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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 The spatial parameters class for root xylem flow. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_ROOT_SPATIALPARAMS_HH | ||
| 14 | #define DUMUX_ROOT_SPATIALPARAMS_HH | ||
| 15 | |||
| 16 | #include <dumux/common/parameters.hh> | ||
| 17 | #include <dumux/io/grid/griddata.hh> | ||
| 18 | #include <dumux/material/components/simpleh2o.hh> | ||
| 19 | #include <dumux/porousmediumflow/fvspatialparams1p.hh> | ||
| 20 | |||
| 21 | namespace Dumux { | ||
| 22 | |||
| 23 | /*! | ||
| 24 | * \ingroup EmbeddedTests | ||
| 25 | * \brief Definition of the spatial parameters for the root xylem flow. | ||
| 26 | */ | ||
| 27 | template<class GridGeometry, class Scalar> | ||
| 28 | class RootSpatialParams | ||
| 29 | : public FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, RootSpatialParams<GridGeometry, Scalar>> | ||
| 30 | { | ||
| 31 | using ThisType = RootSpatialParams<GridGeometry, Scalar>; | ||
| 32 | using ParentType = FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, ThisType>; | ||
| 33 | using Grid = typename GridGeometry::Grid; | ||
| 34 | using GridView = typename GridGeometry::GridView; | ||
| 35 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 36 | using SubControlVolume = typename GridGeometry::SubControlVolume; | ||
| 37 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 38 | |||
| 39 | //! Indices to access the parameters in the dgf file | ||
| 40 | enum DGFParamIndices { | ||
| 41 | orderIdx = 0, | ||
| 42 | rootIdIdx = 1, | ||
| 43 | surfaceIdx = 2, | ||
| 44 | massIdx = 3, | ||
| 45 | plantIdx = 5 | ||
| 46 | }; | ||
| 47 | |||
| 48 | public: | ||
| 49 | // export permeability type | ||
| 50 | using PermeabilityType = Scalar; | ||
| 51 | |||
| 52 | 1 | RootSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry, | |
| 53 | std::shared_ptr<const GridData<Grid>> gridData) | ||
| 54 |
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2 | : ParentType(gridGeometry), gridData_(gridData) |
| 55 | { | ||
| 56 |
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1 | porosity_ = getParam<Scalar>("Root.SpatialParams.Porosity", 0.4); |
| 57 |
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1 | constantKx_ = getParam<Scalar>("Root.SpatialParams.Kx", 5.0968e-17); |
| 58 |
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1 | constantKr_ = getParam<Scalar>("Root.SpatialParams.Kr", 2.04e-13); |
| 59 | |||
| 60 | 2 | const auto& gv = gridGeometry->gridView(); | |
| 61 |
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1 | radii_.resize(gv.size(0)); |
| 62 |
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3477 | for (const auto& element : elements(gv)) |
| 63 | { | ||
| 64 |
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1738 | const auto eIdx = gv.indexSet().index(element); |
| 65 | 1738 | auto level0element = element; | |
| 66 |
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3476 | for(auto levelIdx = element.level(); levelIdx != 0; levelIdx--) |
| 67 | ✗ | level0element = level0element.father(); | |
| 68 |
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1738 | const Scalar rootLength = element.geometry().volume(); |
| 69 |
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3476 | const Scalar rootSurface = gridData_->parameters(level0element)[DGFParamIndices::surfaceIdx]/(1 << element.level()); |
| 70 | 3476 | radii_[eIdx] = rootSurface / rootLength / 2.0 / M_PI; | |
| 71 | } | ||
| 72 | 1 | } | |
| 73 | |||
| 74 | /*! | ||
| 75 | * \brief Returns the intrinsic permeability for the current sub-control volume in [m^2]. | ||
| 76 | * | ||
| 77 | * \note Kx has units [m^4/(Pa*s)] so we have to divide by the cross-section area | ||
| 78 | * and multiply with a characteristic viscosity | ||
| 79 | */ | ||
| 80 | template<class ElementSolution> | ||
| 81 | ✗ | PermeabilityType permeability(const Element& element, | |
| 82 | const SubControlVolume& scv, | ||
| 83 | const ElementSolution& elemSol) const | ||
| 84 | { | ||
| 85 | ✗ | const Scalar r = radius(this->gridGeometry().gridView().indexSet().index(element)); | |
| 86 | ✗ | return constantKx_ / (M_PI*r*r) * Components::SimpleH2O<Scalar>::liquidViscosity(285.15, 1e5); | |
| 87 | } | ||
| 88 | |||
| 89 | /*! | ||
| 90 | * \brief Returns the radius of the circular pipe for the current sub-control volume in [m]. | ||
| 91 | * | ||
| 92 | * \param eIdxGlobal the index of the element | ||
| 93 | */ | ||
| 94 | Scalar radius(std::size_t eIdxGlobal) const | ||
| 95 | { | ||
| 96 |
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7056804 | return radii_[eIdxGlobal]; |
| 97 | } | ||
| 98 | |||
| 99 | /*! | ||
| 100 | * \brief Returns the radial permeability. | ||
| 101 | * | ||
| 102 | * \param eIdxGlobal the index of the element | ||
| 103 | */ | ||
| 104 | ✗ | Scalar Kr(std::size_t eIdxGlobal) const | |
| 105 | { | ||
| 106 | ✗ | return constantKr_; | |
| 107 | } | ||
| 108 | |||
| 109 | const std::vector<Scalar>& getRadii() const | ||
| 110 |
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1 | { return radii_; } |
| 111 | |||
| 112 | /*! | ||
| 113 | * \brief Returns the porosity \f$[-]\f$. | ||
| 114 | * | ||
| 115 | * \param globalPos the scv center | ||
| 116 | */ | ||
| 117 | ✗ | Scalar porosityAtPos(const GlobalPosition& globalPos) const | |
| 118 | { | ||
| 119 | ✗ | return porosity_; | |
| 120 | } | ||
| 121 | |||
| 122 | /*! | ||
| 123 | * \brief Returns the temperature \f$[K]\f$. | ||
| 124 | * | ||
| 125 | * \param globalPos the scv center | ||
| 126 | */ | ||
| 127 | ✗ | Scalar temperatureAtPos(const GlobalPosition& globalPos) const | |
| 128 | { | ||
| 129 | ✗ | return 273.15 + 10.0; | |
| 130 | } | ||
| 131 | |||
| 132 | /*! | ||
| 133 | * \brief Returns how much the domain is extruded at a given sub-control volume. | ||
| 134 | * | ||
| 135 | * The extrusion factor here extrudes the 1d line to a circular tube with | ||
| 136 | * cross-section area pi*r^2. | ||
| 137 | */ | ||
| 138 | template<class ElementSolution> | ||
| 139 | ✗ | Scalar extrusionFactor(const Element &element, | |
| 140 | const SubControlVolume &scv, | ||
| 141 | const ElementSolution& elemSol) const | ||
| 142 | { | ||
| 143 | ✗ | const auto eIdx = this->gridGeometry().elementMapper().index(element); | |
| 144 | ✗ | const auto r = radius(eIdx); | |
| 145 | ✗ | return M_PI*r*r; | |
| 146 | } | ||
| 147 | |||
| 148 | private: | ||
| 149 | std::shared_ptr<const GridData<Grid>> gridData_; | ||
| 150 | Scalar porosity_, constantKx_, constantKr_; | ||
| 151 | std::vector<Scalar> radii_; | ||
| 152 | }; | ||
| 153 | |||
| 154 | } // end namespace Dumux | ||
| 155 | |||
| 156 | #endif | ||
| 157 |