this->precomputeVertexIndices(lowDimIdx); | |
| 158 | |||
| 159 | // intersect the bounding box trees | ||
| 160 | 12 | this->glueGrids(); | |
| 161 | |||
| 162 | // iterate over all intersection and add point sources | ||
| 163 |
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12 | const auto& lowDimProblem = this->problem(lowDimIdx); |
| 164 |
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9465 | for (const auto& is : intersections(this->glue())) |
| 165 | { | ||
| 166 | // all inside elements are identical... | ||
| 167 | 9429 | const auto& lowDimElement = is.targetEntity(0); | |
| 168 | 18858 | const auto lowDimElementIdx = lowDimGridGeometry.elementMapper().index(lowDimElement); | |
| 169 | |||
| 170 | // get the intersection geometry | ||
| 171 | 9429 | const auto intersectionGeometry = is.geometry(); | |
| 172 | // get the Gaussian quadrature rule for the local intersection | ||
| 173 | 9429 | const auto& quad = Dune::QuadratureRules<Scalar, lowDimDim>::rule(intersectionGeometry.type(), order); | |
| 174 | |||
| 175 | // apply the Gaussian quadrature rule and define point sources at each quadrature point | ||
| 176 | // note that the approximation is not optimal if | ||
| 177 | // (a) the one-dimensional elements are too large, | ||
| 178 | // (b) whenever a one-dimensional element is split between two or more elements, | ||
| 179 | // (c) when gradients of important quantities in the three-dimensional domain are large. | ||
| 180 | |||
| 181 | // iterate over all quadrature points | ||
| 182 |
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37907 | for (auto&& qp : quad) |
| 183 | { | ||
| 184 | // global position of the quadrature point | ||
| 185 | 19240 | const auto globalPos = intersectionGeometry.global(qp.position()); | |
| 186 | |||
| 187 |
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19240 | const auto bulkElementIndices = intersectingEntities(globalPos, bulkTree); |
| 188 | |||
| 189 | // do not add a point source if the qp is outside of the 3d grid | ||
| 190 | // this is equivalent to having a source of zero for that qp | ||
| 191 |
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19240 | if (bulkElementIndices.empty()) |
| 192 | ✗ | continue; | |
| 193 | |||
| 194 | ////////////////////////////////////////////////////////// | ||
| 195 | // get circle average connectivity and interpolation data | ||
| 196 | ////////////////////////////////////////////////////////// | ||
| 197 | |||
| 198 |
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9620 | static const auto numIp = getParam<int>("MixedDimension.NumCircleSegments"); |
| 199 | 18858 | const auto radius = lowDimProblem.spatialParams().radius(lowDimElementIdx); | |
| 200 | 28860 | const auto normal = intersectionGeometry.corner(1)-intersectionGeometry.corner(0); | |
| 201 | 9620 | const auto circleAvgWeight = 2*M_PI*radius/numIp; | |
| 202 |
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9620 | const auto integrationElement = intersectionGeometry.integrationElement(qp.position()); |
| 203 | 9620 | const auto qpweight = qp.weight(); | |
| 204 | |||
| 205 |
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19240 | const auto circlePoints = EmbeddedCoupling::circlePoints(globalPos, normal, radius, numIp); |
| 206 |
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38480 | std::vector<Scalar> circleIpWeight; circleIpWeight.reserve(circlePoints.size()); |
| 207 |
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38480 | std::vector<GridIndex<bulkIdx>> circleStencil; circleStencil.reserve(circlePoints.size()); |
| 208 | |||
| 209 | // for box | ||
| 210 |
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19240 | std::vector<const std::vector<GridIndex<bulkIdx>>*> circleCornerIndices; |
| 211 | using ShapeValues = std::vector<Dune::FieldVector<Scalar, 1> >; | ||
| 212 |
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19240 | std::vector<ShapeValues> circleShapeValues; |
| 213 | |||
| 214 | // go over all points of the average operator | ||
| 215 | 9620 | int insideCirclePoints = 0; | |
| 216 |
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228522 | for (int k = 0; k < circlePoints.size(); ++k) |
| 217 | { | ||
| 218 |
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872754 | const auto circleBulkElementIndices = intersectingEntities(circlePoints[k], bulkTree); |
| 219 |
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437804 | if (circleBulkElementIndices.empty()) |
| 220 |
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1427 | continue; |
| 221 | |||
| 222 | 217475 | ++insideCirclePoints; | |
| 223 | 217475 | const auto localCircleAvgWeight = circleAvgWeight / circleBulkElementIndices.size(); | |
| 224 |
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929699 | for (const auto bulkElementIdx : circleBulkElementIndices) |
| 225 | { | ||
| 226 |
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217477 | circleStencil.push_back(bulkElementIdx); |
| 227 |
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217477 | circleIpWeight.push_back(localCircleAvgWeight); |
| 228 | |||
| 229 | // precompute interpolation data for box scheme for each cut bulk element | ||
| 230 | if constexpr (isBox<bulkIdx>()) | ||
| 231 | { | ||
| 232 |
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59797 | const auto bulkElement = bulkGridGeometry.element(bulkElementIdx); |
| 233 |
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119594 | circleCornerIndices.push_back(&(this->vertexIndices(bulkIdx, bulkElementIdx))); |
| 234 | |||
| 235 | // evaluate shape functions at the integration point | ||
| 236 | 59797 | const auto bulkGeometry = bulkElement.geometry(); | |
| 237 |
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119594 | ShapeValues shapeValues; |
| 238 |
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119594 | this->getShapeValues(bulkIdx, bulkGridGeometry, bulkGeometry, circlePoints[k], shapeValues); |
| 239 |
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59797 | circleShapeValues.emplace_back(std::move(shapeValues)); |
| 240 | } | ||
| 241 | } | ||
| 242 | } | ||
| 243 | |||
| 244 | // if the circle stencil is empty (that is the circle is entirely outside the domain) | ||
| 245 | // we do not add a (zero) point source | ||
| 246 |
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19240 | if (circleStencil.empty()) |
| 247 | ✗ | continue; | |
| 248 | |||
| 249 | // export low dim circle stencil | ||
| 250 | if constexpr (isBox<bulkIdx>()) | ||
| 251 | { | ||
| 252 | // we insert all vertices and make it unique later | ||
| 253 |
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126320 | for (const auto& vertices : circleCornerIndices) |
| 254 | { | ||
| 255 |
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119594 | this->couplingStencils(lowDimIdx)[lowDimElementIdx].insert(this->couplingStencils(lowDimIdx)[lowDimElementIdx].end(), |
| 256 | vertices->begin(), vertices->end()); | ||
| 257 | |||
| 258 | } | ||
| 259 | } | ||
| 260 | else | ||
| 261 | { | ||
| 262 |
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14756 | this->couplingStencils(lowDimIdx)[lowDimElementIdx].insert(this->couplingStencils(lowDimIdx)[lowDimElementIdx].end(), |
| 263 | circleStencil.begin(), circleStencil.end()); | ||
| 264 | } | ||
| 265 | |||
| 266 | // surface fraction that is inside the domain (only different than 1.0 on the boundary) | ||
| 267 | 9620 | const auto surfaceFraction = Scalar(insideCirclePoints)/Scalar(circlePoints.size()); | |
| 268 | |||
| 269 | // loop over the bulk elements at the integration points (usually one except when it is on a face or edge or vertex) | ||
| 270 |
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39170 | for (auto bulkElementIdx : bulkElementIndices) |
| 271 | { | ||
| 272 | 10310 | const auto id = this->idCounter_++; | |
| 273 | |||
| 274 |
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20620 | this->pointSources(bulkIdx).emplace_back(globalPos, id, qpweight, integrationElement*surfaceFraction, bulkElementIdx); |
| 275 |
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41240 | this->pointSources(bulkIdx).back().setEmbeddings(bulkElementIndices.size()); |
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20620 | this->pointSources(lowDimIdx).emplace_back(globalPos, id, qpweight, integrationElement*surfaceFraction, lowDimElementIdx); |
| 277 |
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41240 | this->pointSources(lowDimIdx).back().setEmbeddings(bulkElementIndices.size()); |
| 278 | |||
| 279 | // pre compute additional data used for the evaluation of | ||
| 280 | // the actual solution dependent source term | ||
| 281 |
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12552 | PointSourceData psData; |
| 282 | |||
| 283 | if constexpr (isBox<lowDimIdx>()) | ||
| 284 | { | ||
| 285 |
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236 | ShapeValues shapeValues; |
| 286 |
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236 | this->getShapeValues(lowDimIdx, lowDimGridGeometry, intersectionGeometry, globalPos, shapeValues); |
| 287 |
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708 | psData.addLowDimInterpolation(shapeValues, this->vertexIndices(lowDimIdx, lowDimElementIdx), lowDimElementIdx); |
| 288 | } | ||
| 289 | else | ||
| 290 | { | ||
| 291 |
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10074 | psData.addLowDimInterpolation(lowDimElementIdx); |
| 292 | } | ||
| 293 | |||
| 294 | // add data needed to compute integral over the circle | ||
| 295 | if constexpr (isBox<bulkIdx>()) | ||
| 296 | { | ||
| 297 |
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2242 | psData.addCircleInterpolation(circleCornerIndices, circleShapeValues, circleIpWeight, circleStencil); |
| 298 | |||
| 299 |
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2242 | const auto bulkGeometry = bulkGridGeometry.element(bulkElementIdx).geometry(); |
| 300 |
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2242 | ShapeValues shapeValues; |
| 301 |
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2242 | this->getShapeValues(bulkIdx, bulkGridGeometry, bulkGeometry, globalPos, shapeValues); |
| 302 |
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6726 | psData.addBulkInterpolation(shapeValues, this->vertexIndices(bulkIdx, bulkElementIdx), bulkElementIdx); |
| 303 | } | ||
| 304 | else | ||
| 305 | { | ||
| 306 |
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8068 | psData.addCircleInterpolation(circleIpWeight, circleStencil); |
| 307 |
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8068 | psData.addBulkInterpolation(bulkElementIdx); |
| 308 | } | ||
| 309 | |||
| 310 | // publish point source data in the global vector | ||
| 311 |
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20620 | this->pointSourceData().emplace_back(std::move(psData)); |
| 312 | |||
| 313 | // mean distance to outside element for source correction schemes | ||
| 314 |
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10310 | const auto outsideGeometry = bulkGridGeometry.element(bulkElementIdx).geometry(); |
| 315 |
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20620 | this->averageDistanceToBulkCell().push_back(averageDistancePointGeometry(globalPos, outsideGeometry)); |
| 316 | |||
| 317 | // export the bulk coupling stencil | ||
| 318 | if constexpr (isBox<lowDimIdx>()) | ||
| 319 | { | ||
| 320 |
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472 | this->couplingStencils(bulkIdx)[bulkElementIdx].insert(this->couplingStencils(bulkIdx)[bulkElementIdx].end(), |
| 321 |
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472 | this->vertexIndices(lowDimIdx, lowDimElementIdx).begin(), |
| 322 |
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472 | this->vertexIndices(lowDimIdx, lowDimElementIdx).end()); |
| 323 | |||
| 324 | } | ||
| 325 | else | ||
| 326 | { | ||
| 327 |
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20148 | this->couplingStencils(bulkIdx)[bulkElementIdx].push_back(lowDimElementIdx); |
| 328 | } | ||
| 329 | |||
| 330 | // export bulk circle stencil | ||
| 331 | if constexpr (isBox<bulkIdx>()) | ||
| 332 | { | ||
| 333 | // we insert all vertices and make it unique later | ||
| 334 |
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126320 | for (const auto& vertices : circleCornerIndices) |
| 335 | { | ||
| 336 |
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119594 | extendedSourceStencil_.stencil()[bulkElementIdx].insert(extendedSourceStencil_.stencil()[bulkElementIdx].end(), |
| 337 | vertices->begin(), vertices->end()); | ||
| 338 | |||
| 339 | } | ||
| 340 | } | ||
| 341 | else | ||
| 342 | { | ||
| 343 |
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16136 | extendedSourceStencil_.stencil()[bulkElementIdx].insert(extendedSourceStencil_.stencil()[bulkElementIdx].end(), |
| 344 | circleStencil.begin(), circleStencil.end()); | ||
| 345 | } | ||
| 346 | } | ||
| 347 | } | ||
| 348 | } | ||
| 349 | |||
| 350 | // make the circle stencil unique (for source derivatives) | ||
| 351 |
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2432 | for (auto&& stencil : extendedSourceStencil_.stencil()) |
| 352 | { | ||
| 353 | 7152 | std::sort(stencil.second.begin(), stencil.second.end()); | |
| 354 | 11920 | stencil.second.erase(std::unique(stencil.second.begin(), stencil.second.end()), stencil.second.end()); | |
| 355 | |||
| 356 | // remove the vertices element (box) | ||
| 357 | if constexpr (isBox<bulkIdx>()) | ||
| 358 | { | ||
| 359 | 283 | const auto& indices = this->vertexIndices(bulkIdx, stencil.first); | |
| 360 | 1415 | stencil.second.erase(std::remove_if(stencil.second.begin(), stencil.second.end(), | |
| 361 | 30728 | [&](auto i){ return std::find(indices.begin(), indices.end(), i) != indices.end(); }), | |
| 362 | stencil.second.end()); | ||
| 363 | } | ||
| 364 | // remove the own element (cell-centered) | ||
| 365 | else | ||
| 366 | { | ||
| 367 | 10505 | stencil.second.erase(std::remove_if(stencil.second.begin(), stencil.second.end(), | |
| 368 |
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6505 | [&](auto i){ return i == stencil.first; }), |
| 369 | stencil.second.end()); | ||
| 370 | } | ||
| 371 | } | ||
| 372 | |||
| 373 | // make stencils unique | ||
| 374 | using namespace Dune::Hybrid; | ||
| 375 | 108 | forEach(integralRange(Dune::index_constant<2>{}), [&](const auto domainIdx) | |
| 376 | { | ||
| 377 |
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9584 | for (auto&& stencil : this->couplingStencils(domainIdx)) |
| 378 | { | ||
| 379 | 28464 | std::sort(stencil.second.begin(), stencil.second.end()); | |
| 380 | 47440 | stencil.second.erase(std::unique(stencil.second.begin(), stencil.second.end()), stencil.second.end()); | |
| 381 | } | ||
| 382 | }); | ||
| 383 | |||
| 384 | 36 | std::cout << "took " << watch.elapsed() << " seconds." << std::endl; | |
| 385 | 12 | } | |
| 386 | |||
| 387 | //! Compute the low dim volume fraction in the bulk domain cells | ||
| 388 | 12 | void computeLowDimVolumeFractions() | |
| 389 | { | ||
| 390 | // resize the storage vector | ||
| 391 |
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12 | lowDimVolumeInBulkElement_.resize(this->gridView(bulkIdx).size(0)); |
| 392 | // get references to the grid geometries | ||
| 393 |
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12 | const auto& lowDimGridGeometry = this->problem(lowDimIdx).gridGeometry(); |
| 394 |
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12 | const auto& bulkGridGeometry = this->problem(bulkIdx).gridGeometry(); |
| 395 | |||
| 396 | // compute the low dim volume fractions | ||
| 397 |
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9465 | for (const auto& is : intersections(this->glue())) |
| 398 | { | ||
| 399 | // all inside elements are identical... | ||
| 400 | 9429 | const auto& inside = is.targetEntity(0); | |
| 401 | 9429 | const auto intersectionGeometry = is.geometry(); | |
| 402 |
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18858 | const auto lowDimElementIdx = lowDimGridGeometry.elementMapper().index(inside); |
| 403 | |||
| 404 | // compute the volume the low-dim domain occupies in the bulk domain if it were full-dimensional | ||
| 405 |
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9429 | const auto radius = this->problem(lowDimIdx).spatialParams().radius(lowDimElementIdx); |
| 406 |
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28977 | for (int outsideIdx = 0; outsideIdx < is.numDomainNeighbors(); ++outsideIdx) |
| 407 | { | ||
| 408 | 9774 | const auto& outside = is.domainEntity(outsideIdx); | |
| 409 | 19548 | const auto bulkElementIdx = bulkGridGeometry.elementMapper().index(outside); | |
| 410 | 29322 | lowDimVolumeInBulkElement_[bulkElementIdx] += intersectionGeometry.volume()*M_PI*radius*radius; | |
| 411 | } | ||
| 412 | } | ||
| 413 | 12 | } | |
| 414 | |||
| 415 | /*! | ||
| 416 | * \brief Methods to be accessed by the subproblems | ||
| 417 | */ | ||
| 418 | // \{ | ||
| 419 | |||
| 420 | //! Return a reference to the bulk problem | ||
| 421 | 5520620 | Scalar radius(std::size_t id) const | |
| 422 | { | ||
| 423 |
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11388352 | const auto& data = this->pointSourceData()[id]; |
| 424 |
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5694176 | return this->problem(lowDimIdx).spatialParams().radius(data.lowDimElementIdx()); |
| 425 | } | ||
| 426 | |||
| 427 | //! The volume the lower dimensional domain occupies in the bulk domain element | ||
| 428 | // For one-dimensional low dim domain we assume radial tubes | ||
| 429 | Scalar lowDimVolume(const Element<bulkIdx>& element) const | ||
| 430 | { | ||
| 431 | const auto eIdx = this->problem(bulkIdx).gridGeometry().elementMapper().index(element); | ||
| 432 | return lowDimVolumeInBulkElement_[eIdx]; | ||
| 433 | } | ||
| 434 | |||
| 435 | //! The volume fraction the lower dimensional domain occupies in the bulk domain element | ||
| 436 | // For one-dimensional low dim domain we assume radial tubes | ||
| 437 | Scalar lowDimVolumeFraction(const Element<bulkIdx>& element) const | ||
| 438 | { | ||
| 439 | const auto totalVolume = element.geometry().volume(); | ||
| 440 | return lowDimVolume(element) / totalVolume; | ||
| 441 | } | ||
| 442 | |||
| 443 | // \} | ||
| 444 | |||
| 445 | /*! | ||
| 446 | * \brief Extended source stencil (for the bulk domain) | ||
| 447 | */ | ||
| 448 | const typename ParentType::template CouplingStencils<bulkIdx>::mapped_type& | ||
| 449 | 673744 | extendedSourceStencil(std::size_t eIdx) const | |
| 450 | { | ||
| 451 | 673744 | const auto& sourceStencils = extendedSourceStencil_.stencil(); | |
| 452 |
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2021232 | if (auto stencil = sourceStencils.find(eIdx); stencil != sourceStencils.end()) |
| 453 | 9536 | return stencil->second; | |
| 454 | |||
| 455 | 1337952 | return this->emptyStencil(bulkIdx); | |
| 456 | } | ||
| 457 | |||
| 458 | private: | ||
| 459 | //! the extended source stencil object | ||
| 460 | EmbeddedCoupling::ExtendedSourceStencil<ThisType> extendedSourceStencil_; | ||
| 461 | |||
| 462 | //! vector for the volume fraction of the lowdim domain in the bulk domain cells | ||
| 463 | std::vector<Scalar> lowDimVolumeInBulkElement_; | ||
| 464 | }; | ||
| 465 | |||
| 466 | //! we support multithreaded assembly | ||
| 467 | template<class MDTraits> | ||
| 468 | struct CouplingManagerSupportsMultithreadedAssembly<Embedded1d3dCouplingManager<MDTraits, Embedded1d3dCouplingMode::Average>> | ||
| 469 | : public std::true_type {}; | ||
| 470 | |||
| 471 | } // end namespace Dumux | ||
| 472 | |||
| 473 | #endif | ||
| 474 |