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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 KEpsilonModel | ||
| 10 | * \copydoc Dumux::KEpsilonVolumeVariables | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_KEPSILON_VOLUME_VARIABLES_HH | ||
| 13 | #define DUMUX_KEPSILON_VOLUME_VARIABLES_HH | ||
| 14 | |||
| 15 | #include <dumux/common/parameters.hh> | ||
| 16 | #include <dumux/freeflow/rans/volumevariables.hh> | ||
| 17 | |||
| 18 | namespace Dumux { | ||
| 19 | |||
| 20 | /*! | ||
| 21 | * \ingroup KEpsilonModel | ||
| 22 | * \brief Volume variables for the isothermal single-phase k-epsilon model. | ||
| 23 | */ | ||
| 24 | template <class Traits, class NSVolumeVariables> | ||
| 25 |
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282700 | class KEpsilonVolumeVariables |
| 26 | : public RANSVolumeVariables<Traits, NSVolumeVariables> | ||
| 27 | { | ||
| 28 | using RANSParentType = RANSVolumeVariables<Traits, NSVolumeVariables>; | ||
| 29 | |||
| 30 | using Scalar = typename Traits::PrimaryVariables::value_type; | ||
| 31 | |||
| 32 | public: | ||
| 33 | //! export the indices type | ||
| 34 | using Indices = typename Traits::ModelTraits::Indices; | ||
| 35 | |||
| 36 | /*! | ||
| 37 | * \brief Update all quantities for a given control volume | ||
| 38 | * | ||
| 39 | * \param elemSol A vector containing all primary variables connected to the element | ||
| 40 | * \param problem The object specifying the problem which ought to | ||
| 41 | * be simulated | ||
| 42 | * \param element An element which contains part of the control volume | ||
| 43 | * \param scv The sub-control volume | ||
| 44 | */ | ||
| 45 | template<class ElementSolution, class Problem, class Element, class SubControlVolume> | ||
| 46 | 29758404 | void update(const ElementSolution &elemSol, | |
| 47 | const Problem &problem, | ||
| 48 | const Element &element, | ||
| 49 | const SubControlVolume& scv) | ||
| 50 | { | ||
| 51 | 29758404 | RANSParentType::updateNavierStokesVolVars(elemSol, problem, element, scv); | |
| 52 | 29758404 | updateRANSProperties(elemSol, problem, element, scv); | |
| 53 | 29758404 | } | |
| 54 | |||
| 55 | /*! | ||
| 56 | * \brief Update all turbulent quantities for a given control volume | ||
| 57 | * | ||
| 58 | * Wall and roughness related quantities are stored. Eddy viscosity is set. | ||
| 59 | * | ||
| 60 | * \param elemSol A vector containing all primary variables connected to the element | ||
| 61 | * \param problem The object specifying the problem which ought to be simulated | ||
| 62 | * \param element An element which contains part of the control volume | ||
| 63 | * \param scv The sub-control volume | ||
| 64 | */ | ||
| 65 | template<class ElementSolution, class Problem, class Element, class SubControlVolume> | ||
| 66 | 29758404 | void updateRANSProperties(const ElementSolution &elemSol, | |
| 67 | const Problem &problem, | ||
| 68 | const Element &element, | ||
| 69 | const SubControlVolume& scv) | ||
| 70 | { | ||
| 71 | 29758404 | RANSParentType::updateRANSProperties(elemSol, problem, element, scv); | |
| 72 | 59516808 | isMatchingPoint_ = problem.isMatchingPoint(RANSParentType::elementIdx()); | |
| 73 | 59516808 | inNearWallRegion_ = problem.inNearWallRegion(RANSParentType::elementIdx()); | |
| 74 | 29758404 | turbulentKineticEnergy_ = elemSol[0][Indices::turbulentKineticEnergyIdx]; | |
| 75 | 29758404 | dissipation_ = elemSol[0][Indices::dissipationIdx]; | |
| 76 | 59516808 | storedDissipation_ = problem.storedDissipation(RANSParentType::elementIdx()); | |
| 77 | 29758404 | storedTurbulentKineticEnergy_ = problem.storedTurbulentKineticEnergy(RANSParentType::elementIdx()); | |
| 78 | 29758404 | stressTensorScalarProduct_ = problem.stressTensorScalarProduct(RANSParentType::elementIdx()); | |
| 79 | 29758404 | const Scalar uStarNominal = problem.uStarNominal(RANSParentType::elementIdx()); | |
| 80 | 29758404 | const auto flowDirectionAxis = problem.flowDirectionAxis(RANSParentType::elementIdx()); | |
| 81 | 29758404 | yPlusNominal_ = RANSParentType::wallDistance() * uStarNominal / problem.kinematicViscosity(RANSParentType::elementIdx()); | |
| 82 | 29758404 | uPlusNominal_ = RANSParentType::ccVelocityVector()[flowDirectionAxis] / uStarNominal; | |
| 83 | 29758404 | cMu_ = problem.cMu(); | |
| 84 |
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29758404 | if (problem.useStoredEddyViscosity()) |
| 85 | ✗ | RANSParentType::setDynamicEddyViscosity_(problem.storedDynamicEddyViscosity(RANSParentType::elementIdx())); | |
| 86 | else | ||
| 87 | 59516808 | RANSParentType::setDynamicEddyViscosity_(calculateEddyViscosity()); | |
| 88 |
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29758404 | if (inNearWallRegion_) |
| 89 | { | ||
| 90 | 13032890 | RANSParentType::setDynamicEddyViscosity_(problem.zeroEqDynamicEddyViscosity(RANSParentType::elementIdx())); | |
| 91 | } | ||
| 92 | 29758404 | RANSParentType::calculateEddyDiffusivity(problem); | |
| 93 | 29758404 | RANSParentType::calculateEddyThermalConductivity(problem); | |
| 94 | 29758404 | } | |
| 95 | |||
| 96 | /*! | ||
| 97 | * \brief Returns the dynamic eddy viscosity \f$\mathrm{[Pa s]}\f$. | ||
| 98 | */ | ||
| 99 | Scalar calculateEddyViscosity() | ||
| 100 | { | ||
| 101 | 29822420 | return cMu() * turbulentKineticEnergy() * turbulentKineticEnergy() | |
| 102 |
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59644840 | / dissipation() * RANSParentType::density(); |
| 103 | } | ||
| 104 | |||
| 105 | /*! | ||
| 106 | * \brief Returns the turbulent kinetic energy \f$ m^2/s^2 \f$ | ||
| 107 | */ | ||
| 108 | ✗ | Scalar turbulentKineticEnergy() const | |
| 109 | ✗ | { return turbulentKineticEnergy_; } | |
| 110 | |||
| 111 | /*! | ||
| 112 | * \brief Returns an effective dissipation \f$ m^2/s^3 \f$ | ||
| 113 | */ | ||
| 114 | ✗ | Scalar dissipation() const | |
| 115 | ✗ | { return dissipation_; } | |
| 116 | |||
| 117 | /*! | ||
| 118 | * \brief Returns the turbulent kinetic energy \f$ m^2/s^2 \f$ | ||
| 119 | */ | ||
| 120 | Scalar storedTurbulentKineticEnergy() const | ||
| 121 | { return storedTurbulentKineticEnergy_; } | ||
| 122 | |||
| 123 | /*! | ||
| 124 | * \brief Returns an effective dissipation \f$ m^2/s^3 \f$ | ||
| 125 | */ | ||
| 126 | Scalar storedDissipation() const | ||
| 127 | { return storedDissipation_; } | ||
| 128 | |||
| 129 | /*! | ||
| 130 | * \brief Returns the scalar product of the stress tensor | ||
| 131 | */ | ||
| 132 | ✗ | Scalar stressTensorScalarProduct() const | |
| 133 | ✗ | { return stressTensorScalarProduct_; } | |
| 134 | |||
| 135 | /* | ||
| 136 | * \brief Returns if an element is located in the near-wall region | ||
| 137 | */ | ||
| 138 | ✗ | bool inNearWallRegion() const | |
| 139 | ✗ | { return inNearWallRegion_; } | |
| 140 | |||
| 141 | /*! | ||
| 142 | * \brief Returns if an element is the matching point | ||
| 143 | */ | ||
| 144 | ✗ | bool isMatchingPoint() const | |
| 145 | ✗ | { return isMatchingPoint_; } | |
| 146 | |||
| 147 | //! \brief Returns the \f$ C_{\mu} \f$ constant | ||
| 148 | ✗ | const Scalar cMu() const | |
| 149 | ✗ | { return cMu_; } | |
| 150 | |||
| 151 | //! \brief Returns the \f$ \sigma_{\textrm{k}} \f$ constant | ||
| 152 | ✗ | const Scalar sigmaK() const | |
| 153 | ✗ | { return 1.0; } | |
| 154 | |||
| 155 | //! \brief Returns the \f$ \sigma_{\varepsilon} \f$ constant | ||
| 156 | ✗ | const Scalar sigmaEpsilon() const | |
| 157 | ✗ | { return 1.3; } | |
| 158 | |||
| 159 | //! \brief Returns the \f$ C_{1\varepsilon} \f$ constant | ||
| 160 | ✗ | const Scalar cOneEpsilon() const | |
| 161 | ✗ | { return 1.44; } | |
| 162 | |||
| 163 | //! \brief Returns the \f$ C_{2\varepsilon} \f$ constant | ||
| 164 | ✗ | const Scalar cTwoEpsilon() const | |
| 165 | ✗ | { return 1.92; } | |
| 166 | |||
| 167 | //! \brief Returns the nominal dimensionless wall distance \f$\mathrm{[-]}\f$. | ||
| 168 | ✗ | Scalar yPlusNominal() const | |
| 169 | ✗ | { return yPlusNominal_; } | |
| 170 | |||
| 171 | //! \brief Return the nominal dimensionless velocity \f$\mathrm{[-]}\f$. | ||
| 172 | ✗ | Scalar uPlusNominal() const | |
| 173 | ✗ | { return uPlusNominal_; } | |
| 174 | |||
| 175 | protected: | ||
| 176 | Scalar turbulentKineticEnergy_ = 0.0; | ||
| 177 | Scalar dissipation_ = 0.0; | ||
| 178 | Scalar storedTurbulentKineticEnergy_ = 0.0; | ||
| 179 | Scalar storedDissipation_ = 0.0; | ||
| 180 | Scalar stressTensorScalarProduct_ = 0.0; | ||
| 181 | Scalar yPlusNominal_ = 0.0; | ||
| 182 | Scalar uPlusNominal_ = 0.0; | ||
| 183 | Scalar cMu_ = 0.0; | ||
| 184 | bool inNearWallRegion_ = false; | ||
| 185 | bool isMatchingPoint_ = false; | ||
| 186 | }; | ||
| 187 | |||
| 188 | } // end namespace Dumux | ||
| 189 | |||
| 190 | #endif | ||
| 191 |