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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 | #ifndef DUMUX_TRACER_TEST_PROPERTIES_HH | ||
| 9 | #define DUMUX_TRACER_TEST_PROPERTIES_HH | ||
| 10 | |||
| 11 | // ## Compile-time settings (`properties_tracer.hh`) | ||
| 12 | // | ||
| 13 | // This file defines the type tag used for the tracer transport simulation, for | ||
| 14 | // which we then specialize `properties` to the needs of the desired setup. | ||
| 15 | // | ||
| 16 | // [[content]] | ||
| 17 | // | ||
| 18 | // ### Includes | ||
| 19 | // [[details]] includes | ||
| 20 | // As for the single-phase problem, atype tag is defined also for this simulation. | ||
| 21 | // Here, we inherit all properties of the `Tracer` type tag, a convenience type tag | ||
| 22 | // that specializes most of the required properties for tracer transport flow simulations in DuMu<sup>x</sup>. | ||
| 23 | #include <dumux/porousmediumflow/tracer/model.hh> | ||
| 24 | |||
| 25 | // We use YaspGrid, an implementation of the dune grid interface for structured grids. | ||
| 26 | #include <dune/grid/yaspgrid.hh> | ||
| 27 | // We want to discretize the equations with the cell centered finite volume scheme using | ||
| 28 | // two-point-flux approximation. | ||
| 29 | #include <dumux/discretization/cctpfa.hh> | ||
| 30 | // This includes the base class for fluid systems. We will define a custom fluid | ||
| 31 | // system that inherits from that class. | ||
| 32 | #include <dumux/material/fluidsystems/base.hh> | ||
| 33 | |||
| 34 | // We include the problem and spatial parameter headers used for this simulation. | ||
| 35 | #include "problem_tracer.hh" | ||
| 36 | #include "spatialparams_tracer.hh" | ||
| 37 | // [[/details]] | ||
| 38 | // | ||
| 39 | // ### Definition of a custom fluid system | ||
| 40 | // | ||
| 41 | // In the following, we define a new tracer fluid system that contains a single component | ||
| 42 | // with a molar mass of 0.3 kg/mol. This fluid system derives from the base class for | ||
| 43 | // fluid systems `FluidSystems::Base`. | ||
| 44 | // [[codeblock]] | ||
| 45 | namespace Dumux { | ||
| 46 | |||
| 47 | // In the following, we create a new tracer fluid system and derive from the base fluid system. | ||
| 48 | template<class TypeTag> | ||
| 49 | class TracerFluidSystem : public FluidSystems::Base<GetPropType<TypeTag, Properties::Scalar>, | ||
| 50 | TracerFluidSystem<TypeTag>> | ||
| 51 | { | ||
| 52 | // Some convenience aliases to be used inside this class. | ||
| 53 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 54 | using Problem = GetPropType<TypeTag, Properties::Problem>; | ||
| 55 | using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView; | ||
| 56 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 57 | using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView; | ||
| 58 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 59 | |||
| 60 | public: | ||
| 61 | // We specify that the fluid system only contains tracer components, | ||
| 62 | static constexpr bool isTracerFluidSystem() | ||
| 63 | { return true; } | ||
| 64 | |||
| 65 | // We define the number of components of this fluid system (one single tracer component) | ||
| 66 | static constexpr int numComponents = 1; | ||
| 67 | |||
| 68 | // This interface is designed to define the names of the components of the fluid system. | ||
| 69 | // Here, we only have a single component, so `compIdx` should always be 0. | ||
| 70 | // The component name is used for the vtk output. | ||
| 71 | 2 | static std::string componentName(int compIdx = 0) | |
| 72 |
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2 | { return "tracer_" + std::to_string(compIdx); } |
| 73 | |||
| 74 | // We set the phase name for the phase index (`phaseIdx`) for velocity vtk output: | ||
| 75 | // Here, we only have a single phase, so `phaseIdx` should always be zero. | ||
| 76 | ✗ | static std::string phaseName(int phaseIdx = 0) | |
| 77 |
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22 | { return "Groundwater"; } |
| 78 | |||
| 79 | // We set the molar mass of the tracer component with index `compIdx` (should again always be zero here). | ||
| 80 | ✗ | static Scalar molarMass(unsigned int compIdx = 0) | |
| 81 | ✗ | { return 0.300; } | |
| 82 | |||
| 83 | // We set the value for the binary diffusion coefficient. This | ||
| 84 | // might depend on spatial parameters like pressure / temperature. | ||
| 85 | // But, in this case we neglect diffusion and return 0.0. | ||
| 86 | ✗ | static Scalar binaryDiffusionCoefficient(unsigned int compIdx, | |
| 87 | const Problem& problem, | ||
| 88 | const Element& element, | ||
| 89 | const SubControlVolume& scv) | ||
| 90 | ✗ | { return 0.0; } | |
| 91 | }; | ||
| 92 | // [[/codeblock]] | ||
| 93 | // | ||
| 94 | // ### Type tag definition | ||
| 95 | // | ||
| 96 | // We define a type tag for our simulation with the name `TracerTest` and inherit | ||
| 97 | // the properties specialized for the type tags `Tracer` and `CCTpfaModel`. | ||
| 98 | // This way, most of the properties required for tracer transport simulations using | ||
| 99 | // the cell centered finite volume scheme with two-point-flux approximation are | ||
| 100 | // conveniently specialized for our new type tag. | ||
| 101 | // However, some properties depend on user choices and no meaningful default value | ||
| 102 | // can be set. Those properties will be addressed later in this file. | ||
| 103 | // [[codeblock]] | ||
| 104 | namespace Properties { | ||
| 105 | |||
| 106 | // declaration of the `TracerTest` type tag for the tracer transport problem | ||
| 107 | namespace TTag { | ||
| 108 | struct TracerTest { using InheritsFrom = std::tuple<Tracer, CCTpfaModel>; }; | ||
| 109 | } | ||
| 110 | // [[/codeblock]] | ||
| 111 | // | ||
| 112 | // ### Property specializations | ||
| 113 | // | ||
| 114 | // In the following piece of code, mandatory properties for which no meaningful | ||
| 115 | // default can be set, are specialized for our type tag `TracerTest`. | ||
| 116 | // [[codeblock]] | ||
| 117 | // We use the same grid type as in the stationary one-phase model, a structured 2D grid. | ||
| 118 | template<class TypeTag> | ||
| 119 | struct Grid<TypeTag, TTag::TracerTest> { using type = Dune::YaspGrid<2>; }; | ||
| 120 | |||
| 121 | // This sets our problem class (see problem_tracer.hh) that specifies initial and boundary conditions. | ||
| 122 | template<class TypeTag> | ||
| 123 | struct Problem<TypeTag, TTag::TracerTest> { using type = TracerTestProblem<TypeTag>; }; | ||
| 124 | |||
| 125 | // This defines the spatial parameters class (spatialparams_tracer.hh) for our tracer simulation. | ||
| 126 | template<class TypeTag> | ||
| 127 | struct SpatialParams<TypeTag, TTag::TracerTest> | ||
| 128 | { | ||
| 129 | private: | ||
| 130 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 131 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 132 | public: | ||
| 133 | using type = TracerTestSpatialParams<GridGeometry, Scalar>; | ||
| 134 | }; | ||
| 135 | |||
| 136 | // We set the tracer fluid system that we have defined above. | ||
| 137 | template<class TypeTag> | ||
| 138 | struct FluidSystem<TypeTag, TTag::TracerTest> { using type = TracerFluidSystem<TypeTag>; }; | ||
| 139 | // [[/codeblock]] | ||
| 140 | // | ||
| 141 | // The above are all mandatory properties, however, we also specialize the `UseMoles` | ||
| 142 | // property, which can be used to switch between mole or mass balances to be solved | ||
| 143 | // in compositional models. It defaults to `true`, and thus, to a molar formulation, | ||
| 144 | // and we set it to `false` here to specify that we want to solve the mass balance | ||
| 145 | // equation for the tracer component. | ||
| 146 | template<class TypeTag> | ||
| 147 | struct UseMoles<TypeTag, TTag::TracerTest> { static constexpr bool value = false; }; | ||
| 148 | |||
| 149 | // Moreover, we specialize several properties related to efficiency optimizations | ||
| 150 | // [[details]] caching properties | ||
| 151 | // [[codeblock]] | ||
| 152 | // In Dumux, one has the option to activate/deactivate the grid-wide caching of geometries | ||
| 153 | // and variables. If active, the CPU time can be significantly reduced as less dynamic | ||
| 154 | // memory allocation procedures are necessary. Per default, grid-wide caching is disabled | ||
| 155 | // to ensure minimal memory requirements, however, in this example we want to active all | ||
| 156 | // available caches, which significanlty increases the memory demand but makes the simulation faster | ||
| 157 | template<class TypeTag> | ||
| 158 | struct EnableGridVolumeVariablesCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; }; | ||
| 159 | template<class TypeTag> | ||
| 160 | struct EnableGridFluxVariablesCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; }; | ||
| 161 | template<class TypeTag> | ||
| 162 | struct EnableGridGeometryCache<TypeTag, TTag::TracerTest> { static constexpr bool value = true; }; | ||
| 163 | |||
| 164 | // We use solution-independent molecular diffusion coefficients. Per default, solution-dependent | ||
| 165 | // diffusion coefficients are assumed during the computation of the jacobian matrix entries. Specifying | ||
| 166 | // solution-independent diffusion coefficients can speed up computations significantly. | ||
| 167 | template<class TypeTag> | ||
| 168 | struct SolutionDependentMolecularDiffusion<TypeTag, TTag::TracerTest> | ||
| 169 | { static constexpr bool value = false; }; | ||
| 170 | |||
| 171 | } // end namespace Properties | ||
| 172 | } // end namespace Dumux | ||
| 173 | // [[/codeblock]] | ||
| 174 | // [[/details]] | ||
| 175 | // [[/content]] | ||
| 176 | #endif | ||
| 177 |