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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-FileCopyrightText: 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 TwoPNCTests | ||
| 10 | * \brief Problem of a diffusion | ||
| 11 | * problem which uses the isothermal 2p2c box model. | ||
| 12 | */ | ||
| 13 | #ifndef DUMUX_TWOPNC_DIFFUSION_PROBLEM_HH | ||
| 14 | #define DUMUX_TWOPNC_DIFFUSION_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 TwoPNCTests | ||
| 27 | * \brief Problem of a diffusion | ||
| 28 | * problem which uses the isothermal 2p2c box model. | ||
| 29 | */ | ||
| 30 | template <class TypeTag> | ||
| 31 | 2 | class TwoPNCDiffusionProblem : public PorousMediumFlowProblem<TypeTag> | |
| 32 | { | ||
| 33 | using ParentType = PorousMediumFlowProblem<TypeTag>; | ||
| 34 | using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView; | ||
| 35 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 36 | using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>; | ||
| 37 | |||
| 38 | enum { | ||
| 39 | // Grid and world dimension | ||
| 40 | dim = GridView::dimension, | ||
| 41 | dimWorld = GridView::dimensionworld | ||
| 42 | }; | ||
| 43 | |||
| 44 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 45 | using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>; | ||
| 46 | using NumEqVector = Dumux::NumEqVector<PrimaryVariables>; | ||
| 47 | using BoundaryTypes = Dumux::BoundaryTypes<GetPropType<TypeTag, Properties::ModelTraits>::numEq()>; | ||
| 48 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 49 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 50 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 51 | |||
| 52 | //! Property that defines whether mole or mass fractions are used | ||
| 53 | static constexpr bool useMoles = getPropValue<TypeTag, Properties::UseMoles>(); | ||
| 54 | |||
| 55 | public: | ||
| 56 | 2 | TwoPNCDiffusionProblem(std::shared_ptr<const GridGeometry> gridGeometry) | |
| 57 |
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6 | : ParentType(gridGeometry) |
| 58 | { | ||
| 59 | // initialize the tables of the fluid system | ||
| 60 | FluidSystem::init(); | ||
| 61 | |||
| 62 |
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2 | name_ = getParam<std::string>("Problem.Name"); |
| 63 | |||
| 64 | // stating in the console whether mole or mass fractions are used | ||
| 65 | if(useMoles) | ||
| 66 | { | ||
| 67 |
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2 | std::cout<<"problem uses mole-fractions"<<std::endl; |
| 68 | } | ||
| 69 | else | ||
| 70 | { | ||
| 71 | std::cout<<"problem uses mass-fractions"<<std::endl; | ||
| 72 | } | ||
| 73 | 2 | } | |
| 74 | |||
| 75 | /*! | ||
| 76 | * \brief Returns the problem name | ||
| 77 | * | ||
| 78 | * This is used as a prefix for files generated by the simulation. | ||
| 79 | */ | ||
| 80 | 2 | const std::string& name() const | |
| 81 |
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2 | { return name_; } |
| 82 | |||
| 83 | /*! | ||
| 84 | * \brief Specifies which kind of boundary condition should be | ||
| 85 | * used for which equation on a given boundary segment | ||
| 86 | * | ||
| 87 | * \param globalPos The global position | ||
| 88 | */ | ||
| 89 | 67760 | BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const | |
| 90 | { | ||
| 91 |
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203280 | BoundaryTypes bcTypes; |
| 92 | 67760 | bcTypes.setAllDirichlet(); | |
| 93 | 67760 | return bcTypes; | |
| 94 | } | ||
| 95 | |||
| 96 | /*! | ||
| 97 | * \brief Evaluates the boundary conditions for a Dirichlet boundary segment. | ||
| 98 | * | ||
| 99 | * \param globalPos The global position | ||
| 100 | */ | ||
| 101 |
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16940 | PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const |
| 102 | { | ||
| 103 |
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16940 | PrimaryVariables priVars; |
| 104 |
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16940 | priVars.setState(Indices::firstPhaseOnly); |
| 105 | priVars[Indices::pressureIdx] = 1e5; | ||
| 106 | priVars[Indices::switchIdx] = 1e-5 ; | ||
| 107 | |||
| 108 |
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16940 | if (globalPos[0] < this->gridGeometry().bBoxMin()[0] + eps_) |
| 109 | priVars[Indices::switchIdx] = 1e-3; | ||
| 110 | |||
| 111 | return priVars; | ||
| 112 | } | ||
| 113 | |||
| 114 | /*! | ||
| 115 | * \brief Evaluates the boundary conditions for a Neumann boundary segment. | ||
| 116 | * | ||
| 117 | * For this method, the \a priVars parameter stores the mass flux | ||
| 118 | * in normal direction of each component. Negative values mean influx. | ||
| 119 | * \param globalPos The global position | ||
| 120 | * | ||
| 121 | * \note The units must be according to either using mole or mass fractions (mole/(m^2*s) or kg/(m^2*s)). | ||
| 122 | */ | ||
| 123 | NumEqVector neumannAtPos(const GlobalPosition& globalPos) const | ||
| 124 | { | ||
| 125 | NumEqVector values(0.0); | ||
| 126 | return values; | ||
| 127 | } | ||
| 128 | |||
| 129 | /*! | ||
| 130 | * \brief Evaluates the initial values for a control volume. | ||
| 131 | * | ||
| 132 | * \param globalPos The global position | ||
| 133 | */ | ||
| 134 | 500 | PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const | |
| 135 | { | ||
| 136 | 500 | return initial_(globalPos); | |
| 137 | } | ||
| 138 | |||
| 139 | |||
| 140 | private: | ||
| 141 | /*! | ||
| 142 | * \brief Evaluates the initial values for a control volume. | ||
| 143 | * | ||
| 144 | * The internal method for the initial condition | ||
| 145 | * | ||
| 146 | * \param globalPos The global position | ||
| 147 | */ | ||
| 148 | 500 | PrimaryVariables initial_(const GlobalPosition &globalPos) const | |
| 149 | { | ||
| 150 | 500 | PrimaryVariables priVars(0.0); | |
| 151 | 500 | priVars.setState(Indices::firstPhaseOnly); | |
| 152 | |||
| 153 | //mole-fraction formulation | ||
| 154 | 500 | priVars[Indices::switchIdx] = 1e-5; | |
| 155 | 500 | priVars[Indices::pressureIdx] = 1e5; | |
| 156 | return priVars; | ||
| 157 | } | ||
| 158 | |||
| 159 | static constexpr Scalar eps_ = 1e-6; | ||
| 160 | |||
| 161 | std::string name_ ; | ||
| 162 | }; | ||
| 163 | |||
| 164 | } // end namespace Dumux | ||
| 165 | |||
| 166 | #endif | ||
| 167 |