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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 ZeroEqModel | ||
| 10 | * \copydoc Dumux::ZeroEqVolumeVariables | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_ZEROEQ_VOLUME_VARIABLES_HH | ||
| 13 | #define DUMUX_ZEROEQ_VOLUME_VARIABLES_HH | ||
| 14 | |||
| 15 | #include <string> | ||
| 16 | |||
| 17 | #include <dune/common/exceptions.hh> | ||
| 18 | #include <dumux/freeflow/rans/volumevariables.hh> | ||
| 19 | |||
| 20 | namespace Dumux { | ||
| 21 | |||
| 22 | /*! | ||
| 23 | * \ingroup ZeroEqModel | ||
| 24 | * \brief Volume variables for the single-phase 0-Eq. model. | ||
| 25 | */ | ||
| 26 | template <class Traits, class NSVolumeVariables> | ||
| 27 |
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87340 | class ZeroEqVolumeVariables |
| 28 | : public RANSVolumeVariables< Traits, NSVolumeVariables> | ||
| 29 | { | ||
| 30 | using RANSParentType = RANSVolumeVariables<Traits, NSVolumeVariables>; | ||
| 31 | |||
| 32 | using Scalar = typename Traits::PrimaryVariables::value_type; | ||
| 33 | |||
| 34 | public: | ||
| 35 | //! export the indices type | ||
| 36 | using Indices = typename Traits::ModelTraits::Indices; | ||
| 37 | |||
| 38 | /*! | ||
| 39 | * \brief Update all quantities for a given control volume | ||
| 40 | * | ||
| 41 | * \param elemSol A vector containing all primary variables connected to the element | ||
| 42 | * \param problem The object specifying the problem which ought to | ||
| 43 | * be simulated | ||
| 44 | * \param element An element which contains part of the control volume | ||
| 45 | * \param scv The sub-control volume | ||
| 46 | */ | ||
| 47 | template<class ElementSolution, class Problem, class Element, class SubControlVolume> | ||
| 48 | 5261548 | void update(const ElementSolution &elemSol, | |
| 49 | const Problem &problem, | ||
| 50 | const Element &element, | ||
| 51 | const SubControlVolume& scv) | ||
| 52 | { | ||
| 53 | 5261548 | RANSParentType::updateNavierStokesVolVars(elemSol, problem, element, scv); | |
| 54 | 5261548 | updateRANSProperties(elemSol, problem, element, scv); | |
| 55 | 5261548 | } | |
| 56 | |||
| 57 | /*! | ||
| 58 | * \brief Update all turbulent quantities for a given control volume | ||
| 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 | 5261548 | void updateRANSProperties(const ElementSolution &elemSol, | |
| 67 | const Problem &problem, | ||
| 68 | const Element &element, | ||
| 69 | const SubControlVolume& scv) | ||
| 70 | { | ||
| 71 | 5261548 | RANSParentType::updateRANSProperties(elemSol, problem, element, scv); | |
| 72 | 5261548 | additionalRoughnessLength_ = problem.additionalRoughnessLength(RANSParentType::elementIdx()); | |
| 73 | 15784644 | yPlusRough_ = wallDistanceRough() * RANSParentType::uStar() / RANSParentType::kinematicViscosity(); | |
| 74 |
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5261548 | RANSParentType::setDynamicEddyViscosity_(calculateEddyViscosity(elemSol, problem, element, scv, problem.eddyViscosityModel())); |
| 75 | 5261548 | RANSParentType::calculateEddyDiffusivity(problem); | |
| 76 | 5261548 | RANSParentType::calculateEddyThermalConductivity(problem); | |
| 77 | 5261548 | } | |
| 78 | |||
| 79 | /*! | ||
| 80 | * \brief Calculate and set the dynamic eddy viscosity. | ||
| 81 | * | ||
| 82 | * \param elemSol A vector containing all primary variables connected to the element | ||
| 83 | * \param problem The object specifying the problem which ought to be simulated | ||
| 84 | * \param element An element which contains part of the control volume | ||
| 85 | * \param scv The sub-control volume | ||
| 86 | * \param modelName The name of the used model | ||
| 87 | */ | ||
| 88 | template<class ElementSolution, class Problem, class Element, class SubControlVolume> | ||
| 89 | 5261548 | Scalar calculateEddyViscosity(const ElementSolution &elemSol, | |
| 90 | const Problem &problem, | ||
| 91 | const Element &element, | ||
| 92 | const SubControlVolume& scv, | ||
| 93 | const std::string modelName) | ||
| 94 | { | ||
| 95 | using std::abs; | ||
| 96 | using std::exp; | ||
| 97 | using std::sqrt; | ||
| 98 | 5261548 | Scalar kinematicEddyViscosity = 0.0; | |
| 99 | 5261548 | unsigned int flowDirectionAxis = problem.flowDirectionAxis(RANSParentType::elementIdx()); | |
| 100 | 5261548 | unsigned int wallNormalAxis = problem.wallNormalAxis(RANSParentType::elementIdx()); | |
| 101 | 21046192 | Scalar velGrad = abs(RANSParentType::velocityGradients()[flowDirectionAxis][wallNormalAxis]); | |
| 102 | |||
| 103 |
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5261548 | if (modelName.compare("none") == 0) |
| 104 | { | ||
| 105 | // kinematicEddyViscosity = 0.0 | ||
| 106 | } | ||
| 107 |
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5261548 | else if (modelName.compare("prandtl") == 0) |
| 108 | { | ||
| 109 | 5232840 | Scalar mixingLength = problem.karmanConstant() * wallDistanceRough(); | |
| 110 | 2616420 | kinematicEddyViscosity = mixingLength * mixingLength * velGrad; | |
| 111 | } | ||
| 112 |
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2645128 | else if (modelName.compare("vanDriest") == 0) |
| 113 | { | ||
| 114 | ✗ | Scalar mixingLength = problem.karmanConstant() * wallDistanceRough() | |
| 115 | ✗ | * (1.0 - exp(-yPlusRough() / 26.0)) | |
| 116 | ✗ | / sqrt(1.0 - exp(-0.26 * yPlusRough())); | |
| 117 | ✗ | kinematicEddyViscosity = mixingLength * mixingLength * velGrad; | |
| 118 | } | ||
| 119 |
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2645128 | else if (modelName.compare("baldwinLomax") == 0) |
| 120 | { | ||
| 121 | 5290256 | kinematicEddyViscosity = problem.kinematicEddyViscosity(RANSParentType::elementIdx()); | |
| 122 | } | ||
| 123 | else | ||
| 124 | { | ||
| 125 | ✗ | DUNE_THROW(Dune::NotImplemented, | |
| 126 | "The eddy viscosity model \"" << modelName << "\" is not implemented."); | ||
| 127 | } | ||
| 128 | |||
| 129 | 10523096 | return kinematicEddyViscosity * RANSParentType::density(); | |
| 130 | } | ||
| 131 | |||
| 132 | /*! | ||
| 133 | * \brief Return the wall distance \f$\mathrm{[m]}\f$ including an additional roughness length | ||
| 134 | */ | ||
| 135 | Scalar wallDistanceRough() const | ||
| 136 | 7877968 | { return RANSParentType::wallDistance() + additionalRoughnessLength_; } | |
| 137 | |||
| 138 | /*! | ||
| 139 | * \brief Return the dimensionless wall distance \f$\mathrm{[-]}\f$ including an additional roughness length | ||
| 140 | */ | ||
| 141 | ✗ | Scalar yPlusRough() const | |
| 142 | ✗ | { return yPlusRough_; } | |
| 143 | |||
| 144 | protected: | ||
| 145 | Scalar additionalRoughnessLength_ = 0.0; | ||
| 146 | Scalar yPlusRough_ = 0.0; | ||
| 147 | }; | ||
| 148 | |||
| 149 | } // end namespace Dumux | ||
| 150 | |||
| 151 | #endif | ||
| 152 |