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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 OneEqModel | ||
| 10 | * \brief One-equation turbulence problem base class. | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_ONEEQ_PROBLEM_HH | ||
| 13 | #define DUMUX_ONEEQ_PROBLEM_HH | ||
| 14 | |||
| 15 | #include <dumux/common/properties.hh> | ||
| 16 | #include <dumux/common/staggeredfvproblem.hh> | ||
| 17 | #include <dumux/discretization/localview.hh> | ||
| 18 | #include <dumux/discretization/staggered/elementsolution.hh> | ||
| 19 | #include <dumux/discretization/method.hh> | ||
| 20 | #include <dumux/freeflow/rans/problem.hh> | ||
| 21 | #include <dumux/freeflow/turbulencemodel.hh> | ||
| 22 | |||
| 23 | #include "model.hh" | ||
| 24 | |||
| 25 | namespace Dumux { | ||
| 26 | |||
| 27 | /*! | ||
| 28 | * \ingroup OneEqModel | ||
| 29 | * \brief One-equation turbulence problem base class. | ||
| 30 | * | ||
| 31 | * This implements some base functionality for one-equation Spalart-Allmaras model. | ||
| 32 | */ | ||
| 33 | template<class TypeTag> | ||
| 34 | class RANSProblemImpl<TypeTag, TurbulenceModel::oneeq> : public RANSProblemBase<TypeTag> | ||
| 35 | { | ||
| 36 | |||
| 37 | using ParentType = RANSProblemBase<TypeTag>; | ||
| 38 | using Implementation = GetPropType<TypeTag, Properties::Problem>; | ||
| 39 | using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView; | ||
| 40 | using Grid = typename GridView::Grid; | ||
| 41 | |||
| 42 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 43 | using DimVector = Dune::FieldVector<Scalar, Grid::dimension>; | ||
| 44 | |||
| 45 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 46 | using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView; | ||
| 47 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 48 | |||
| 49 | using VolumeVariables = GetPropType<TypeTag, Properties::VolumeVariables>; | ||
| 50 | using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>; | ||
| 51 | using CellCenterPrimaryVariables = GetPropType<TypeTag, Properties::CellCenterPrimaryVariables>; | ||
| 52 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 53 | |||
| 54 | public: | ||
| 55 | //! The constructor sets the gravity, if desired by the user. | ||
| 56 | 4 | RANSProblemImpl(std::shared_ptr<const GridGeometry> gridGeometry, const std::string& paramGroup = "") | |
| 57 |
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16 | : ParentType(gridGeometry, paramGroup) |
| 58 | 4 | { } | |
| 59 | |||
| 60 | /*! | ||
| 61 | * \brief Correct size of the static (solution independent) wall variables | ||
| 62 | */ | ||
| 63 | 4 | void updateStaticWallProperties() | |
| 64 | { | ||
| 65 | 4 | ParentType::updateStaticWallProperties(); | |
| 66 | |||
| 67 | // update size and initial values of the global vectors | ||
| 68 | 16 | storedDynamicEddyViscosity_.resize(this->gridGeometry().elementMapper().size(), 0.0); | |
| 69 | 16 | storedViscosityTilde_.resize(this->gridGeometry().elementMapper().size(), 0.0); | |
| 70 | 20 | storedViscosityTildeGradient_.resize(this->gridGeometry().elementMapper().size(), DimVector(0.0)); | |
| 71 | 4 | } | |
| 72 | |||
| 73 | /*! | ||
| 74 | * \brief Update the dynamic (solution dependent) relations to the walls | ||
| 75 | * | ||
| 76 | * \param curSol The solution vector. | ||
| 77 | */ | ||
| 78 | template<class SolutionVector> | ||
| 79 | 148 | void updateDynamicWallProperties(const SolutionVector& curSol) | |
| 80 | { | ||
| 81 | 148 | ParentType::updateDynamicWallProperties(curSol); | |
| 82 | |||
| 83 |
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296 | auto fvGeometry = localView(this->gridGeometry()); |
| 84 |
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66508 | for (const auto& element : elements(this->gridGeometry().gridView())) |
| 85 | { | ||
| 86 | 99096 | unsigned int elementIdx = this->gridGeometry().elementMapper().index(element); | |
| 87 |
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33032 | fvGeometry.bindElement(element); |
| 88 | |||
| 89 |
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132128 | for (auto&& scv : scvs(fvGeometry)) |
| 90 | { | ||
| 91 | 33032 | const int dofIdx = scv.dofIndex(); | |
| 92 | 66064 | const auto& cellCenterPriVars = curSol[GridGeometry::cellCenterIdx()][dofIdx]; | |
| 93 | 33032 | PrimaryVariables priVars = makePriVarsFromCellCenterPriVars<PrimaryVariables>(cellCenterPriVars); | |
| 94 |
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66064 | auto elemSol = elementSolution<typename GridGeometry::LocalView>(std::move(priVars)); |
| 95 | // NOTE: first update the turbulence quantities | ||
| 96 | 66064 | storedViscosityTilde_[elementIdx] = elemSol[0][Indices::viscosityTildeIdx]; | |
| 97 | // NOTE: then update the volVars | ||
| 98 | 33032 | VolumeVariables volVars; | |
| 99 |
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33032 | volVars.update(elemSol, asImp_(), element, scv); |
| 100 |
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99096 | storedDynamicEddyViscosity_[elementIdx] = volVars.calculateEddyViscosity(); |
| 101 | } | ||
| 102 | } | ||
| 103 | |||
| 104 | // calculate cell-center-averaged gradient | ||
| 105 |
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66508 | for (const auto& element : elements(this->gridGeometry().gridView())) |
| 106 | { | ||
| 107 | 99096 | const unsigned int elementIdx = this->gridGeometry().elementMapper().index(element); | |
| 108 |
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33032 | fvGeometry.bindElement(element); |
| 109 | |||
| 110 |
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99096 | for (unsigned int axisIdx = 0; axisIdx < Grid::dimension; ++axisIdx) |
| 111 | { | ||
| 112 |
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66064 | const unsigned int neighborIndex0 = ParentType::neighborIndex(elementIdx, axisIdx, 0); |
| 113 |
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66064 | const unsigned int neighborIndex1 = ParentType::neighborIndex(elementIdx, axisIdx, 1); |
| 114 | |||
| 115 | // calculate cell-centered turbulentEddyViscosity (viscosityTilde) gradient | ||
| 116 | 66064 | storedViscosityTildeGradient_[elementIdx][axisIdx] | |
| 117 | 198192 | = (storedViscosityTilde(neighborIndex1) - storedViscosityTilde(neighborIndex0)) | |
| 118 |
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132128 | / (ParentType::cellCenter(neighborIndex1)[axisIdx] - ParentType::cellCenter(neighborIndex0)[axisIdx]); |
| 119 | } | ||
| 120 | |||
| 121 | // Adjust for dirichlet boundary conditions | ||
| 122 |
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198192 | for (auto&& scvf : scvfs(fvGeometry)) |
| 123 | { | ||
| 124 | 132128 | const unsigned int normDim = scvf.directionIndex(); | |
| 125 |
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135862 | if (scvf.boundary() && asImp_().boundaryTypes(element, scvf).isDirichlet(Indices::viscosityTildeIdx)) |
| 126 | { | ||
| 127 | // face Value | ||
| 128 |
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5782 | Scalar dirichletViscosityTilde = asImp_().dirichlet(element, scvf)[Indices::viscosityTildeIdx]; |
| 129 | |||
| 130 |
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5782 | unsigned int neighborIndex = ParentType::neighborIndex(elementIdx, normDim, 0); |
| 131 |
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17346 | if (scvf.center()[normDim] < ParentType::cellCenter(elementIdx)[normDim]) |
| 132 | 9516 | neighborIndex = ParentType::neighborIndex(elementIdx, normDim, 1); | |
| 133 | |||
| 134 | 5782 | storedViscosityTildeGradient_[elementIdx][normDim] | |
| 135 | 11564 | = (storedViscosityTilde(neighborIndex) - dirichletViscosityTilde) | |
| 136 | 28910 | / (ParentType::cellCenter(neighborIndex)[normDim] - scvf.center()[normDim]); | |
| 137 | } | ||
| 138 | } | ||
| 139 | } | ||
| 140 | 148 | } | |
| 141 | |||
| 142 | 10449652 | bool useStoredEddyViscosity() const | |
| 143 | { | ||
| 144 |
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10449652 | static const bool useStoredEddyViscosity = getParamFromGroup<bool>(this->paramGroup(), "RANS.UseStoredEddyViscosity", false); |
| 145 | 10449652 | return useStoredEddyViscosity; | |
| 146 | } | ||
| 147 | |||
| 148 | Scalar storedDynamicEddyViscosity(const int elementIdx) const | ||
| 149 | ✗ | { return storedDynamicEddyViscosity_[elementIdx]; } | |
| 150 | |||
| 151 | Scalar storedViscosityTilde(const int elementIdx) const | ||
| 152 |
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21109060 | { return storedViscosityTilde_[elementIdx]; } |
| 153 | |||
| 154 | DimVector storedViscosityTildeGradient(const int elementIdx) const | ||
| 155 | 20899304 | { return storedViscosityTildeGradient_[elementIdx]; } | |
| 156 | |||
| 157 | private: | ||
| 158 | std::vector<Scalar> storedDynamicEddyViscosity_; | ||
| 159 | std::vector<Scalar> storedViscosityTilde_; | ||
| 160 | std::vector<DimVector> storedViscosityTildeGradient_; | ||
| 161 | |||
| 162 | //! Returns the implementation of the problem (i.e. static polymorphism) | ||
| 163 | Implementation &asImp_() | ||
| 164 | { return *static_cast<Implementation *>(this); } | ||
| 165 | |||
| 166 | //! \copydoc asImp_() | ||
| 167 | const Implementation &asImp_() const | ||
| 168 | { return *static_cast<const Implementation *>(this); } | ||
| 169 | }; | ||
| 170 | |||
| 171 | } // end namespace Dumux | ||
| 172 | |||
| 173 | #endif | ||
| 174 |