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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 PorousmediumflowModels | ||
| 10 | * \brief The primary variable switch base class for compositional models. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_PRIMARY_VARIABLE_SWITCH_HH | ||
| 14 | #define DUMUX_PRIMARY_VARIABLE_SWITCH_HH | ||
| 15 | |||
| 16 | #include <iostream> | ||
| 17 | |||
| 18 | #include <dune/common/exceptions.hh> | ||
| 19 | #include <dune/common/fvector.hh> | ||
| 20 | #include <dumux/discretization/method.hh> | ||
| 21 | #include <dumux/discretization/elementsolution.hh> | ||
| 22 | |||
| 23 | namespace Dumux { | ||
| 24 | |||
| 25 | /*! | ||
| 26 | * \ingroup PorousmediumflowModels | ||
| 27 | * \brief Empty class for models without pri var switch. | ||
| 28 | */ | ||
| 29 | class NoPrimaryVariableSwitch | ||
| 30 | { | ||
| 31 | public: | ||
| 32 | template<typename... Args> | ||
| 33 | NoPrimaryVariableSwitch(Args&&...) {} | ||
| 34 | |||
| 35 | template<typename... Args> void reset(Args&&...) {} | ||
| 36 | template<typename... Args> bool wasSwitched(Args&&...) const { return false; } | ||
| 37 | template<typename... Args> bool update(Args&&...) { return false; } | ||
| 38 | template<typename... Args> void updateSwitchedVolVars(Args&&...) {} | ||
| 39 | template<typename... Args> void updateSwitchedFluxVarsCache(Args&&...) {} | ||
| 40 | template<typename... Args> void updateDirichletConstraints(Args&&...) {} | ||
| 41 | }; | ||
| 42 | |||
| 43 | /*! | ||
| 44 | * \ingroup PorousmediumflowModels | ||
| 45 | * \brief The primary variable switch controlling the phase presence state variable. | ||
| 46 | */ | ||
| 47 | template<class Implementation> | ||
| 48 | ✗ | class PrimaryVariableSwitch | |
| 49 | { | ||
| 50 | public: | ||
| 51 | ✗ | PrimaryVariableSwitch(int verbosity = 1) | |
| 52 | ✗ | : verbosity_(verbosity) | |
| 53 | {} | ||
| 54 | |||
| 55 | //! If the primary variables were recently switched | ||
| 56 | bool wasSwitched(std::size_t dofIdxGlobal) const | ||
| 57 | { | ||
| 58 | 6832102 | return wasSwitched_[dofIdxGlobal]; | |
| 59 | } | ||
| 60 | |||
| 61 | //! Reset all flags | ||
| 62 | void reset(const std::size_t numDofs) | ||
| 63 | { | ||
| 64 |
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3283 | wasSwitched_.assign(numDofs, false); |
| 65 | } | ||
| 66 | |||
| 67 | /*! | ||
| 68 | * \brief Updates the variable switch / phase presence. | ||
| 69 | * | ||
| 70 | * \param curSol The current solution to be updated / modified | ||
| 71 | * \param gridVariables The secondary variables on the grid | ||
| 72 | * \param problem The problem | ||
| 73 | * \param gridGeometry The finite-volume grid geometry | ||
| 74 | */ | ||
| 75 | template<class SolutionVector, class GridVariables, class Problem> | ||
| 76 | 14228 | bool update(SolutionVector& curSol, | |
| 77 | GridVariables& gridVariables, | ||
| 78 | const Problem& problem, | ||
| 79 | const typename GridVariables::GridGeometry& gridGeometry) | ||
| 80 | { | ||
| 81 | 14228 | bool switched = false; | |
| 82 | 28456 | visited_.assign(wasSwitched_.size(), false); | |
| 83 | 14228 | std::size_t countSwitched = 0; | |
| 84 | |||
| 85 |
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16390 | auto fvGeometry = localView(gridGeometry); |
| 86 |
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32922 | auto elemVolVars = localView(gridVariables.curGridVolVars()); |
| 87 | |||
| 88 |
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10708350 | for (const auto& element : elements(gridGeometry.gridView())) |
| 89 | { | ||
| 90 | // make sure FVElementGeometry is bound to the element | ||
| 91 |
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8380015 | fvGeometry.bindElement(element); |
| 92 |
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8380015 | elemVolVars.bindElement(element, fvGeometry, curSol); |
| 93 | |||
| 94 |
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8379992 | const auto curElemSol = elementSolution(element, curSol, gridGeometry); |
| 95 |
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36175052 | for (auto&& scv : scvs(fvGeometry)) |
| 96 | { | ||
| 97 |
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23655064 | if (!asImp_().skipDof_(element, fvGeometry, scv, problem)) |
| 98 | { | ||
| 99 |
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8623188 | const auto dofIdxGlobal = scv.dofIndex(); |
| 100 | // Note this implies that volume variables don't differ | ||
| 101 | // in any sub control volume associated with the dof! | ||
| 102 |
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17246376 | visited_[dofIdxGlobal] = true; |
| 103 | // Compute volVars on which grounds we decide | ||
| 104 | // if we need to switch the primary variables | ||
| 105 |
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10516346 | auto& volVars = getVolVarAccess_(gridVariables.curGridVolVars(), elemVolVars, scv); |
| 106 | 8623188 | volVars.update(curElemSol, problem, element, scv); | |
| 107 | |||
| 108 |
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25869564 | if (asImp_().update_(curSol[dofIdxGlobal], volVars, dofIdxGlobal, scv.dofPosition())) |
| 109 | { | ||
| 110 | 4520 | switched = true; | |
| 111 | 4520 | ++countSwitched; | |
| 112 | } | ||
| 113 | } | ||
| 114 | } | ||
| 115 | } | ||
| 116 | |||
| 117 |
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14205 | if (verbosity_ > 0 && countSwitched > 0) |
| 118 |
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2062 | std::cout << "Switched primary variables at " << countSwitched << " dof locations on processor " |
| 119 |
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3093 | << gridGeometry.gridView().comm().rank() << "." << std::endl; |
| 120 | |||
| 121 | // make sure that if there was a variable switch in an | ||
| 122 | // other partition we will also set the switch flag for our partition. | ||
| 123 |
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28410 | if (gridGeometry.gridView().comm().size() > 1) |
| 124 |
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3918 | switched = gridGeometry.gridView().comm().max(switched); |
| 125 | |||
| 126 |
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21995 | return switched; |
| 127 | } | ||
| 128 | |||
| 129 | /*! | ||
| 130 | * \brief Updates the volume variables whose primary variables were | ||
| 131 | * switched. | ||
| 132 | * | ||
| 133 | * Required when volume variables are cached globally. | ||
| 134 | */ | ||
| 135 | template<class Problem, class GridVariables, class SolutionVector> | ||
| 136 | 1505190 | void updateSwitchedVolVars(const Problem& problem, | |
| 137 | const typename GridVariables::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 138 | const typename GridVariables::GridGeometry& gridGeometry, | ||
| 139 | GridVariables& gridVariables, | ||
| 140 | const SolutionVector& sol) | ||
| 141 | { | ||
| 142 | if constexpr (GridVariables::GridVolumeVariables::cachingEnabled) | ||
| 143 | { | ||
| 144 | // make sure FVElementGeometry is bound to the element | ||
| 145 |
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5728664 | const auto fvGeometry = localView(gridGeometry).bindElement(element); |
| 146 | |||
| 147 | // update the secondary variables if global caching is enabled | ||
| 148 |
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6171678 | for (auto&& scv : scvs(fvGeometry)) |
| 149 | { | ||
| 150 |
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3161298 | const auto dofIdxGlobal = scv.dofIndex(); |
| 151 |
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6322596 | if (asImp_().wasSwitched(dofIdxGlobal)) |
| 152 | { | ||
| 153 |
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4807 | const auto elemSol = elementSolution(element, sol, gridGeometry); |
| 154 |
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8144 | auto& volVars = gridVariables.curGridVolVars().volVars(scv); |
| 155 |
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4807 | volVars.update(elemSol, problem, element, scv); |
| 156 | } | ||
| 157 | } | ||
| 158 | } | ||
| 159 | 1505190 | } | |
| 160 | |||
| 161 | /*! | ||
| 162 | * \brief Updates the fluxVars cache for dof whose primary variables were | ||
| 163 | * switched. | ||
| 164 | * | ||
| 165 | * Required when flux variables are cached globally (not for box method). | ||
| 166 | */ | ||
| 167 | template<class Problem, class GridVariables, class SolutionVector> | ||
| 168 | 254753 | void updateSwitchedFluxVarsCache(const Problem& problem, | |
| 169 | const typename GridVariables::GridGeometry::GridView::template Codim<0>::Entity& element, | ||
| 170 | const typename GridVariables::GridGeometry& gridGeometry, | ||
| 171 | GridVariables& gridVariables, | ||
| 172 | const SolutionVector& sol) | ||
| 173 | { | ||
| 174 | if constexpr (GridVariables::GridFluxVariablesCache::cachingEnabled | ||
| 175 | && GridVariables::GridGeometry::discMethod != DiscretizationMethods::box) | ||
| 176 | { | ||
| 177 | // update the flux variables if global caching is enabled | ||
| 178 | 509506 | const auto dofIdxGlobal = gridGeometry.dofMapper().index(element); | |
| 179 | |||
| 180 |
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509506 | if (asImp_().wasSwitched(dofIdxGlobal)) |
| 181 | { | ||
| 182 | // make sure FVElementGeometry and the volume variables are bound | ||
| 183 |
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1512 | const auto fvGeometry = localView(gridGeometry).bind(element); |
| 184 |
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1668 | const auto curElemVolVars = localView(gridVariables.curGridVolVars()).bind(element, fvGeometry, sol); |
| 185 |
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834 | gridVariables.gridFluxVarsCache().updateElement(element, fvGeometry, curElemVolVars); |
| 186 | } | ||
| 187 | } | ||
| 188 | 254753 | } | |
| 189 | |||
| 190 | /*! | ||
| 191 | * \brief Updates the the primary variables state at the boundary. | ||
| 192 | * | ||
| 193 | * Required when a Dirichlet constraint (at a boundary or internal) differs from the initial condition. | ||
| 194 | */ | ||
| 195 | template<class Problem, class GridVariables, class SolutionVector> | ||
| 196 | 2573 | void updateDirichletConstraints(const Problem& problem, | |
| 197 | const typename GridVariables::GridGeometry& gridGeometry, | ||
| 198 | GridVariables& gridVariables, | ||
| 199 | SolutionVector& sol) | ||
| 200 | { | ||
| 201 | if constexpr (GridVariables::GridGeometry::discMethod == DiscretizationMethods::box || Problem::enableInternalDirichletConstraints()) | ||
| 202 | { | ||
| 203 |
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7719 | std::vector<bool> stateChanged(sol.size(), false); |
| 204 | 2573 | std::size_t countChanged = 0; | |
| 205 | |||
| 206 |
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1140566 | for (const auto& element : elements(gridGeometry.gridView())) |
| 207 | { | ||
| 208 |
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2253702 | const auto fvGeometry = localView(gridGeometry).bindElement(element); |
| 209 | |||
| 210 | // skip if the element is not at a boundary or if no internal Dirichlet constraints are set | ||
| 211 |
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1103450 | if (!Problem::enableInternalDirichletConstraints() && !fvGeometry.hasBoundaryScvf()) |
| 212 |
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805584 | continue; |
| 213 | |||
| 214 |
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276134 | const auto elemVolVars = localView(gridVariables.curGridVolVars()).bindElement(element, fvGeometry, sol); |
| 215 | |||
| 216 |
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384096 | for (const auto& scv : scvs(fvGeometry)) |
| 217 | { | ||
| 218 | 253396 | const auto dofIdx = scv.dofIndex(); | |
| 219 | |||
| 220 |
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760188 | if (stateChanged[dofIdx]) |
| 221 | continue; | ||
| 222 | |||
| 223 | if constexpr (GridVariables::GridGeometry::discMethod == DiscretizationMethods::box) | ||
| 224 | { | ||
| 225 |
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506758 | if (gridGeometry.dofOnBoundary(dofIdx)) |
| 226 | { | ||
| 227 |
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147873 | if (handleDirichletBoundaryCondition_(problem, element, scv, sol)) |
| 228 | { | ||
| 229 | 34 | stateChanged[dofIdx] = true; | |
| 230 | 17 | ++countChanged; | |
| 231 | 17 | continue; | |
| 232 | } | ||
| 233 | } | ||
| 234 | } | ||
| 235 | |||
| 236 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 237 | { | ||
| 238 | if (handleInternalDirichletConstraint_(problem, element, scv, sol)) | ||
| 239 | { | ||
| 240 | stateChanged[dofIdx] = true; | ||
| 241 | ++countChanged; | ||
| 242 | } | ||
| 243 | } | ||
| 244 | } | ||
| 245 | |||
| 246 | // update the volVars if caching is enabled | ||
| 247 | if constexpr (GridVariables::GridVolumeVariables::cachingEnabled) | ||
| 248 | { | ||
| 249 |
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25308 | if (countChanged > 0) |
| 250 | { | ||
| 251 |
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229 | const auto curElemSol = elementSolution(element, sol, gridGeometry); |
| 252 |
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1374 | for (const auto& scv : scvs(fvGeometry)) |
| 253 | { | ||
| 254 |
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2748 | if (stateChanged[scv.dofIndex()]) |
| 255 | { | ||
| 256 |
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34 | auto& volVars = getVolVarAccess_(gridVariables.curGridVolVars(), elemVolVars, scv); |
| 257 | 34 | volVars.update(curElemSol, problem, element, scv); | |
| 258 | } | ||
| 259 | } | ||
| 260 | } | ||
| 261 | } | ||
| 262 | } | ||
| 263 | |||
| 264 |
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2573 | if (verbosity_ > 0 && countChanged > 0) |
| 265 |
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2 | std::cout << "Changed primary variable states and solution values to Dirichlet states and values at " << countChanged << " dof locations on processor " |
| 266 |
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3 | << gridGeometry.gridView().comm().rank() << "." << std::endl; |
| 267 | } | ||
| 268 | 2573 | } | |
| 269 | |||
| 270 | //! The verbosity level | ||
| 271 | ✗ | int verbosity() const | |
| 272 | ✗ | { return verbosity_; } | |
| 273 | |||
| 274 | protected: | ||
| 275 | |||
| 276 | //! Return actual implementation (static polymorphism) | ||
| 277 | Implementation &asImp_() | ||
| 278 | { return *static_cast<Implementation*>(this); } | ||
| 279 | |||
| 280 | //! Return actual implementation (static polymorphism) | ||
| 281 | const Implementation &asImp_() const | ||
| 282 | { return *static_cast<const Implementation*>(this); } | ||
| 283 | |||
| 284 | // Perform variable switch at a degree of freedom location | ||
| 285 | template<class VolumeVariables, class GlobalPosition> | ||
| 286 | bool update_(typename VolumeVariables::PrimaryVariables& priVars, | ||
| 287 | const VolumeVariables& volVars, | ||
| 288 | std::size_t dofIdxGlobal, | ||
| 289 | const GlobalPosition& globalPos) | ||
| 290 | { | ||
| 291 | // evaluate if the primary variable switch would switch | ||
| 292 | // to be implemented by the deriving class | ||
| 293 | DUNE_THROW(Dune::NotImplemented, "This model seems to use a primary variable switch but none is implemented!"); | ||
| 294 | } | ||
| 295 | |||
| 296 | // Maybe skip the degree of freedom (do not switch variables at this dof) | ||
| 297 | template<class Geometry, class Problem> | ||
| 298 | 15180936 | bool skipDof_(const typename Geometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 299 | const Geometry& fvGeometry, | ||
| 300 | const typename Geometry::SubControlVolume& scv, | ||
| 301 | const Problem& problem) | ||
| 302 | { | ||
| 303 |
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62491064 | if (visited_[scv.dofIndex()]) |
| 304 | ✗ | return true; | |
| 305 | |||
| 306 |
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4509143 | if (isConstrainedDof_(element, fvGeometry, scv, problem)) |
| 307 | 123019 | return true; | |
| 308 | |||
| 309 | return false; | ||
| 310 | } | ||
| 311 | |||
| 312 | template<class Geometry, class Problem> | ||
| 313 | 4509143 | bool isConstrainedDof_(const typename Geometry::GridGeometry::GridView::template Codim<0>::Entity& element, | |
| 314 | const Geometry& fvGeometry, | ||
| 315 | const typename Geometry::SubControlVolume& scv, | ||
| 316 | const Problem& problem) | ||
| 317 | { | ||
| 318 | // Dofs can be only constrained when using the Box method or when imposing internal Dirichlet constraints | ||
| 319 | if constexpr (Geometry::GridGeometry::discMethod != DiscretizationMethods::box && !Problem::enableInternalDirichletConstraints()) | ||
| 320 | return false; | ||
| 321 | |||
| 322 | // check for internally constrained Dofs | ||
| 323 | const auto isInternallyConstrainedDof = [&]() | ||
| 324 | { | ||
| 325 | if constexpr (!Problem::enableInternalDirichletConstraints()) | ||
| 326 | return false; | ||
| 327 | else | ||
| 328 | { | ||
| 329 | const auto internalDirichletConstraints = problem.hasInternalDirichletConstraint(element, scv); | ||
| 330 | return internalDirichletConstraints.any(); | ||
| 331 | } | ||
| 332 | }; | ||
| 333 | |||
| 334 | if (isInternallyConstrainedDof()) | ||
| 335 | return true; | ||
| 336 | |||
| 337 | // check for a Dirichlet BC when using the Box method | ||
| 338 | if constexpr (Geometry::GridGeometry::discMethod == DiscretizationMethods::box) | ||
| 339 | { | ||
| 340 |
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6457213 | if (!fvGeometry.hasBoundaryScvf()) |
| 341 | 4167487 | return false; | |
| 342 | |||
| 343 | 610162 | const auto dofIdx = scv.dofIndex(); | |
| 344 |
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1828280 | if (!fvGeometry.gridGeometry().dofOnBoundary(dofIdx)) |
| 345 | return false; | ||
| 346 | |||
| 347 |
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464675 | const auto bcTypes = problem.boundaryTypes(element, scv); |
| 348 |
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929350 | if (bcTypes.hasDirichlet()) |
| 349 | return true; | ||
| 350 | } | ||
| 351 | |||
| 352 | 341656 | return false; | |
| 353 | } | ||
| 354 | |||
| 355 | template<class Problem, class Element, class SubControlVolume, class SolutionVector> | ||
| 356 | 147873 | bool handleDirichletBoundaryCondition_(const Problem& problem, | |
| 357 | const Element& element, | ||
| 358 | const SubControlVolume& scv, | ||
| 359 | SolutionVector& sol) | ||
| 360 | { | ||
| 361 | 147873 | bool changed = false; | |
| 362 |
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147873 | const auto bcTypes = problem.boundaryTypes(element, scv); |
| 363 |
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295746 | if (bcTypes.hasDirichlet()) |
| 364 | { | ||
| 365 | 24708 | const auto dirichletValues = problem.dirichlet(element, scv); | |
| 366 | 24708 | const auto dofIdx = scv.dofIndex(); | |
| 367 | |||
| 368 |
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49416 | if (sol[dofIdx].state() != dirichletValues.state()) |
| 369 | { | ||
| 370 |
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17 | if (verbosity() > 1) |
| 371 | ✗ | std::cout << "Changing primary variable state at boundary (" << sol[dofIdx].state() | |
| 372 | ✗ | << ") to the one given by the Dirichlet condition (" << dirichletValues.state() << ") at dof " << dofIdx | |
| 373 | ✗ | << ", coordinates: " << scv.dofPosition() | |
| 374 | ✗ | << std::endl; | |
| 375 | |||
| 376 | // make sure the solution vector has the right state (given by the Dirichlet BC) | ||
| 377 | 34 | sol[dofIdx].setState(dirichletValues.state()); | |
| 378 | 17 | changed = true; | |
| 379 | |||
| 380 | // overwrite initial with Dirichlet values | ||
| 381 |
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68 | for (int eqIdx = 0; eqIdx < SolutionVector::block_type::dimension; ++eqIdx) |
| 382 | { | ||
| 383 |
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51 | if (bcTypes.isDirichlet(eqIdx)) |
| 384 | { | ||
| 385 | 51 | const auto pvIdx = bcTypes.eqToDirichletIndex(eqIdx); | |
| 386 | 204 | sol[dofIdx][pvIdx] = dirichletValues[pvIdx]; | |
| 387 | } | ||
| 388 | } | ||
| 389 | } | ||
| 390 | } | ||
| 391 | |||
| 392 | 147873 | return changed; | |
| 393 | } | ||
| 394 | |||
| 395 | template<class Problem, class Element, class SubControlVolume, class SolutionVector> | ||
| 396 | bool handleInternalDirichletConstraint_(const Problem& problem, | ||
| 397 | const Element& element, | ||
| 398 | const SubControlVolume& scv, | ||
| 399 | SolutionVector& sol) | ||
| 400 | { | ||
| 401 | bool changed = false; | ||
| 402 | |||
| 403 | const auto internalDirichletConstraints = problem.hasInternalDirichletConstraint(element, scv); | ||
| 404 | if (internalDirichletConstraints.none()) | ||
| 405 | return changed; | ||
| 406 | |||
| 407 | const auto dirichletValues = problem.internalDirichlet(element, scv); | ||
| 408 | const auto dofIdx = scv.dofIndex(); | ||
| 409 | |||
| 410 | if (sol[dofIdx].state() != dirichletValues.state()) | ||
| 411 | { | ||
| 412 | if (verbosity() > 1) | ||
| 413 | std::cout << "Changing primary variable state at internal DOF (" << sol[dofIdx].state() | ||
| 414 | << ") to the one given by the internal Dirichlet constraint (" << dirichletValues.state() << ") at dof " << dofIdx | ||
| 415 | << ", coordinates: " << scv.dofPosition() | ||
| 416 | << std::endl; | ||
| 417 | |||
| 418 | // make sure the solution vector has the right state (given by the Dirichlet constraint) | ||
| 419 | sol[dofIdx].setState(dirichletValues.state()); | ||
| 420 | changed = true; | ||
| 421 | |||
| 422 | // overwrite initial with Dirichlet values | ||
| 423 | for (int pvIdx = 0; pvIdx < SolutionVector::block_type::dimension; ++pvIdx) | ||
| 424 | { | ||
| 425 | if (internalDirichletConstraints[pvIdx]) | ||
| 426 | sol[dofIdx][pvIdx] = dirichletValues[pvIdx]; | ||
| 427 | } | ||
| 428 | } | ||
| 429 | |||
| 430 | return changed; | ||
| 431 | } | ||
| 432 | |||
| 433 | std::vector<bool> wasSwitched_; | ||
| 434 | std::vector<bool> visited_; | ||
| 435 | |||
| 436 | private: | ||
| 437 | template<class GridVolumeVariables, class ElementVolumeVariables, class SubControlVolume> | ||
| 438 | typename GridVolumeVariables::VolumeVariables& | ||
| 439 | ✗ | getVolVarAccess_(GridVolumeVariables& gridVolVars, ElementVolumeVariables& elemVolVars, const SubControlVolume& scv) const | |
| 440 | { | ||
| 441 | if constexpr (GridVolumeVariables::cachingEnabled) | ||
| 442 |
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10342776 | return gridVolVars.volVars(scv); |
| 443 | else | ||
| 444 |
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5344992 | return elemVolVars[scv]; |
| 445 | } | ||
| 446 | |||
| 447 | int verbosity_; //!< The verbosity level of the primary variable switch | ||
| 448 | }; | ||
| 449 | |||
| 450 | } // end namespace dumux | ||
| 451 | |||
| 452 | #endif | ||
| 453 |