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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 NavierStokesTests | ||
| 10 | * \brief Darcy Brinkman model for a single-domain evaluation of coupled freeflow and porous medium flows | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_BRINKMAN_TEST_PROBLEM_HH | ||
| 14 | #define DUMUX_BRINKMAN_TEST_PROBLEM_HH | ||
| 15 | |||
| 16 | #include <dumux/common/parameters.hh> | ||
| 17 | #include <dumux/common/properties.hh> | ||
| 18 | |||
| 19 | #include <dumux/freeflow/navierstokes/boundarytypes.hh> | ||
| 20 | |||
| 21 | #include <dumux/freeflow/navierstokes/momentum/fluxhelper.hh> | ||
| 22 | #include <dumux/freeflow/navierstokes/momentum/brinkman.hh> | ||
| 23 | #include <dumux/freeflow/navierstokes/scalarfluxhelper.hh> | ||
| 24 | #include <dumux/freeflow/navierstokes/mass/1p/advectiveflux.hh> | ||
| 25 | |||
| 26 | namespace Dumux { | ||
| 27 | |||
| 28 | /*! | ||
| 29 | * \ingroup NavierStokesTests | ||
| 30 | * \brief Darcy Brinkman model for a single-domain evaluation of coupled freeflow and porous medium flows | ||
| 31 | */ | ||
| 32 | template <class TypeTag, class BaseProblem> | ||
| 33 | class BrinkmanProblem : public BaseProblem | ||
| 34 | { | ||
| 35 | using ParentType = BaseProblem; | ||
| 36 | using BoundaryTypes = typename ParentType::BoundaryTypes; | ||
| 37 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 38 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 39 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 40 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 41 | using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>; | ||
| 42 | using InitialValues = typename ParentType::InitialValues; | ||
| 43 | using Sources = typename ParentType::Sources; | ||
| 44 | using DirichletValues = typename ParentType::DirichletValues; | ||
| 45 | using BoundaryFluxes = typename ParentType::BoundaryFluxes; | ||
| 46 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 47 | using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>; | ||
| 48 | |||
| 49 | static constexpr auto dimWorld = GridGeometry::GridView::dimensionworld; | ||
| 50 | static constexpr auto dim = GridGeometry::GridView::dimension; | ||
| 51 | using Element = typename FVElementGeometry::Element; | ||
| 52 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 53 | |||
| 54 | using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>; | ||
| 55 | using SpatialParams = GetPropType<TypeTag, Properties::SpatialParams>; | ||
| 56 | using PermeabilityType = typename SpatialParams::PermeabilityType; | ||
| 57 | |||
| 58 | public: | ||
| 59 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 60 | |||
| 61 | 8 | BrinkmanProblem(std::shared_ptr<const GridGeometry> gridGeometry, | |
| 62 | std::shared_ptr<CouplingManager> couplingManager) | ||
| 63 |
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32 | : ParentType(gridGeometry, couplingManager) |
| 64 | { | ||
| 65 |
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8 | deltaP_ = getParam<Scalar>("Problem.PressureDifference"); |
| 66 |
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8 | dynamicViscosity_ = getParam<Scalar>("Component.LiquidKinematicViscosity", 1.0) |
| 67 |
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8 | * getParam<Scalar>("Component.LiquidDensity", 1.0); |
| 68 |
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8 | problemName_ = getParam<std::string>("Problem.Name"); |
| 69 | |||
| 70 |
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8 | storeBrinkmanParamsForOutput_(); |
| 71 | 8 | } | |
| 72 | |||
| 73 | |||
| 74 | /*! | ||
| 75 | * \brief The problem name. | ||
| 76 | */ | ||
| 77 | const std::string& name() const | ||
| 78 |
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2 | { return problemName_ ; } |
| 79 | |||
| 80 | /*! | ||
| 81 | * \brief Specifies which kind of boundary condition should be | ||
| 82 | * used for which equation on a given boundary control volume. | ||
| 83 | * | ||
| 84 | * \param globalPos The position of the center of the finite volume | ||
| 85 | */ | ||
| 86 | 9360 | BoundaryTypes boundaryTypesAtPos(const GlobalPosition& globalPos) const | |
| 87 | { | ||
| 88 |
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17668 | BoundaryTypes values; |
| 89 | |||
| 90 | if constexpr (ParentType::isMomentumProblem()) | ||
| 91 | { | ||
| 92 | 30936 | if (onLowerBoundary_(globalPos) || onUpperBoundary_(globalPos)) | |
| 93 | values.setAllDirichlet(); | ||
| 94 | else | ||
| 95 | values.setAllNeumann(); | ||
| 96 | } | ||
| 97 | else | ||
| 98 |
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16616 | values.setNeumann(Indices::conti0EqIdx); |
| 99 | |||
| 100 | 9360 | return values; | |
| 101 | } | ||
| 102 | |||
| 103 | /*! | ||
| 104 | * \brief Evaluates the boundary conditions for a Dirichlet control volume. | ||
| 105 | * | ||
| 106 | * \param globalPos The center of the finite volume which ought to be set. | ||
| 107 | */ | ||
| 108 | ✗ | DirichletValues dirichletAtPos(const GlobalPosition &globalPos) const | |
| 109 | { | ||
| 110 | // no-flow/no-slip | ||
| 111 | 5064 | return DirichletValues(0.0); | |
| 112 | } | ||
| 113 | |||
| 114 | /*! | ||
| 115 | * \brief Evaluates the boundary conditions for a Neumann control volume. | ||
| 116 | * | ||
| 117 | * \param element The element for which the Neumann boundary condition is set | ||
| 118 | * \param fvGeometry The fvGeometry | ||
| 119 | * \param elemVolVars The element volume variables | ||
| 120 | * \param elemFaceVars The element face variables | ||
| 121 | * \param scvf The boundary sub control volume face | ||
| 122 | */ | ||
| 123 | template<class ElementVolumeVariables, class ElementFluxVariablesCache> | ||
| 124 | 42640 | BoundaryFluxes neumann(const Element& element, | |
| 125 | const FVElementGeometry& fvGeometry, | ||
| 126 | const ElementVolumeVariables& elemVolVars, | ||
| 127 | const ElementFluxVariablesCache& elemFluxVarsCache, | ||
| 128 | const SubControlVolumeFace& scvf) const | ||
| 129 | { | ||
| 130 |
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47840 | BoundaryFluxes values(0.0); |
| 131 |
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53040 | const auto& globalPos = scvf.ipGlobal(); |
| 132 | |||
| 133 | 47840 | const auto pRef = referencePressure(); | |
| 134 | 81640 | const auto p = isInlet_(globalPos) ? pRef + deltaP_ : pRef; | |
| 135 | |||
| 136 | using DM = typename FVElementGeometry::GridGeometry::DiscretizationMethod; | ||
| 137 | if constexpr (ParentType::isMomentumProblem()) | ||
| 138 | { | ||
| 139 | if constexpr (DiscretizationMethods::isCVFE<DM>) | ||
| 140 | { | ||
| 141 | 9360 | const auto mu = this->effectiveViscosity(element, fvGeometry, scvf); | |
| 142 | 9360 | const auto& fluxVarCache = elemFluxVarsCache[scvf]; | |
| 143 | 9360 | Dune::FieldMatrix<Scalar, dimWorld, dimWorld> gradV(0.0); | |
| 144 |
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56160 | for (const auto& scv : scvs(fvGeometry)) |
| 145 | { | ||
| 146 | 37440 | const auto& volVars = elemVolVars[scv]; | |
| 147 |
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112320 | for (int dir = 0; dir < dimWorld; ++dir) |
| 148 | 374400 | gradV[dir].axpy(volVars.velocity(dir), fluxVarCache.gradN(scv.indexInElement())); | |
| 149 | } | ||
| 150 | 18720 | gradV.mtv(-mu*scvf.unitOuterNormal(), values); // - μ ∇v^T n | |
| 151 | 9360 | values.axpy(p, scvf.unitOuterNormal()); // + p n | |
| 152 | } | ||
| 153 | else | ||
| 154 | ✗ | values = NavierStokesMomentumBoundaryFluxHelper::fixedPressureMomentumFlux( | |
| 155 | *this, fvGeometry, scvf, elemVolVars, elemFluxVarsCache, p | ||
| 156 | ); | ||
| 157 | } | ||
| 158 | else | ||
| 159 | { | ||
| 160 | if constexpr (DiscretizationMethods::isCVFE<DM>) | ||
| 161 | 33280 | values = (this->faceVelocity(element, fvGeometry, scvf) * scvf.unitOuterNormal()) | |
| 162 | 133120 | * elemVolVars[scvf.insideScvIdx()].density(); | |
| 163 | else | ||
| 164 | 5200 | values = NavierStokesScalarBoundaryFluxHelper<AdvectiveFlux<ModelTraits>>::scalarOutflowFlux( | |
| 165 | *this, element, fvGeometry, scvf, elemVolVars | ||
| 166 | ); | ||
| 167 | } | ||
| 168 | |||
| 169 | 42640 | return values; | |
| 170 | } | ||
| 171 | |||
| 172 | template<class ... Args> | ||
| 173 | ✗ | Scalar referencePressure(Args&&...) const | |
| 174 | ✗ | { return 0.0; } | |
| 175 | |||
| 176 | //! Add the Brinkman term via the source using the helper function addBrinkmanTerm | ||
| 177 | template <class ElementVolumeVariables> | ||
| 178 | ✗ | Sources source(const Element& element, | |
| 179 | const FVElementGeometry& fvGeometry, | ||
| 180 | const ElementVolumeVariables& elemVolVars, | ||
| 181 | const SubControlVolume& scv) const | ||
| 182 | { | ||
| 183 |
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2705120 | Sources source(0.0); |
| 184 | if constexpr (ParentType::isMomentumProblem()) | ||
| 185 | 1178720 | addBrinkmanTerm(source, *this, element, fvGeometry, elemVolVars, scv); | |
| 186 | 1178720 | return source; | |
| 187 | } | ||
| 188 | |||
| 189 | const std::vector<PermeabilityType> permeabilityOutput() const | ||
| 190 |
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2 | { return outputPermeability_; } |
| 191 | |||
| 192 | const std::vector<Scalar> brinkmanEpsilon() const | ||
| 193 |
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2 | { return outputBrinkmanEpsilon_; } |
| 194 | |||
| 195 | private: | ||
| 196 | bool isInlet_(const GlobalPosition& globalPos) const | ||
| 197 |
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132600 | { return globalPos[0] < this->gridGeometry().bBoxMin()[0] + eps_; } |
| 198 | |||
| 199 | bool isOutlet_(const GlobalPosition& globalPos) const | ||
| 200 | { return globalPos[0] > this->gridGeometry().bBoxMin()[0] + eps_; } | ||
| 201 | |||
| 202 | bool onLowerBoundary_(const GlobalPosition &globalPos) const | ||
| 203 |
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23400 | { return globalPos[1] < this->gridGeometry().bBoxMin()[1] + eps_; } |
| 204 | |||
| 205 | bool onUpperBoundary_(const GlobalPosition &globalPos) const | ||
| 206 |
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15270 | { return globalPos[1] > this->gridGeometry().bBoxMax()[1] - eps_; } |
| 207 | |||
| 208 | 4 | void storeBrinkmanParamsForOutput_() | |
| 209 | { | ||
| 210 | if constexpr (!ParentType::isMomentumProblem()) | ||
| 211 | { | ||
| 212 | 12 | outputPermeability_.resize(this->gridGeometry().gridView().size(0)); | |
| 213 | 12 | outputBrinkmanEpsilon_.resize(this->gridGeometry().gridView().size(0)); | |
| 214 |
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43216 | for (const auto& element : elements(this->gridGeometry().gridView())) |
| 215 | { | ||
| 216 |
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64800 | const auto eIdx = this->gridGeometry().elementMapper().index(element); |
| 217 |
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50400 | outputPermeability_[eIdx] = this->spatialParams().permeabilityAtPos(element.geometry().center()); |
| 218 |
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50400 | outputBrinkmanEpsilon_[eIdx] = this->spatialParams().brinkmanEpsilonAtPos(element.geometry().center()); |
| 219 | } | ||
| 220 | } | ||
| 221 | 4 | } | |
| 222 | |||
| 223 | static constexpr Scalar eps_ = 1e-6; | ||
| 224 | Scalar dynamicViscosity_; | ||
| 225 | Scalar deltaP_; | ||
| 226 | |||
| 227 | std::vector<PermeabilityType> outputPermeability_; | ||
| 228 | std::vector<Scalar> outputBrinkmanEpsilon_; | ||
| 229 | |||
| 230 | std::string problemName_; | ||
| 231 | |||
| 232 | }; | ||
| 233 | |||
| 234 | } // end namespace Dumux | ||
| 235 | |||
| 236 | #endif | ||
| 237 |