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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 OnePTests | ||
| 10 | * \brief A test problem for the 1p model: A pipe system with circular cross-section | ||
| 11 | * and a branching point embedded in a three-dimensional world | ||
| 12 | */ | ||
| 13 | |||
| 14 | #ifndef DUMUX_ONEP_TUBES_TEST_SPATIALPARAMS_HH | ||
| 15 | #define DUMUX_ONEP_TUBES_TEST_SPATIALPARAMS_HH | ||
| 16 | |||
| 17 | #include <dumux/porousmediumflow/properties.hh> | ||
| 18 | #include <dumux/porousmediumflow/fvspatialparams1p.hh> | ||
| 19 | |||
| 20 | namespace Dumux { | ||
| 21 | |||
| 22 | /*! | ||
| 23 | * \ingroup OnePTests | ||
| 24 | * \brief A test problem for the 1p model: A pipe system with circular cross-section | ||
| 25 | * and a branching point embedded in a three-dimensional world | ||
| 26 | */ | ||
| 27 | template<class GridGeometry, class Scalar> | ||
| 28 |
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12 | class TubesTestSpatialParams |
| 29 | : public FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, | ||
| 30 | TubesTestSpatialParams<GridGeometry, Scalar>> | ||
| 31 | { | ||
| 32 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 33 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 34 | using GridView = typename GridGeometry::GridView; | ||
| 35 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 36 | |||
| 37 | using ThisType = TubesTestSpatialParams<GridGeometry, Scalar>; | ||
| 38 | using ParentType = FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, ThisType>; | ||
| 39 | |||
| 40 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 41 | |||
| 42 | public: | ||
| 43 | // export permeability type | ||
| 44 | using PermeabilityType = Scalar; | ||
| 45 | |||
| 46 | 12 | TubesTestSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry) | |
| 47 |
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12 | : ParentType(gridGeometry) |
| 48 | { | ||
| 49 | 12 | radius_ = 1.0; | |
| 50 | |||
| 51 | using std::sqrt; | ||
| 52 | 12 | radiusMain_ = sqrt(sqrt(4.0/sqrt(3.0))); | |
| 53 | 12 | } | |
| 54 | |||
| 55 | /*! | ||
| 56 | * \brief Returns the radius of the circular pipe for the current | ||
| 57 | * sub-control volume in [m]. | ||
| 58 | * | ||
| 59 | * \param scv The sub-control volume | ||
| 60 | */ | ||
| 61 | ✗ | Scalar radius(const SubControlVolume &scv) const | |
| 62 | { | ||
| 63 |
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90624 | if(scv.center()[2] > 0.5 - eps_) |
| 64 | 5664 | return radiusMain_; | |
| 65 | else | ||
| 66 | ✗ | return radius_; | |
| 67 | } | ||
| 68 | |||
| 69 | /*! | ||
| 70 | * \brief Function for defining the (intrinsic) permeability \f$[m^2]\f$. | ||
| 71 | * | ||
| 72 | * \param element The element | ||
| 73 | * \param scv The sub-control volume | ||
| 74 | * \param elemSol The element solution vector | ||
| 75 | * \return The intrinsic permeability | ||
| 76 | */ | ||
| 77 | template<class ElementSolution> | ||
| 78 | ✗ | PermeabilityType permeability(const Element& element, | |
| 79 | const SubControlVolume& scv, | ||
| 80 | const ElementSolution& elemSol) const | ||
| 81 | { | ||
| 82 |
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45312 | const Scalar radius = this->radius(scv); |
| 83 | 45312 | const Scalar gamma = 2; // quadratic velocity profile (Poiseuille flow) | |
| 84 |
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45312 | return radius*radius/(2*(2+gamma)); |
| 85 | } | ||
| 86 | |||
| 87 | /*! | ||
| 88 | * \brief Define the porosity \f$\mathrm{[-]}\f$. | ||
| 89 | * | ||
| 90 | * \param globalPos The global position | ||
| 91 | */ | ||
| 92 | ✗ | Scalar porosityAtPos(const GlobalPosition& globalPos) const | |
| 93 | ✗ | { return 1; } | |
| 94 | |||
| 95 | /*! | ||
| 96 | * \brief Returns how much the domain is extruded at a given sub-control volume. | ||
| 97 | * | ||
| 98 | * This means the factor by which a lower-dimensional (1D or 2D) | ||
| 99 | * entity needs to be expanded to get a full dimensional cell. The | ||
| 100 | * default is 1.0 which means that 1D problems are actually | ||
| 101 | * thought as pipes with a cross section of 1 m^2 and 2D problems | ||
| 102 | * are assumed to extend 1 m to the back. | ||
| 103 | */ | ||
| 104 | template<class ElementSolution> | ||
| 105 | ✗ | Scalar extrusionFactor(const Element &element, | |
| 106 | const SubControlVolume &scv, | ||
| 107 | const ElementSolution& elemSol) const | ||
| 108 | { | ||
| 109 | ✗ | const auto radius = this->radius(scv); | |
| 110 | ✗ | return M_PI*radius*radius; | |
| 111 | } | ||
| 112 | |||
| 113 | private: | ||
| 114 | Scalar radius_, radiusMain_; | ||
| 115 | static constexpr Scalar eps_ = 1e-8; | ||
| 116 | }; | ||
| 117 | |||
| 118 | } // end namespace Dumux | ||
| 119 | |||
| 120 | #endif | ||
| 121 |