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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 EmbeddedTests | ||
| 10 | * \brief A test problem for the one-phase root model: | ||
| 11 | * Sap is flowing through a 1d network root xylem. | ||
| 12 | */ | ||
| 13 | |||
| 14 | #ifndef DUMUX_ROOT_PROBLEM_HH | ||
| 15 | #define DUMUX_ROOT_PROBLEM_HH | ||
| 16 | |||
| 17 | #include <dumux/common/boundarytypes.hh> | ||
| 18 | #include <dumux/common/parameters.hh> | ||
| 19 | #include <dumux/common/properties.hh> | ||
| 20 | #include <dumux/common/numeqvector.hh> | ||
| 21 | |||
| 22 | #include <dumux/porousmediumflow/problem.hh> | ||
| 23 | #include <dumux/multidomain/embedded/couplingmanager1d3d_projection.hh> | ||
| 24 | namespace Dumux { | ||
| 25 | |||
| 26 | /*! | ||
| 27 | * \ingroup EmbeddedTests | ||
| 28 | * \brief Exact solution 1D-3D. | ||
| 29 | */ | ||
| 30 | template <class TypeTag> | ||
| 31 | class RootProblem : public PorousMediumFlowProblem<TypeTag> | ||
| 32 | { | ||
| 33 | using ParentType = PorousMediumFlowProblem<TypeTag>; | ||
| 34 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 35 | using PointSource = GetPropType<TypeTag, Properties::PointSource>; | ||
| 36 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 37 | using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>; | ||
| 38 | using NeumannFluxes = Dumux::NumEqVector<PrimaryVariables>; | ||
| 39 | using BoundaryTypes = Dumux::BoundaryTypes<GetPropType<TypeTag, Properties::ModelTraits>::numEq()>; | ||
| 40 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 41 | using GridView = typename GridGeometry::GridView; | ||
| 42 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 43 | using SubControlVolume = typename GridGeometry::SubControlVolume; | ||
| 44 | using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace; | ||
| 45 | using GlobalPosition = typename GridGeometry::GlobalCoordinate; | ||
| 46 | using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>; | ||
| 47 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 48 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 49 | using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>; | ||
| 50 | |||
| 51 | public: | ||
| 52 | |||
| 53 | template<class SpatialParams> | ||
| 54 | 3 | RootProblem(std::shared_ptr<const GridGeometry> gridGeometry, | |
| 55 | std::shared_ptr<SpatialParams> spatialParams, | ||
| 56 | std::shared_ptr<CouplingManager> couplingManager) | ||
| 57 | : ParentType(gridGeometry, spatialParams, "Root") | ||
| 58 |
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12 | , couplingManager_(couplingManager) |
| 59 | { | ||
| 60 | // read parameters from input file | ||
| 61 |
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6 | name_ = getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name"); |
| 62 |
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3 | transpirationRate_ = getParam<Scalar>("BoundaryConditions.TranspirationRate"); |
| 63 | 3 | } | |
| 64 | |||
| 65 | /*! | ||
| 66 | * \name Problem parameters | ||
| 67 | */ | ||
| 68 | // \{ | ||
| 69 | |||
| 70 | /*! | ||
| 71 | * \brief The problem name. | ||
| 72 | * | ||
| 73 | * This is used as a prefix for files generated by the simulation. | ||
| 74 | */ | ||
| 75 | const std::string& name() const | ||
| 76 |
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3 | { return name_; } |
| 77 | |||
| 78 | // \} | ||
| 79 | /*! | ||
| 80 | * \name Boundary conditions | ||
| 81 | */ | ||
| 82 | // \{ | ||
| 83 | |||
| 84 | /*! | ||
| 85 | * \brief Specifies which kind of boundary condition should be | ||
| 86 | * used for which equation on a given boundary segment. | ||
| 87 | * | ||
| 88 | * \param globalPos The global position | ||
| 89 | */ | ||
| 90 | ✗ | BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const | |
| 91 | { | ||
| 92 |
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11035 | BoundaryTypes values; |
| 93 |
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11035 | values.setAllNeumann(); |
| 94 | ✗ | return values; | |
| 95 | } | ||
| 96 | |||
| 97 | /*! | ||
| 98 | * \brief Evaluates the boundary conditions for a Dirichlet control volume. | ||
| 99 | * | ||
| 100 | * \param globalPos The global position | ||
| 101 | * | ||
| 102 | * For this method, the \a values parameter stores primary variables. | ||
| 103 | */ | ||
| 104 | ✗ | PrimaryVariables dirichletAtPos(const GlobalPosition& globalPos) const | |
| 105 | ✗ | { return initialAtPos(globalPos); } | |
| 106 | |||
| 107 | |||
| 108 | /*! | ||
| 109 | * \brief Evaluates the boundary conditions for a Neumann boundary segment. | ||
| 110 | * | ||
| 111 | * For this method, the \a priVars parameter stores the mass flux | ||
| 112 | * in normal direction of each component. Negative values mean | ||
| 113 | * influx. | ||
| 114 | */ | ||
| 115 | template<class ElementVolumeVariables, class ElementFluxVarsCache> | ||
| 116 | ✗ | NeumannFluxes neumann(const Element& element, | |
| 117 | const FVElementGeometry& fvGeometry, | ||
| 118 | const ElementVolumeVariables& elemVolvars, | ||
| 119 | const ElementFluxVarsCache& elemFluxVarsCache, | ||
| 120 | const SubControlVolumeFace& scvf) const | ||
| 121 | { | ||
| 122 |
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7208 | NeumannFluxes values(0.0); |
| 123 |
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43248 | if (scvf.center()[2] + eps_ > this->gridGeometry().bBoxMax()[2]) |
| 124 | { | ||
| 125 | 696 | const auto r = this->spatialParams().radius(scvf.insideScvIdx()); | |
| 126 | 232 | values[Indices::conti0EqIdx] = transpirationRate_/(M_PI*r*r)/scvf.area(); | |
| 127 | } | ||
| 128 | ✗ | return values; | |
| 129 | |||
| 130 | } | ||
| 131 | |||
| 132 | // \} | ||
| 133 | |||
| 134 | /*! | ||
| 135 | * \name Volume terms | ||
| 136 | */ | ||
| 137 | // \{ | ||
| 138 | |||
| 139 | /*! | ||
| 140 | * \brief Applies a vector of point sources which are possibly solution dependent. | ||
| 141 | * | ||
| 142 | * \param pointSources A vector of PointSource s that contain | ||
| 143 | source values for all phases and space positions. | ||
| 144 | * | ||
| 145 | * For this method, the \a values method of the point source | ||
| 146 | * has to return the absolute mass rate in kg/s. Positive values mean | ||
| 147 | * that mass is created, negative ones mean that it vanishes. | ||
| 148 | */ | ||
| 149 | void addPointSources(std::vector<PointSource>& pointSources) const | ||
| 150 |
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3 | { pointSources = this->couplingManager().lowDimPointSources(); } |
| 151 | |||
| 152 | /*! | ||
| 153 | * \brief Evaluates the point sources (added by addPointSources) | ||
| 154 | * for all phases within a given sub control volume. | ||
| 155 | * | ||
| 156 | * This is the method for the case where the point source is | ||
| 157 | * solution dependent and requires some quantities that | ||
| 158 | * are specific to the fully-implicit method. | ||
| 159 | * | ||
| 160 | * \param source A single point source | ||
| 161 | * \param element The finite element | ||
| 162 | * \param fvGeometry The finite-volume geometry | ||
| 163 | * \param elemVolVars All volume variables for the element | ||
| 164 | * \param scv The sub control volume within the element | ||
| 165 | * | ||
| 166 | * For this method, the \a values() method of the point sources returns | ||
| 167 | * the absolute rate mass generated or annihilated in kg/s. Positive values mean | ||
| 168 | * that mass is created, negative ones mean that it vanishes. | ||
| 169 | */ | ||
| 170 | template<class ElementVolumeVariables> | ||
| 171 | 14167512 | void pointSource(PointSource& source, | |
| 172 | const Element &element, | ||
| 173 | const FVElementGeometry& fvGeometry, | ||
| 174 | const ElementVolumeVariables& elemVolVars, | ||
| 175 | const SubControlVolume &scv) const | ||
| 176 | { | ||
| 177 | // compute source at every integration point | ||
| 178 | 42502536 | const Scalar pressure3D = this->couplingManager().bulkPriVars(source.id())[Indices::pressureIdx]; | |
| 179 | 42502536 | const Scalar pressure1D = this->couplingManager().lowDimPriVars(source.id())[Indices::pressureIdx]; | |
| 180 | |||
| 181 | 42502536 | const auto lowDimElementIdx = this->couplingManager().pointSourceData(source.id()).lowDimElementIdx(); | |
| 182 | 28335024 | const Scalar Kr = this->spatialParams().Kr(lowDimElementIdx); | |
| 183 | |||
| 184 | // sink defined as radial flow Jr * density [m^2 s-1]* [kg m-3] | ||
| 185 | 14167512 | const auto density = 1000; | |
| 186 | 14167512 | Scalar sourceValue = Kr *(pressure3D - pressure1D)*density; | |
| 187 | |||
| 188 | // For the projection method, we are integrating over the two-dimensional root surface | ||
| 189 | // so surface is included in the weight/integration element. | ||
| 190 | // All other currently implemented schemes are implicit interface schemes | ||
| 191 | // that assume cylindrical segments, so we multiply with the cylinder surface here | ||
| 192 | if constexpr(CouplingManager::couplingMode != Embedded1d3dCouplingMode::projection) | ||
| 193 | { | ||
| 194 | 5156844 | const Scalar rootRadius = this->spatialParams().radius(lowDimElementIdx); | |
| 195 | 1718948 | sourceValue *= 2*M_PI*rootRadius; | |
| 196 | } | ||
| 197 | |||
| 198 | 28335024 | source = sourceValue*source.quadratureWeight()*source.integrationElement(); | |
| 199 | 14167512 | } | |
| 200 | |||
| 201 | /*! | ||
| 202 | * \brief Evaluates the initial value for a control volume. | ||
| 203 | * | ||
| 204 | * For this method, the \a priVars parameter stores primary | ||
| 205 | * variables. | ||
| 206 | */ | ||
| 207 | ✗ | PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const | |
| 208 | 3520 | { return PrimaryVariables(0.0); } | |
| 209 | |||
| 210 | // \} | ||
| 211 | |||
| 212 | //! Called after every time step | ||
| 213 | //! Output the total global exchange term | ||
| 214 | 21 | void computeSourceIntegral(const SolutionVector& sol, const GridVariables& gridVars) | |
| 215 | { | ||
| 216 | 21 | PrimaryVariables source(0.0); | |
| 217 | 42 | auto fvGeometry = localView(this->gridGeometry()); | |
| 218 | 42 | auto elemVolVars = localView(gridVars.curGridVolVars()); | |
| 219 |
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24703 | for (const auto& element : elements(this->gridGeometry().gridView())) |
| 220 | { | ||
| 221 | 24640 | fvGeometry.bindElement(element); | |
| 222 | 24640 | elemVolVars.bindElement(element, fvGeometry, sol); | |
| 223 |
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98560 | for (auto&& scv : scvs(fvGeometry)) |
| 224 | { | ||
| 225 |
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24640 | auto pointSources = this->scvPointSources(element, fvGeometry, elemVolVars, scv); |
| 226 | 24640 | pointSources *= scv.volume()*elemVolVars[scv].extrusionFactor(); | |
| 227 | 24640 | source += pointSources; | |
| 228 | } | ||
| 229 | } | ||
| 230 | |||
| 231 |
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42 | std::cout << "Global integrated source (root): " << source << " (kg/s) / " |
| 232 |
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42 | << source*3600*24*1000 << " (g/day)" << '\n'; |
| 233 | 21 | } | |
| 234 | |||
| 235 | /*! | ||
| 236 | * \brief Adds additional VTK output data to the VTKWriter. | ||
| 237 | * | ||
| 238 | * Function is called by the output module on every write. | ||
| 239 | */ | ||
| 240 | template<class VtkOutputModule> | ||
| 241 | 3 | void addVtkOutputFields(VtkOutputModule& vtk) const | |
| 242 | { | ||
| 243 |
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6 | vtk.addField(this->spatialParams().getRadii(), "radius"); |
| 244 | 3 | } | |
| 245 | |||
| 246 | //! Get the coupling manager | ||
| 247 | const CouplingManager& couplingManager() const | ||
| 248 |
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28335030 | { return *couplingManager_; } |
| 249 | |||
| 250 | private: | ||
| 251 | Scalar transpirationRate_; | ||
| 252 | |||
| 253 | static constexpr Scalar eps_ = 1.5e-7; | ||
| 254 | std::string name_; | ||
| 255 | |||
| 256 | std::shared_ptr<CouplingManager> couplingManager_; | ||
| 257 | }; | ||
| 258 | |||
| 259 | } // end namespace Dumux | ||
| 260 | |||
| 261 | #endif | ||
| 262 |