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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 BoundaryTests | ||
| 10 | * \brief Free-flow sub-problem for the coupled 1p_1p free-flow/pore-network-model test | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_TEST_MULTIDOMAIN_BOUNDARY_FREEFLOW_PORE_NETWORK_PROBLEM_FREEFLOW_HH | ||
| 14 | #define DUMUX_TEST_MULTIDOMAIN_BOUNDARY_FREEFLOW_PORE_NETWORK_PROBLEM_FREEFLOW_HH | ||
| 15 | |||
| 16 | #include <dumux/common/properties.hh> | ||
| 17 | |||
| 18 | #include <dumux/freeflow/navierstokes/boundarytypes.hh> | ||
| 19 | #include <dumux/freeflow/navierstokes/momentum/fluxhelper.hh> | ||
| 20 | #include <dumux/freeflow/navierstokes/scalarfluxhelper.hh> | ||
| 21 | #include <dumux/freeflow/navierstokes/mass/1p/advectiveflux.hh> | ||
| 22 | |||
| 23 | namespace Dumux { | ||
| 24 | |||
| 25 | /*! | ||
| 26 | * \ingroup BoundaryTests | ||
| 27 | * \brief Free-flow sub-problem for the coupled 1p_1p free-flow/pore-network-model test | ||
| 28 | * A two-dimensional Stokes flow region coupled to a pore-network model. | ||
| 29 | */ | ||
| 30 | template <class TypeTag, class BaseProblem> | ||
| 31 | class FreeFlowOnePTestProblem : public BaseProblem | ||
| 32 | { | ||
| 33 | using ParentType = BaseProblem; | ||
| 34 | |||
| 35 | using BoundaryTypes = typename ParentType::BoundaryTypes; | ||
| 36 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 37 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 38 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 39 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 40 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 41 | using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>; | ||
| 42 | using InitialValues = typename ParentType::InitialValues; | ||
| 43 | using Sources = typename ParentType::Sources; | ||
| 44 | using DirichletValues = typename ParentType::DirichletValues; | ||
| 45 | using BoundaryFluxes = typename ParentType::BoundaryFluxes; | ||
| 46 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 47 | using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>; | ||
| 48 | |||
| 49 | static constexpr auto dimWorld = GridGeometry::GridView::dimensionworld; | ||
| 50 | using Element = typename GridGeometry::GridView::template Codim<0>::Entity; | ||
| 51 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 52 | using VelocityVector = Dune::FieldVector<Scalar, dimWorld>; | ||
| 53 | |||
| 54 | using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>; | ||
| 55 | |||
| 56 | public: | ||
| 57 | 12 | FreeFlowOnePTestProblem(std::shared_ptr<const GridGeometry> gridGeometry, std::shared_ptr<CouplingManager> couplingManager) | |
| 58 | : ParentType(gridGeometry, couplingManager, "FreeFlow") | ||
| 59 |
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48 | , couplingManager_(couplingManager) |
| 60 | { | ||
| 61 |
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24 | problemName_ = getParam<std::string>("Vtk.OutputName") + "_" + getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name"); |
| 62 |
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12 | initialPressure_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.InitialPressure", 1e5); |
| 63 |
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12 | inletPressure_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.InletPressure", 1.01e5); |
| 64 |
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12 | outletPressure_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.OutletPressure", 1e5); |
| 65 |
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12 | verticalFlow_ = getParamFromGroup<bool>(this->paramGroup(), "Problem.VerticalFlow", false); |
| 66 | #if !ISOTHERMAL | ||
| 67 |
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4 | initialTemperature_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.InitialTemperature", 273.15 + 20.0); |
| 68 |
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4 | inletTemperature_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.InletTemperature", 273.15 + 20.0); |
| 69 |
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4 | outletTemperature_ = getParamFromGroup<Scalar>(this->paramGroup(), "Problem.OutletTemperature", 273.15 + 20.0); |
| 70 | #endif | ||
| 71 | 12 | } | |
| 72 | |||
| 73 | /*! | ||
| 74 | * \name Problem parameters | ||
| 75 | */ | ||
| 76 | // \{ | ||
| 77 | |||
| 78 | 3 | const std::string& name() const | |
| 79 |
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3 | { return problemName_; } |
| 80 | |||
| 81 | // \} | ||
| 82 | |||
| 83 | /*! | ||
| 84 | * \name Boundary conditions | ||
| 85 | */ | ||
| 86 | // \{ | ||
| 87 | |||
| 88 | /*! | ||
| 89 | * \brief Specifies which kind of boundary condition should be | ||
| 90 | * used for which equation on a given boundary segment. | ||
| 91 | * | ||
| 92 | * \param element The finite element | ||
| 93 | * \param scvf The sub control volume face | ||
| 94 | */ | ||
| 95 | 98056 | BoundaryTypes boundaryTypes(const Element& element, | |
| 96 | const SubControlVolumeFace& scvf) const | ||
| 97 | { | ||
| 98 | 98056 | BoundaryTypes values; | |
| 99 | 98056 | const auto& globalPos = scvf.center(); //avoid ambiguities at corners | |
| 100 | |||
| 101 | if constexpr (ParentType::isMomentumProblem()) | ||
| 102 | { | ||
| 103 |
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26804 | if (couplingManager_->isCoupled(CouplingManager::freeFlowMomentumIndex, CouplingManager::poreNetworkIndex, scvf)) |
| 104 | { | ||
| 105 | 1722 | values.setCouplingNeumann(Indices::momentumXBalanceIdx); | |
| 106 | 1722 | values.setCouplingNeumann(Indices::momentumYBalanceIdx); | |
| 107 | } | ||
| 108 |
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25082 | else if (onInlet_(globalPos) || onOutlet_(globalPos)) |
| 109 | 26804 | values.setAllNeumann(); | |
| 110 | else | ||
| 111 | 26804 | values.setAllDirichlet(); //e.g. fixed velocities at walls | |
| 112 | } | ||
| 113 | else | ||
| 114 | { | ||
| 115 | 76530 | if (couplingManager_->isCoupled(CouplingManager::freeFlowMassIndex, CouplingManager::poreNetworkIndex, scvf)) | |
| 116 | 71252 | values.setAllCouplingNeumann(); //mass and energy coupling | |
| 117 | 65506 | else if (onInlet_(globalPos)) | |
| 118 | 58260 | values.setAllDirichlet(); | |
| 119 |
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65506 | else if (onOutlet_(globalPos)) |
| 120 | 58260 | values.setAllNeumann(); | |
| 121 | else | ||
| 122 | 58260 | values.setAllNeumann(); //outflow or zero flux BCs for p,T | |
| 123 | } | ||
| 124 | 98056 | return values; | |
| 125 | } | ||
| 126 | |||
| 127 | /*! | ||
| 128 | * \brief Returns Dirichlet boundary values at a given position. | ||
| 129 | * | ||
| 130 | * \param globalPos The global position | ||
| 131 | */ | ||
| 132 | 54 | DirichletValues dirichletAtPos(const GlobalPosition& globalPos) const | |
| 133 | { | ||
| 134 | 54 | DirichletValues values(0.0); //velocity is 0.0 | |
| 135 | |||
| 136 | if constexpr (!ParentType::isMomentumProblem()) | ||
| 137 | { | ||
| 138 | 54 | if (onInlet_(globalPos)) | |
| 139 | { | ||
| 140 | 54 | values[Indices::pressureIdx] = inletPressure_; | |
| 141 | #if !ISOTHERMAL | ||
| 142 | ✗ | values[Indices::temperatureIdx] = inletTemperature_; | |
| 143 | #endif | ||
| 144 | } | ||
| 145 | ✗ | else if (onOutlet_(globalPos)) | |
| 146 | { | ||
| 147 | ✗ | values[Indices::pressureIdx] = outletPressure_; | |
| 148 | #if !ISOTHERMAL | ||
| 149 | ✗ | values[Indices::temperatureIdx] = outletTemperature_; | |
| 150 | #endif | ||
| 151 | } | ||
| 152 | } | ||
| 153 | 54 | return values; | |
| 154 | } | ||
| 155 | |||
| 156 | /*! | ||
| 157 | * \brief Evaluates the boundary conditions for a Neumann | ||
| 158 | * boundary segment/ control volume. | ||
| 159 | * | ||
| 160 | * This is the method for the case where the Neumann condition is | ||
| 161 | * potentially solution dependent | ||
| 162 | * | ||
| 163 | * \param element The finite element | ||
| 164 | * \param fvGeometry The finite-volume geometry | ||
| 165 | * \param elemVolVars All volume variables for the element | ||
| 166 | * \param elemFluxVarsCache Flux variables caches for all faces in stencil | ||
| 167 | * \param scvf The sub control volume face | ||
| 168 | * | ||
| 169 | * Negative values mean influx. | ||
| 170 | * E.g. for the mass balance that would be the mass flux in \f$ [ kg / (m^2 \cdot s)] \f$. | ||
| 171 | */ | ||
| 172 | template<class ElementVolumeVariables, class ElementFluxVariablesCache> | ||
| 173 | 173038 | BoundaryFluxes neumann(const Element& element, | |
| 174 | const FVElementGeometry& fvGeometry, | ||
| 175 | const ElementVolumeVariables& elemVolVars, | ||
| 176 | const ElementFluxVariablesCache& elemFluxVarsCache, | ||
| 177 | const SubControlVolumeFace& scvf) const | ||
| 178 | { | ||
| 179 | 173038 | BoundaryFluxes values(0.0); | |
| 180 | 173038 | const auto& globalPos = scvf.ipGlobal(); | |
| 181 | using SlipVelocityPolicy = NavierStokesSlipVelocity<typename GridGeometry::DiscretizationMethod, NavierStokes::SlipConditions::BJ>; | ||
| 182 | using FluxHelper = NavierStokesMomentumBoundaryFlux<typename GridGeometry::DiscretizationMethod, SlipVelocityPolicy>; | ||
| 183 | |||
| 184 | if constexpr (ParentType::isMomentumProblem()) | ||
| 185 | { | ||
| 186 | |||
| 187 |
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119050 | if (couplingManager_->isCoupled(CouplingManager::freeFlowMomentumIndex, CouplingManager::poreNetworkIndex, scvf)) |
| 188 | { | ||
| 189 | 54578 | values[scvf.normalAxis()] += couplingManager_->momentumCouplingCondition( | |
| 190 | CouplingManager::freeFlowMomentumIndex, CouplingManager::poreNetworkIndex, | ||
| 191 | fvGeometry, scvf, elemVolVars | ||
| 192 | ); | ||
| 193 | |||
| 194 | 109156 | values += FluxHelper::slipVelocityMomentumFlux( | |
| 195 | *this, fvGeometry, scvf, elemVolVars, elemFluxVarsCache | ||
| 196 | ); | ||
| 197 | } | ||
| 198 | 66008 | else if (onInlet_(globalPos)) | |
| 199 | { | ||
| 200 | 1536 | values = FluxHelper::fixedPressureMomentumFlux( | |
| 201 | *this, fvGeometry, scvf, elemVolVars, | ||
| 202 | 1536 | elemFluxVarsCache, inletPressure_, true /*zeroNormalVelocityGradient*/ | |
| 203 | ); | ||
| 204 | } | ||
| 205 |
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62936 | else if (onOutlet_(globalPos)) |
| 206 | { | ||
| 207 | 62936 | values = FluxHelper::fixedPressureMomentumFlux( | |
| 208 | *this, fvGeometry, scvf, elemVolVars, | ||
| 209 | 62936 | elemFluxVarsCache, outletPressure_, true /*zeroNormalVelocityGradient*/ | |
| 210 | ); | ||
| 211 | } | ||
| 212 | } | ||
| 213 | else | ||
| 214 | { | ||
| 215 | 53988 | if (couplingManager_->isCoupled(CouplingManager::freeFlowMassIndex, CouplingManager::poreNetworkIndex, scvf)) | |
| 216 | { | ||
| 217 | 4226 | values[Indices::conti0EqIdx] = couplingManager_->massCouplingCondition( | |
| 218 | CouplingManager::freeFlowMassIndex, CouplingManager::poreNetworkIndex, | ||
| 219 | fvGeometry, scvf, elemVolVars); | ||
| 220 | #if !ISOTHERMAL | ||
| 221 | 3080 | values[Indices::energyEqIdx] = couplingManager_->energyCouplingCondition(CouplingManager::freeFlowMassIndex, CouplingManager::poreNetworkIndex, | |
| 222 | fvGeometry, scvf, elemVolVars); | ||
| 223 | #endif | ||
| 224 | } | ||
| 225 |
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49762 | else if (onOutlet_(globalPos)) |
| 226 | { | ||
| 227 | using FluxHelper = NavierStokesScalarBoundaryFluxHelper<AdvectiveFlux<ModelTraits>>; | ||
| 228 | 13702 | DirichletValues outsideBoundaryPriVars = initialAtPos(globalPos); | |
| 229 | 13702 | values = FluxHelper::scalarOutflowFlux( | |
| 230 | *this, element, fvGeometry, scvf, elemVolVars, std::move(outsideBoundaryPriVars) | ||
| 231 | ); | ||
| 232 | } | ||
| 233 | } | ||
| 234 | |||
| 235 | 173038 | return values; | |
| 236 | } | ||
| 237 | |||
| 238 | /*! | ||
| 239 | * \brief Evaluates the source term for all phases within a given | ||
| 240 | * sub-control volume | ||
| 241 | */ | ||
| 242 | template<class ElementVolumeVariables> | ||
| 243 | Sources source(const Element& element, | ||
| 244 | const FVElementGeometry& fvGeometry, | ||
| 245 | const ElementVolumeVariables& elemVolVars, | ||
| 246 | const SubControlVolume& scv) const | ||
| 247 | { | ||
| 248 | auto source = Sources(0.0); | ||
| 249 | return source; | ||
| 250 | } | ||
| 251 | |||
| 252 | // The following function defines the initial conditions | ||
| 253 | 7351 | InitialValues initialAtPos(const GlobalPosition &globalPos) const | |
| 254 | { | ||
| 255 | 7351 | InitialValues values(0.0); //velocity is 0.0 | |
| 256 | |||
| 257 | if constexpr (!ParentType::isMomentumProblem()) | ||
| 258 | { | ||
| 259 | 7351 | values[Indices::pressureIdx] = initialPressure_; | |
| 260 | #if !ISOTHERMAL | ||
| 261 | 6550 | values[Indices::temperatureIdx] = initialTemperature_; | |
| 262 | #endif | ||
| 263 | } | ||
| 264 | return values; | ||
| 265 | } | ||
| 266 | |||
| 267 | /*! | ||
| 268 | * \brief Returns true if the scvf lies on a porous slip boundary | ||
| 269 | */ | ||
| 270 |
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34494 | bool onSlipBoundary(const FVElementGeometry& fvGeometry, const SubControlVolumeFace& scvf) const |
| 271 | { | ||
| 272 |
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34494 | assert(scvf.isFrontal()); |
| 273 |
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34494 | return scvf.boundary() && couplingManager_->isCoupled(CouplingManager::freeFlowMomentumIndex, CouplingManager::poreNetworkIndex, scvf); |
| 274 | } | ||
| 275 | |||
| 276 | /*! | ||
| 277 | * \brief Returns the beta value | ||
| 278 | */ | ||
| 279 | 21894 | Scalar betaBJ(const FVElementGeometry& fvGeometry, const SubControlVolumeFace& scvf, const GlobalPosition& tangentialVector) const | |
| 280 | { | ||
| 281 | 21894 | const Scalar radius = couplingManager_->coupledPoreInscribedRadius(fvGeometry, scvf); | |
| 282 | 21894 | return 5.73 / radius; // this value is only an approximation of wall friction is considered | |
| 283 | } | ||
| 284 | |||
| 285 | /*! | ||
| 286 | * \brief Returns the velocity in the porous medium (which is 0 by default according to Saffmann). | ||
| 287 | */ | ||
| 288 | 21894 | VelocityVector porousMediumVelocity(const FVElementGeometry& fvGeometry, const SubControlVolumeFace& scvf) const | |
| 289 | { | ||
| 290 | 21894 | return couplingManager_->interfaceThroatVelocity(fvGeometry, scvf); | |
| 291 | } | ||
| 292 | |||
| 293 | // \} | ||
| 294 | |||
| 295 | private: | ||
| 296 | |||
| 297 | 77818 | bool onInlet_(const GlobalPosition &globalPos) const | |
| 298 | { | ||
| 299 |
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77818 | if (verticalFlow_) |
| 300 | return 0; | ||
| 301 | else | ||
| 302 |
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6778 | return onLeftBoundary_(globalPos); |
| 303 | } | ||
| 304 | |||
| 305 | 95976 | bool onOutlet_(const GlobalPosition &globalPos) const | |
| 306 | { | ||
| 307 |
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95976 | if (verticalFlow_) |
| 308 | 91115 | return onUpperBoundary_(globalPos); | |
| 309 | else | ||
| 310 | 10414 | return onRightBoundary_(globalPos); | |
| 311 | } | ||
| 312 | |||
| 313 |
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6778 | bool onLeftBoundary_(const GlobalPosition &globalPos) const |
| 314 |
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6778 | { return globalPos[0] < this->gridGeometry().bBoxMin()[0] + eps_; } |
| 315 | |||
| 316 | 4861 | bool onRightBoundary_(const GlobalPosition &globalPos) const | |
| 317 | 10414 | { return globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_; } | |
| 318 | |||
| 319 | 91115 | bool onUpperBoundary_(const GlobalPosition &globalPos) const | |
| 320 | 91115 | { return globalPos[1] > this->gridGeometry().bBoxMax()[1] - eps_; } | |
| 321 | |||
| 322 | std::string problemName_; | ||
| 323 | static constexpr Scalar eps_ = 1e-6; | ||
| 324 | Scalar initialPressure_; | ||
| 325 | Scalar inletPressure_; | ||
| 326 | Scalar outletPressure_; | ||
| 327 | bool verticalFlow_; | ||
| 328 | #if !ISOTHERMAL | ||
| 329 | Scalar initialTemperature_; | ||
| 330 | Scalar inletTemperature_; | ||
| 331 | Scalar outletTemperature_; | ||
| 332 | #endif | ||
| 333 | |||
| 334 | std::shared_ptr<CouplingManager> couplingManager_; | ||
| 335 | }; | ||
| 336 | } // end namespace Dumux | ||
| 337 | |||
| 338 | #endif | ||
| 339 |