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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 NavierStokesTests | ||
| 10 | * \brief Stationary test for the staggered grid Navier-Stokes model with periodic BC | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_TEST_FREEFLOW_NAVIERSTOKES_PERIODIC_PROBLEM_HH | ||
| 14 | #define DUMUX_TEST_FREEFLOW_NAVIERSTOKES_PERIODIC_PROBLEM_HH | ||
| 15 | |||
| 16 | #include <dumux/common/parameters.hh> | ||
| 17 | #include <dumux/common/properties.hh> | ||
| 18 | |||
| 19 | namespace Dumux { | ||
| 20 | |||
| 21 | /*! | ||
| 22 | * \ingroup NavierStokesTests | ||
| 23 | * \brief Periodic test problem for the staggered grid | ||
| 24 | * | ||
| 25 | * A two-dimensional Navier-Stokes flow with a periodicity in one direction | ||
| 26 | * is considered. | ||
| 27 | */ | ||
| 28 | template <class TypeTag, class BaseProblem> | ||
| 29 | 6 | class PeriodicTestProblem : public BaseProblem | |
| 30 | { | ||
| 31 | using ParentType = BaseProblem; | ||
| 32 | using BoundaryTypes = typename ParentType::BoundaryTypes; | ||
| 33 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 34 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 35 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 36 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 37 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 38 | using InitialValues = typename ParentType::InitialValues; | ||
| 39 | using Sources = typename ParentType::Sources; | ||
| 40 | using DirichletValues = typename ParentType::DirichletValues; | ||
| 41 | using BoundaryFluxes = typename ParentType::BoundaryFluxes; | ||
| 42 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 43 | |||
| 44 | static constexpr auto dimWorld = GridGeometry::GridView::dimensionworld; | ||
| 45 | using Element = typename FVElementGeometry::Element; | ||
| 46 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 47 | |||
| 48 | using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>; | ||
| 49 | |||
| 50 | public: | ||
| 51 | 12 | PeriodicTestProblem(std::shared_ptr<const GridGeometry> gridGeometry, std::shared_ptr<CouplingManager> couplingManager) | |
| 52 |
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48 | : ParentType(gridGeometry, couplingManager) |
| 53 | { | ||
| 54 |
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12 | usePressureDifference_ = getParam<bool>("Problem.UsePressureDifference", false); |
| 55 | 12 | } | |
| 56 | |||
| 57 | /*! | ||
| 58 | * \name Boundary conditions | ||
| 59 | */ | ||
| 60 | // \{ | ||
| 61 | |||
| 62 | /*! | ||
| 63 | * \brief Specifies which kind of boundary condition should be | ||
| 64 | * used for which equation on a given boundary control volume. | ||
| 65 | * | ||
| 66 | * \param globalPos The position of the center of the finite volume | ||
| 67 | */ | ||
| 68 |
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5432 | BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const |
| 69 | { | ||
| 70 |
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8816 | BoundaryTypes values; |
| 71 | 3384 | values.setAllDirichlet(); | |
| 72 | 3384 | return values; | |
| 73 | } | ||
| 74 | |||
| 75 | /*! | ||
| 76 | * \brief Returns Dirichlet boundary values at a given position. | ||
| 77 | * | ||
| 78 | * \param globalPos The global position | ||
| 79 | */ | ||
| 80 |
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1032 | DirichletValues dirichletAtPos(const GlobalPosition & globalPos) const |
| 81 | 22608 | { return DirichletValues(0.0); } | |
| 82 | |||
| 83 | template<class ElementVolumeVariables> | ||
| 84 | 52800 | Sources source(const Element& element, | |
| 85 | const FVElementGeometry& fvGeometry, | ||
| 86 | const ElementVolumeVariables& elemVolVars, | ||
| 87 | const SubControlVolume& scv) const | ||
| 88 | { | ||
| 89 | 52800 | Sources source; | |
| 90 | |||
| 91 | if constexpr (ParentType::isMomentumProblem()) | ||
| 92 | { | ||
| 93 |
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52800 | if (usePressureDifference_ && scv.dofPosition()[1] < this->gridGeometry().bBoxMin()[1] + eps_) |
| 94 | { | ||
| 95 | ✗ | const auto& frontalScvf = (*scvfs(fvGeometry, scv).begin()); | |
| 96 | ✗ | source[Indices::momentumYBalanceIdx] = 100 * frontalScvf.area() / scv.volume(); | |
| 97 | } | ||
| 98 | } | ||
| 99 | |||
| 100 | 52800 | return source; | |
| 101 | } | ||
| 102 | |||
| 103 | // \} | ||
| 104 | |||
| 105 | /*! | ||
| 106 | * \name Volume terms | ||
| 107 | */ | ||
| 108 | // \{ | ||
| 109 | |||
| 110 | //! Enable internal Dirichlet constraints | ||
| 111 | static constexpr bool enableInternalDirichletConstraints() | ||
| 112 | { return !ParentType::isMomentumProblem(); } | ||
| 113 | |||
| 114 | /*! | ||
| 115 | * \brief Tag a degree of freedom to carry internal Dirichlet constraints. | ||
| 116 | * If true is returned for a dof, the equation for this dof is replaced | ||
| 117 | * by the constraint that its primary variable values must match the | ||
| 118 | * user-defined values obtained from the function internalDirichlet(), | ||
| 119 | * which must be defined in the problem. | ||
| 120 | * | ||
| 121 | * \param element The finite element | ||
| 122 | * \param scv The sub-control volume | ||
| 123 | */ | ||
| 124 | 10720 | std::bitset<DirichletValues::dimension> hasInternalDirichletConstraint(const Element& element, const SubControlVolume& scv) const | |
| 125 | { | ||
| 126 | 10720 | std::bitset<DirichletValues::dimension> values; | |
| 127 | |||
| 128 |
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128640 | for (const auto& intersection : intersections(this->gridGeometry().gridView(), element)) |
| 129 | { | ||
| 130 |
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49920 | const auto center = intersection.geometry().center(); |
| 131 |
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42880 | if (intersection.neighbor() && center[1] > this->gridGeometry().bBoxMax()[1] - eps_) |
| 132 | 1232 | values.set(0); | |
| 133 | } | ||
| 134 | |||
| 135 | 10720 | return values; | |
| 136 | } | ||
| 137 | |||
| 138 | /*! | ||
| 139 | * \brief Define the values of internal Dirichlet constraints for a degree of freedom. | ||
| 140 | * \param element The finite element | ||
| 141 | * \param scv The sub-control volume | ||
| 142 | */ | ||
| 143 | 200 | DirichletValues internalDirichlet(const Element& element, const SubControlVolume& scv) const | |
| 144 | { | ||
| 145 | return DirichletValues(1.0); | ||
| 146 | } | ||
| 147 | |||
| 148 | private: | ||
| 149 | static constexpr Scalar eps_ = 1e-6; | ||
| 150 | bool usePressureDifference_; | ||
| 151 | }; | ||
| 152 | |||
| 153 | } // end namespace Dumux | ||
| 154 | |||
| 155 | #endif | ||
| 156 |