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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 TwoPTwoCTests | ||
| 10 | * \brief Evaporation problem where two components with constant properties mix and evaporate. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_EVAPORATION_CONSTANT_COMPONENT_PROBLEM_HH | ||
| 14 | #define DUMUX_EVAPORATION_CONSTANT_COMPONENT_PROBLEM_HH | ||
| 15 | |||
| 16 | #include <dumux/common/properties.hh> | ||
| 17 | #include <dumux/common/parameters.hh> | ||
| 18 | #include <dumux/common/boundarytypes.hh> | ||
| 19 | #include <dumux/common/numeqvector.hh> | ||
| 20 | |||
| 21 | #include <dumux/porousmediumflow/problem.hh> | ||
| 22 | |||
| 23 | namespace Dumux { | ||
| 24 | |||
| 25 | /*! | ||
| 26 | * \ingroup TwoPTwoCModel | ||
| 27 | * \brief Evaporation problem where two components with constant properties mix and evaporate. | ||
| 28 | * | ||
| 29 | */ | ||
| 30 | template <class TypeTag > | ||
| 31 | class EvaporationConstantComponentProblem : public PorousMediumFlowProblem<TypeTag> | ||
| 32 | { | ||
| 33 | using ParentType = PorousMediumFlowProblem<TypeTag>; | ||
| 34 | |||
| 35 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 36 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 37 | using GridView = typename GridGeometry::GridView; | ||
| 38 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 39 | using ElementVolumeVariables = typename GridVariables::GridVolumeVariables::LocalView; | ||
| 40 | using ElementFluxVariablesCache = typename GridVariables::GridFluxVariablesCache::LocalView; | ||
| 41 | using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView; | ||
| 42 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 43 | using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>; | ||
| 44 | using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>; | ||
| 45 | using Indices = typename ModelTraits::Indices; | ||
| 46 | |||
| 47 | // primary variable indices | ||
| 48 | enum | ||
| 49 | { | ||
| 50 | pressureIdx = Indices::pressureIdx, | ||
| 51 | switchIdx = Indices::switchIdx, | ||
| 52 | temperatureIdx = Indices::temperatureIdx, | ||
| 53 | energyEqIdx = Indices::energyEqIdx | ||
| 54 | }; | ||
| 55 | |||
| 56 | // equation indices | ||
| 57 | enum | ||
| 58 | { | ||
| 59 | contiH2OEqIdx = Indices::conti0EqIdx + FluidSystem::comp0Idx, | ||
| 60 | contiN2EqIdx = Indices::conti0EqIdx + FluidSystem::comp1Idx | ||
| 61 | }; | ||
| 62 | |||
| 63 | using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>; | ||
| 64 | using NumEqVector = Dumux::NumEqVector<PrimaryVariables>; | ||
| 65 | using BoundaryTypes = Dumux::BoundaryTypes<GetPropType<TypeTag, Properties::ModelTraits>::numEq()>; | ||
| 66 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 67 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 68 | |||
| 69 | //! Property that defines whether mole or mass fractions are used | ||
| 70 | static constexpr bool useMoles = ModelTraits::useMoles(); | ||
| 71 | |||
| 72 | public: | ||
| 73 | 4 | EvaporationConstantComponentProblem(std::shared_ptr<const GridGeometry> gridGeometry) | |
| 74 |
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12 | : ParentType(gridGeometry) |
| 75 | { | ||
| 76 |
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4 | FluidSystem::init(); |
| 77 | |||
| 78 |
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4 | name_ = getParam<std::string>("Problem.Name"); |
| 79 | |||
| 80 | //stating in the console whether mole or mass fractions are used | ||
| 81 | if(useMoles) | ||
| 82 |
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8 | std::cout << "The problem uses mole-fractions" << std::endl; |
| 83 | else | ||
| 84 | std::cout << "The problem uses mass-fractions" << std::endl; | ||
| 85 | 4 | } | |
| 86 | |||
| 87 | |||
| 88 | /*! | ||
| 89 | * \brief The problem name. | ||
| 90 | * | ||
| 91 | * This is used as a prefix for files generated by the simulation. | ||
| 92 | */ | ||
| 93 | const std::string& name() const | ||
| 94 |
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4 | { return name_; } |
| 95 | |||
| 96 | /*! | ||
| 97 | * \brief Specifies which kind of boundary condition should be | ||
| 98 | * used for which equation on a given boundary segment. | ||
| 99 | * | ||
| 100 | * \param globalPos The position for which the bc type should be evaluated | ||
| 101 | */ | ||
| 102 | ✗ | BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const | |
| 103 | { | ||
| 104 | ✗ | BoundaryTypes bcTypes; | |
| 105 | ✗ | if(globalPos[0] < eps_) | |
| 106 | bcTypes.setAllDirichlet(); | ||
| 107 | else | ||
| 108 | bcTypes.setAllNeumann(); | ||
| 109 | |||
| 110 | ✗ | return bcTypes; | |
| 111 | } | ||
| 112 | |||
| 113 | /*! | ||
| 114 | * \brief Evaluates the boundary conditions for a Neumann boundary segment. | ||
| 115 | * | ||
| 116 | * \param element The finite element | ||
| 117 | * \param fvGeometry The finite volume geometry of the element | ||
| 118 | * \param elemVolVars The element volume variables | ||
| 119 | * \param elemFluxVarsCache Flux variables caches for all faces in stencil | ||
| 120 | * \param scvf The sub-control volume face | ||
| 121 | * | ||
| 122 | * Negative values mean influx. | ||
| 123 | */ | ||
| 124 | 70960 | NumEqVector neumann(const Element& element, | |
| 125 | const FVElementGeometry& fvGeometry, | ||
| 126 | const ElementVolumeVariables& elemVolVars, | ||
| 127 | const ElementFluxVariablesCache& elemFluxVarsCache, | ||
| 128 | const SubControlVolumeFace& scvf) const | ||
| 129 | { | ||
| 130 | 70960 | NumEqVector values(0.0); | |
| 131 |
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80560 | const auto& globalPos = scvf.ipGlobal(); |
| 132 |
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141920 | const auto& volVars = elemVolVars[scvf.insideScvIdx()]; |
| 133 | 70960 | Scalar boundaryLayerThickness = 0.0016; | |
| 134 | //right side | ||
| 135 |
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354800 | if (globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_) |
| 136 | { | ||
| 137 | 24000 | Scalar massFracInside = volVars.massFraction(FluidSystem::phase1Idx, FluidSystem::comp0Idx); | |
| 138 | 24000 | Scalar massFracRef = 0.0; | |
| 139 | 24000 | Scalar evaporationRate = volVars.diffusionCoefficient(FluidSystem::phase1Idx, FluidSystem::comp1Idx, FluidSystem::comp0Idx) | |
| 140 | 24000 | * (massFracInside - massFracRef) | |
| 141 | 24000 | / boundaryLayerThickness | |
| 142 | 24000 | * volVars.density(FluidSystem::phase1Idx); | |
| 143 | 24000 | values[Indices::conti0EqIdx] = evaporationRate; | |
| 144 | 24000 | values[Indices::conti0EqIdx+1] = -evaporationRate; | |
| 145 | |||
| 146 | 24000 | values[Indices::energyEqIdx] = FluidSystem::enthalpy(volVars.fluidState(), FluidSystem::phase1Idx) * evaporationRate; | |
| 147 | 48000 | values[Indices::energyEqIdx] += FluidSystem::thermalConductivity(volVars.fluidState(), FluidSystem::phase1Idx) | |
| 148 | 48000 | * (volVars.temperature() - 293.15)/boundaryLayerThickness; | |
| 149 | } | ||
| 150 | 70960 | return values; | |
| 151 | } | ||
| 152 | |||
| 153 | /*! | ||
| 154 | * \brief Evaluates the boundary conditions for a Dirichlet boundary segment. | ||
| 155 | * | ||
| 156 | * \param globalPos The position for which the Dirichlet condition should be evaluated | ||
| 157 | */ | ||
| 158 | ✗ | PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const | |
| 159 | { | ||
| 160 | 4040 | PrimaryVariables priVars(0.0); | |
| 161 | 4040 | priVars.setState(Indices::bothPhases); | |
| 162 | 4040 | priVars[pressureIdx] = 1.e5; | |
| 163 | 4040 | priVars[switchIdx] = 0.6; //sn | |
| 164 | 8080 | priVars[temperatureIdx] = 298.15; | |
| 165 | |||
| 166 | ✗ | return priVars; | |
| 167 | |||
| 168 | } | ||
| 169 | |||
| 170 | |||
| 171 | |||
| 172 | /*! | ||
| 173 | * \brief Evaluates the initial value for a control volume. | ||
| 174 | * | ||
| 175 | * \param globalPos The position for which the initial condition should be evaluated | ||
| 176 | * | ||
| 177 | * For this method, the \a values parameter stores primary | ||
| 178 | * variables. | ||
| 179 | */ | ||
| 180 | ✗ | PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const | |
| 181 | { | ||
| 182 | ✗ | PrimaryVariables priVars(0.0); | |
| 183 | ✗ | priVars.setState(Indices::bothPhases); | |
| 184 | ✗ | priVars[pressureIdx] = 1e5; | |
| 185 | ✗ | priVars[switchIdx] = 0.6; //sn | |
| 186 | ✗ | priVars[temperatureIdx] = 293.15; | |
| 187 | ✗ | return priVars; | |
| 188 | } | ||
| 189 | |||
| 190 | private: | ||
| 191 | |||
| 192 | static constexpr Scalar eps_ = 1e-2; | ||
| 193 | std::string name_; | ||
| 194 | }; | ||
| 195 | |||
| 196 | } // end namespace Dumux | ||
| 197 | |||
| 198 | #endif | ||
| 199 |