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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 Assembly | ||
| 10 | * \ingroup CCDiscretization | ||
| 11 | * \brief An assembler for Jacobian and residual contribution per element (cell-centered methods) | ||
| 12 | */ | ||
| 13 | #ifndef DUMUX_CC_LOCAL_ASSEMBLER_HH | ||
| 14 | #define DUMUX_CC_LOCAL_ASSEMBLER_HH | ||
| 15 | |||
| 16 | #include <dune/common/reservedvector.hh> | ||
| 17 | #include <dune/grid/common/gridenums.hh> // for GhostEntity | ||
| 18 | #include <dune/istl/matrixindexset.hh> | ||
| 19 | |||
| 20 | #include <dumux/common/reservedblockvector.hh> | ||
| 21 | #include <dumux/common/properties.hh> | ||
| 22 | #include <dumux/common/parameters.hh> | ||
| 23 | #include <dumux/common/numericdifferentiation.hh> | ||
| 24 | #include <dumux/common/numeqvector.hh> | ||
| 25 | #include <dumux/assembly/numericepsilon.hh> | ||
| 26 | #include <dumux/assembly/diffmethod.hh> | ||
| 27 | #include <dumux/assembly/fvlocalassemblerbase.hh> | ||
| 28 | #include <dumux/assembly/entitycolor.hh> | ||
| 29 | #include <dumux/assembly/partialreassembler.hh> | ||
| 30 | #include <dumux/discretization/fluxstencil.hh> | ||
| 31 | #include <dumux/discretization/cellcentered/elementsolution.hh> | ||
| 32 | |||
| 33 | namespace Dumux { | ||
| 34 | |||
| 35 | /*! | ||
| 36 | * \ingroup Assembly | ||
| 37 | * \ingroup CCDiscretization | ||
| 38 | * \brief A base class for all local cell-centered assemblers | ||
| 39 | * \tparam TypeTag The TypeTag | ||
| 40 | * \tparam Assembler The assembler type | ||
| 41 | * \tparam Implementation The actual implementation | ||
| 42 | * \tparam implicit Specifies whether the time discretization is implicit or not (i.e. explicit) | ||
| 43 | */ | ||
| 44 | template<class TypeTag, class Assembler, class Implementation, bool implicit> | ||
| 45 | 31534617 | class CCLocalAssemblerBase : public FVLocalAssemblerBase<TypeTag, Assembler, Implementation, implicit> | |
| 46 | { | ||
| 47 | using ParentType = FVLocalAssemblerBase<TypeTag, Assembler, Implementation, implicit>; | ||
| 48 | using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView; | ||
| 49 | using JacobianMatrix = GetPropType<TypeTag, Properties::JacobianMatrix>; | ||
| 50 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 51 | using ElementVolumeVariables = typename GetPropType<TypeTag, Properties::GridVolumeVariables>::LocalView; | ||
| 52 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 53 | |||
| 54 | public: | ||
| 55 | |||
| 56 | 27578891 | using ParentType::ParentType; | |
| 57 | |||
| 58 | /*! | ||
| 59 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 60 | * to the global matrix. The element residual is written into the right hand side. | ||
| 61 | */ | ||
| 62 | template <class ResidualVector, class PartialReassembler = DefaultPartialReassembler> | ||
| 63 | 27917227 | void assembleJacobianAndResidual(JacobianMatrix& jac, ResidualVector& res, GridVariables& gridVariables, | |
| 64 | const PartialReassembler* partialReassembler) | ||
| 65 | { | ||
| 66 | 27917227 | this->asImp_().bindLocalViews(); | |
| 67 |
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83751681 | const auto globalI = this->assembler().gridGeometry().elementMapper().index(this->element()); |
| 68 | if (partialReassembler | ||
| 69 |
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25194667 | && partialReassembler->elementColor(globalI) == EntityColor::green) |
| 70 | { | ||
| 71 |
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2718904 | res[globalI] = this->asImp_().evalLocalResidual()[0]; // forward to the internal implementation |
| 72 | } | ||
| 73 | else | ||
| 74 | { | ||
| 75 | 25922934 | res[globalI] = this->asImp_().assembleJacobianAndResidualImpl(jac, gridVariables); // forward to the internal implementation | |
| 76 | } | ||
| 77 | 27917227 | } | |
| 78 | |||
| 79 | /*! | ||
| 80 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 81 | * to the global matrix. | ||
| 82 | */ | ||
| 83 | void assembleJacobian(JacobianMatrix& jac, GridVariables& gridVariables) | ||
| 84 | { | ||
| 85 |
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180764 | this->asImp_().bindLocalViews(); |
| 86 |
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180764 | this->asImp_().assembleJacobianAndResidualImpl(jac, gridVariables); // forward to the internal implementation |
| 87 | } | ||
| 88 | |||
| 89 | /*! | ||
| 90 | * \brief Assemble the residual only | ||
| 91 | */ | ||
| 92 | template <class ResidualVector> | ||
| 93 | 1043672 | void assembleResidual(ResidualVector& res) | |
| 94 | { | ||
| 95 | 1043672 | this->asImp_().bindLocalViews(); | |
| 96 | 3131016 | const auto globalI = this->assembler().gridGeometry().elementMapper().index(this->element()); | |
| 97 |
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1043672 | res[globalI] = this->asImp_().evalLocalResidual()[0]; // forward to the internal implementation |
| 98 | |||
| 99 | using Problem = GetPropType<TypeTag, Properties::Problem>; | ||
| 100 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 101 | { | ||
| 102 | 204 | const auto applyDirichlet = [&] (const auto& scvI, | |
| 103 | const auto& dirichletValues, | ||
| 104 | const auto eqIdx, | ||
| 105 | 4 | const auto pvIdx) | |
| 106 | { | ||
| 107 | 4 | res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx]; | |
| 108 | }; | ||
| 109 | |||
| 110 | 200 | this->asImp_().enforceInternalDirichletConstraints(applyDirichlet); | |
| 111 | } | ||
| 112 | 1043672 | } | |
| 113 | }; | ||
| 114 | |||
| 115 | /*! | ||
| 116 | * \ingroup Assembly | ||
| 117 | * \ingroup CCDiscretization | ||
| 118 | * \brief An assembler for Jacobian and residual contribution per element (cell-centered methods) | ||
| 119 | * \tparam TypeTag The TypeTag | ||
| 120 | * \tparam diffMethod The differentiation method to residual compute derivatives | ||
| 121 | * \tparam implicit Specifies whether the time discretization is implicit or not not (i.e. explicit) | ||
| 122 | */ | ||
| 123 | template<class TypeTag, class Assembler, DiffMethod diffMethod = DiffMethod::numeric, bool implicit = true> | ||
| 124 | class CCLocalAssembler; | ||
| 125 | |||
| 126 | /*! | ||
| 127 | * \ingroup Assembly | ||
| 128 | * \ingroup CCDiscretization | ||
| 129 | * \brief Cell-centered scheme local assembler using numeric differentiation and implicit time discretization | ||
| 130 | */ | ||
| 131 | template<class TypeTag, class Assembler> | ||
| 132 | 18619569 | class CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, /*implicit=*/true> | |
| 133 | : public CCLocalAssemblerBase<TypeTag, Assembler, | ||
| 134 | CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, true>, true > | ||
| 135 | { | ||
| 136 | using ThisType = CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, true>; | ||
| 137 | using ParentType = CCLocalAssemblerBase<TypeTag, Assembler, ThisType, true>; | ||
| 138 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 139 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 140 | using Element = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView::template Codim<0>::Entity; | ||
| 141 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 142 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 143 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 144 | using JacobianMatrix = GetPropType<TypeTag, Properties::JacobianMatrix>; | ||
| 145 | using Problem = typename GridVariables::GridVolumeVariables::Problem; | ||
| 146 | |||
| 147 | enum { numEq = GetPropType<TypeTag, Properties::ModelTraits>::numEq() }; | ||
| 148 | enum { dim = GetPropType<TypeTag, Properties::GridGeometry>::GridView::dimension }; | ||
| 149 | |||
| 150 | using FluxStencil = Dumux::FluxStencil<FVElementGeometry>; | ||
| 151 | static constexpr int maxElementStencilSize = GridGeometry::maxElementStencilSize; | ||
| 152 | static constexpr bool enableGridFluxVarsCache = GetPropType<TypeTag, Properties::GridVariables>::GridFluxVariablesCache::cachingEnabled; | ||
| 153 | |||
| 154 | public: | ||
| 155 | |||
| 156 |
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16929813 | using ParentType::ParentType; |
| 157 | |||
| 158 | /*! | ||
| 159 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 160 | * to the global matrix. | ||
| 161 | * | ||
| 162 | * \return The element residual at the current solution. | ||
| 163 | */ | ||
| 164 | 14959905 | NumEqVector assembleJacobianAndResidualImpl(JacobianMatrix& A, GridVariables& gridVariables) | |
| 165 | { | ||
| 166 | ////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| 167 | // Calculate derivatives of all dofs in stencil with respect to the dofs in the element. In the // | ||
| 168 | // neighboring elements we do so by computing the derivatives of the fluxes which depend on the // | ||
| 169 | // actual element. In the actual element we evaluate the derivative of the entire residual. // | ||
| 170 | ////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| 171 | |||
| 172 | // get some aliases for convenience | ||
| 173 | 14959905 | const auto& element = this->element(); | |
| 174 | 14959905 | const auto& fvGeometry = this->fvGeometry(); | |
| 175 | 14959905 | const auto& gridGeometry = this->assembler().gridGeometry(); | |
| 176 | 14959905 | auto&& curElemVolVars = this->curElemVolVars(); | |
| 177 | 14959905 | auto&& elemFluxVarsCache = this->elemFluxVarsCache(); | |
| 178 | |||
| 179 | // get stencil information | ||
| 180 | 29919810 | const auto globalI = gridGeometry.elementMapper().index(element); | |
| 181 | 14959905 | const auto& connectivityMap = gridGeometry.connectivityMap(); | |
| 182 | 29919810 | const auto numNeighbors = connectivityMap[globalI].size(); | |
| 183 | |||
| 184 | // container to store the neighboring elements | ||
| 185 | 14959905 | Dune::ReservedVector<Element, maxElementStencilSize> neighborElements; | |
| 186 | 14959905 | neighborElements.resize(numNeighbors); | |
| 187 | |||
| 188 | // assemble the undeflected residual | ||
| 189 | using Residuals = ReservedBlockVector<NumEqVector, maxElementStencilSize>; | ||
| 190 | 29919810 | Residuals origResiduals(numNeighbors + 1); origResiduals = 0.0; | |
| 191 |
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26918947 | origResiduals[0] = this->evalLocalResidual()[0]; |
| 192 | |||
| 193 | // lambda for convenient evaluation of the fluxes across scvfs in the neighbors | ||
| 194 | // if the neighbor is a ghost we don't want to add anything to their residual | ||
| 195 | // so we return 0 and omit computing the flux | ||
| 196 | 485751317 | auto evalNeighborFlux = [&] (const auto& neighbor, const auto& scvf) | |
| 197 | { | ||
| 198 |
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235411764 | if (neighbor.partitionType() == Dune::GhostEntity) |
| 199 | 346196 | return NumEqVector(0.0); | |
| 200 | else | ||
| 201 | 359624524 | return this->localResidual().evalFlux(this->problem(), | |
| 202 | neighbor, | ||
| 203 | this->fvGeometry(), | ||
| 204 | this->curElemVolVars(), | ||
| 205 | 1798122620 | this->elemFluxVarsCache(), scvf); | |
| 206 | }; | ||
| 207 | |||
| 208 | // get the elements in which we need to evaluate the fluxes | ||
| 209 | // and calculate these in the undeflected state | ||
| 210 | 14959905 | unsigned int j = 1; | |
| 211 |
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198075866 | for (const auto& dataJ : connectivityMap[globalI]) |
| 212 | { | ||
| 213 |
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106665679 | neighborElements[j-1] = gridGeometry.element(dataJ.globalJ); |
| 214 |
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390946552 | for (const auto scvfIdx : dataJ.scvfsJ) |
| 215 |
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410432362 | origResiduals[j] += evalNeighborFlux(neighborElements[j-1], fvGeometry.scvf(scvfIdx)); |
| 216 | |||
| 217 | 69118123 | ++j; | |
| 218 | } | ||
| 219 | |||
| 220 | // reference to the element's scv (needed later) and corresponding vol vars | ||
| 221 |
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14959905 | const auto& scv = fvGeometry.scv(globalI); |
| 222 |
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29919810 | auto& curVolVars = ParentType::getVolVarAccess(gridVariables.curGridVolVars(), curElemVolVars, scv); |
| 223 | |||
| 224 | // save a copy of the original privars and vol vars in order | ||
| 225 | // to restore the original solution after deflection | ||
| 226 | 14959905 | const auto& curSol = this->curSol(); | |
| 227 |
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14959905 | const auto origPriVars = curSol[globalI]; |
| 228 | 14959905 | const auto origVolVars = curVolVars; | |
| 229 | |||
| 230 | // element solution container to be deflected | ||
| 231 |
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14959905 | auto elemSol = elementSolution(element, curSol, gridGeometry); |
| 232 | |||
| 233 | // derivatives in the neighbors with respect to the current elements | ||
| 234 | // in index 0 we save the derivative of the element residual with respect to it's own dofs | ||
| 235 | 14959905 | Residuals partialDerivs(numNeighbors + 1); | |
| 236 | |||
| 237 |
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49677807 | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) |
| 238 | { | ||
| 239 | 34717902 | partialDerivs = 0.0; | |
| 240 | |||
| 241 | 161852928 | auto evalResiduals = [&](Scalar priVar) | |
| 242 | { | ||
| 243 | 34910862 | Residuals partialDerivsTmp(numNeighbors + 1); | |
| 244 | 34910862 | partialDerivsTmp = 0.0; | |
| 245 | // update the volume variables and the flux var cache | ||
| 246 | 57308408 | elemSol[0][pvIdx] = priVar; | |
| 247 | 69821724 | curVolVars.update(elemSol, this->problem(), element, scv); | |
| 248 | 107960087 | elemFluxVarsCache.update(element, fvGeometry, curElemVolVars); | |
| 249 | if (enableGridFluxVarsCache) | ||
| 250 |
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11996812 | gridVariables.gridFluxVarsCache().updateElement(element, fvGeometry, curElemVolVars); |
| 251 | |||
| 252 | // calculate the residual with the deflected primary variables | ||
| 253 |
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58828946 | partialDerivsTmp[0] = this->evalLocalResidual()[0]; |
| 254 | |||
| 255 | // calculate the fluxes in the neighbors with the deflected primary variables | ||
| 256 |
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193769951 | for (std::size_t k = 0; k < numNeighbors; ++k) |
| 257 |
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1179802392 | for (auto scvfIdx : connectivityMap[globalI][k].scvfsJ) |
| 258 | 903256818 | partialDerivsTmp[k+1] += evalNeighborFlux(neighborElements[k], fvGeometry.scvf(scvfIdx)); | |
| 259 | |||
| 260 | 34910862 | return partialDerivsTmp; | |
| 261 | }; | ||
| 262 | |||
| 263 | // derive the residuals numerically | ||
| 264 |
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34717902 | static const NumericEpsilon<Scalar, numEq> eps_{this->problem().paramGroup()}; |
| 265 |
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34717902 | static const int numDiffMethod = getParamFromGroup<int>(this->problem().paramGroup(), "Assembly.NumericDifferenceMethod"); |
| 266 |
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67244480 | NumericDifferentiation::partialDerivative(evalResiduals, elemSol[0][pvIdx], partialDerivs, origResiduals, |
| 267 | 67244480 | eps_(elemSol[0][pvIdx], pvIdx), numDiffMethod); | |
| 268 | |||
| 269 | // Correct derivative for ghost elements, i.e. set a 1 for the derivative w.r.t. the | ||
| 270 | // current primary variable and a 0 elsewhere. As we always solve for a delta of the | ||
| 271 | // solution with respect to the initial one, this results in a delta of 0 for ghosts. | ||
| 272 |
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34717902 | if (this->elementIsGhost()) |
| 273 | { | ||
| 274 | 171215 | partialDerivs[0] = 0.0; | |
| 275 | 510685 | partialDerivs[0][pvIdx] = 1.0; | |
| 276 | } | ||
| 277 | |||
| 278 | // restore the original state of the scv's volume variables | ||
| 279 | 34717902 | curVolVars = origVolVars; | |
| 280 | |||
| 281 | // restore the current element solution | ||
| 282 | 67244480 | elemSol[0][pvIdx] = origPriVars[pvIdx]; | |
| 283 | |||
| 284 | // add the current partial derivatives to the global jacobian matrix | ||
| 285 | // no special treatment is needed if globalJ is a ghost because then derivatives have been assembled to 0 above | ||
| 286 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 287 | { | ||
| 288 | // check if own element has internal Dirichlet constraint | ||
| 289 | const auto internalDirichletConstraintsOwnElement = this->problem().hasInternalDirichletConstraint(this->element(), scv); | ||
| 290 | const auto dirichletValues = this->problem().internalDirichlet(this->element(), scv); | ||
| 291 | |||
| 292 | for (int eqIdx = 0; eqIdx < numEq; ++eqIdx) | ||
| 293 | { | ||
| 294 | if (internalDirichletConstraintsOwnElement[eqIdx]) | ||
| 295 | { | ||
| 296 | origResiduals[0][eqIdx] = origVolVars.priVars()[eqIdx] - dirichletValues[eqIdx]; | ||
| 297 | A[globalI][globalI][eqIdx][pvIdx] = (eqIdx == pvIdx) ? 1.0 : 0.0; | ||
| 298 | } | ||
| 299 | else | ||
| 300 | A[globalI][globalI][eqIdx][pvIdx] += partialDerivs[0][eqIdx]; | ||
| 301 | } | ||
| 302 | |||
| 303 | // off-diagonal entries | ||
| 304 | j = 1; | ||
| 305 | for (const auto& dataJ : connectivityMap[globalI]) | ||
| 306 | { | ||
| 307 | const auto& neighborElement = neighborElements[j-1]; | ||
| 308 | const auto& neighborScv = fvGeometry.scv(dataJ.globalJ); | ||
| 309 | const auto internalDirichletConstraintsNeighbor = this->problem().hasInternalDirichletConstraint(neighborElement, neighborScv); | ||
| 310 | |||
| 311 | for (int eqIdx = 0; eqIdx < numEq; ++eqIdx) | ||
| 312 | { | ||
| 313 | if (internalDirichletConstraintsNeighbor[eqIdx]) | ||
| 314 | A[dataJ.globalJ][globalI][eqIdx][pvIdx] = 0.0; | ||
| 315 | else | ||
| 316 | A[dataJ.globalJ][globalI][eqIdx][pvIdx] += partialDerivs[j][eqIdx]; | ||
| 317 | } | ||
| 318 | |||
| 319 | ++j; | ||
| 320 | } | ||
| 321 | } | ||
| 322 | else // no internal Dirichlet constraints specified | ||
| 323 | { | ||
| 324 |
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123348802 | for (int eqIdx = 0; eqIdx < numEq; eqIdx++) |
| 325 | { | ||
| 326 | // the diagonal entries | ||
| 327 |
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352332276 | A[globalI][globalI][eqIdx][pvIdx] += partialDerivs[0][eqIdx]; |
| 328 | |||
| 329 | // off-diagonal entries | ||
| 330 | 88630900 | j = 1; | |
| 331 |
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1135569062 | for (const auto& dataJ : connectivityMap[globalI]) |
| 332 |
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1555949550 | A[dataJ.globalJ][globalI][eqIdx][pvIdx] += partialDerivs[j++][eqIdx]; |
| 333 | } | ||
| 334 | } | ||
| 335 | } | ||
| 336 | |||
| 337 | // restore original state of the flux vars cache in case of global caching. | ||
| 338 | // This has to be done in order to guarantee that everything is in an undeflected | ||
| 339 | // state before the assembly of another element is called. In the case of local caching | ||
| 340 | // this is obsolete because the elemFluxVarsCache used here goes out of scope after this. | ||
| 341 | // We only have to do this for the last primary variable, for all others the flux var cache | ||
| 342 | // is updated with the correct element volume variables before residual evaluations | ||
| 343 | if (enableGridFluxVarsCache) | ||
| 344 |
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5862642 | gridVariables.gridFluxVarsCache().updateElement(element, fvGeometry, curElemVolVars); |
| 345 | |||
| 346 | // return the original residual | ||
| 347 | 34023895 | return origResiduals[0]; | |
| 348 | } | ||
| 349 | }; | ||
| 350 | |||
| 351 | |||
| 352 | /*! | ||
| 353 | * \ingroup Assembly | ||
| 354 | * \ingroup CCDiscretization | ||
| 355 | * \brief Cell-centered scheme local assembler using numeric differentiation and explicit time discretization | ||
| 356 | */ | ||
| 357 | template<class TypeTag, class Assembler> | ||
| 358 | class CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, /*implicit=*/false> | ||
| 359 | : public CCLocalAssemblerBase<TypeTag, Assembler, | ||
| 360 | CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, false>, false> | ||
| 361 | { | ||
| 362 | using ThisType = CCLocalAssembler<TypeTag, Assembler, DiffMethod::numeric, false>; | ||
| 363 | using ParentType = CCLocalAssemblerBase<TypeTag, Assembler, ThisType, false>; | ||
| 364 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 365 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 366 | using Element = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView::template Codim<0>::Entity; | ||
| 367 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 368 | using JacobianMatrix = GetPropType<TypeTag, Properties::JacobianMatrix>; | ||
| 369 | using Problem = typename GridVariables::GridVolumeVariables::Problem; | ||
| 370 | |||
| 371 | enum { numEq = GetPropType<TypeTag, Properties::ModelTraits>::numEq() }; | ||
| 372 | |||
| 373 | public: | ||
| 374 | using ParentType::ParentType; | ||
| 375 | |||
| 376 | /*! | ||
| 377 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 378 | * to the global matrix. | ||
| 379 | * | ||
| 380 | * \return The element residual at the current solution. | ||
| 381 | */ | ||
| 382 | NumEqVector assembleJacobianAndResidualImpl(JacobianMatrix& A, GridVariables& gridVariables) | ||
| 383 | { | ||
| 384 | if (this->assembler().isStationaryProblem()) | ||
| 385 | DUNE_THROW(Dune::InvalidStateException, "Using explicit jacobian assembler with stationary local residual"); | ||
| 386 | |||
| 387 | // assemble the undeflected residual | ||
| 388 | auto residual = this->evalLocalResidual()[0]; | ||
| 389 | const auto storageResidual = this->evalLocalStorageResidual()[0]; | ||
| 390 | |||
| 391 | ////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| 392 | // Calculate derivatives of all dofs in stencil with respect to the dofs in the element. In the // | ||
| 393 | // neighboring elements all derivatives are zero. For the assembled element only the storage // | ||
| 394 | // derivatives are non-zero. // | ||
| 395 | ////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| 396 | |||
| 397 | // get some aliases for convenience | ||
| 398 | const auto& element = this->element(); | ||
| 399 | const auto& fvGeometry = this->fvGeometry(); | ||
| 400 | const auto& gridGeometry = this->assembler().gridGeometry(); | ||
| 401 | auto&& curElemVolVars = this->curElemVolVars(); | ||
| 402 | |||
| 403 | // reference to the element's scv (needed later) and corresponding vol vars | ||
| 404 | const auto globalI = gridGeometry.elementMapper().index(element); | ||
| 405 | const auto& scv = fvGeometry.scv(globalI); | ||
| 406 | auto& curVolVars = ParentType::getVolVarAccess(gridVariables.curGridVolVars(), curElemVolVars, scv); | ||
| 407 | |||
| 408 | // save a copy of the original privars and vol vars in order | ||
| 409 | // to restore the original solution after deflection | ||
| 410 | const auto& curSol = this->curSol(); | ||
| 411 | const auto origPriVars = curSol[globalI]; | ||
| 412 | const auto origVolVars = curVolVars; | ||
| 413 | |||
| 414 | // element solution container to be deflected | ||
| 415 | auto elemSol = elementSolution(element, curSol, gridGeometry); | ||
| 416 | |||
| 417 | NumEqVector partialDeriv; | ||
| 418 | |||
| 419 | // derivatives in the neighbors with respect to the current elements | ||
| 420 | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) | ||
| 421 | { | ||
| 422 | // reset derivatives of element dof with respect to itself | ||
| 423 | partialDeriv = 0.0; | ||
| 424 | |||
| 425 | auto evalStorage = [&](Scalar priVar) | ||
| 426 | { | ||
| 427 | // update the volume variables and calculate | ||
| 428 | // the residual with the deflected primary variables | ||
| 429 | elemSol[0][pvIdx] = priVar; | ||
| 430 | curVolVars.update(elemSol, this->problem(), element, scv); | ||
| 431 | return this->evalLocalStorageResidual()[0]; | ||
| 432 | }; | ||
| 433 | |||
| 434 | // for non-ghosts compute the derivative numerically | ||
| 435 | if (!this->elementIsGhost()) | ||
| 436 | { | ||
| 437 | static const NumericEpsilon<Scalar, numEq> eps_{this->problem().paramGroup()}; | ||
| 438 | static const int numDiffMethod = getParamFromGroup<int>(this->problem().paramGroup(), "Assembly.NumericDifferenceMethod"); | ||
| 439 | NumericDifferentiation::partialDerivative(evalStorage, elemSol[0][pvIdx], partialDeriv, storageResidual, | ||
| 440 | eps_(elemSol[0][pvIdx], pvIdx), numDiffMethod); | ||
| 441 | } | ||
| 442 | |||
| 443 | // for ghost elements we assemble a 1.0 where the primary variable and zero everywhere else | ||
| 444 | // as we always solve for a delta of the solution with respect to the initial solution this | ||
| 445 | // results in a delta of zero for ghosts | ||
| 446 | else partialDeriv[pvIdx] = 1.0; | ||
| 447 | |||
| 448 | // restore the original state of the scv's volume variables | ||
| 449 | curVolVars = origVolVars; | ||
| 450 | |||
| 451 | // restore the current element solution | ||
| 452 | elemSol[0][pvIdx] = origPriVars[pvIdx]; | ||
| 453 | |||
| 454 | // add the current partial derivatives to the global jacobian matrix | ||
| 455 | // only diagonal entries for explicit jacobians | ||
| 456 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 457 | { | ||
| 458 | // check if own element has internal Dirichlet constraint | ||
| 459 | const auto internalDirichletConstraints = this->problem().hasInternalDirichletConstraint(this->element(), scv); | ||
| 460 | const auto dirichletValues = this->problem().internalDirichlet(this->element(), scv); | ||
| 461 | |||
| 462 | for (int eqIdx = 0; eqIdx < numEq; ++eqIdx) | ||
| 463 | { | ||
| 464 | if (internalDirichletConstraints[eqIdx]) | ||
| 465 | { | ||
| 466 | residual[eqIdx] = origVolVars.priVars()[eqIdx] - dirichletValues[eqIdx]; | ||
| 467 | A[globalI][globalI][eqIdx][pvIdx] = (eqIdx == pvIdx) ? 1.0 : 0.0; | ||
| 468 | } | ||
| 469 | else | ||
| 470 | A[globalI][globalI][eqIdx][pvIdx] += partialDeriv[eqIdx]; | ||
| 471 | } | ||
| 472 | } | ||
| 473 | else | ||
| 474 | { | ||
| 475 | for (int eqIdx = 0; eqIdx < numEq; eqIdx++) | ||
| 476 | A[globalI][globalI][eqIdx][pvIdx] += partialDeriv[eqIdx]; | ||
| 477 | } | ||
| 478 | } | ||
| 479 | |||
| 480 | // return the original residual | ||
| 481 | return residual; | ||
| 482 | } | ||
| 483 | }; | ||
| 484 | |||
| 485 | /*! | ||
| 486 | * \ingroup Assembly | ||
| 487 | * \ingroup CCDiscretization | ||
| 488 | * \brief Cell-centered scheme local assembler using analytic (hand-coded) differentiation and implicit time discretization | ||
| 489 | */ | ||
| 490 | template<class TypeTag, class Assembler> | ||
| 491 | 9328248 | class CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, /*implicit=*/true> | |
| 492 | : public CCLocalAssemblerBase<TypeTag, Assembler, | ||
| 493 | CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, true>, true> | ||
| 494 | { | ||
| 495 | using ThisType = CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, true>; | ||
| 496 | using ParentType = CCLocalAssemblerBase<TypeTag, Assembler, ThisType, true>; | ||
| 497 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 498 | using JacobianMatrix = GetPropType<TypeTag, Properties::JacobianMatrix>; | ||
| 499 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 500 | using Problem = typename GridVariables::GridVolumeVariables::Problem; | ||
| 501 | |||
| 502 | enum { numEq = GetPropType<TypeTag, Properties::ModelTraits>::numEq() }; | ||
| 503 | |||
| 504 | public: | ||
| 505 |
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8817278 | using ParentType::ParentType; |
| 506 | |||
| 507 | /*! | ||
| 508 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 509 | * to the global matrix. | ||
| 510 | * | ||
| 511 | * \return The element residual at the current solution. | ||
| 512 | */ | ||
| 513 | 8315950 | NumEqVector assembleJacobianAndResidualImpl(JacobianMatrix& A, const GridVariables& gridVariables) | |
| 514 | { | ||
| 515 | // treat ghost separately, we always want zero update for ghosts | ||
| 516 |
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8315950 | if (this->elementIsGhost()) |
| 517 | { | ||
| 518 | ✗ | const auto globalI = this->assembler().gridGeometry().elementMapper().index(this->element()); | |
| 519 | ✗ | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) | |
| 520 | ✗ | A[globalI][globalI][pvIdx][pvIdx] = 1.0; | |
| 521 | |||
| 522 | // return zero residual | ||
| 523 | ✗ | return NumEqVector(0.0); | |
| 524 | } | ||
| 525 | |||
| 526 | // assemble the undeflected residual | ||
| 527 | 8315950 | auto residual = this->evalLocalResidual()[0]; | |
| 528 | |||
| 529 | // get some aliases for convenience | ||
| 530 | 8315950 | const auto& problem = this->problem(); | |
| 531 | 8315950 | const auto& element = this->element(); | |
| 532 | 8315950 | const auto& fvGeometry = this->fvGeometry(); | |
| 533 | 8315950 | const auto& curElemVolVars = this->curElemVolVars(); | |
| 534 | 8315950 | const auto& elemFluxVarsCache = this->elemFluxVarsCache(); | |
| 535 | |||
| 536 | // get reference to the element's current vol vars | ||
| 537 | 24947850 | const auto globalI = this->assembler().gridGeometry().elementMapper().index(element); | |
| 538 |
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8315950 | const auto& scv = fvGeometry.scv(globalI); |
| 539 | 8315950 | const auto& volVars = curElemVolVars[scv]; | |
| 540 | |||
| 541 | // if the problem is instationary, add derivative of storage term | ||
| 542 |
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8315950 | if (!this->assembler().isStationaryProblem()) |
| 543 | 24785748 | this->localResidual().addStorageDerivatives(A[globalI][globalI], problem, element, fvGeometry, volVars, scv); | |
| 544 | |||
| 545 | // add source term derivatives | ||
| 546 | 24947850 | this->localResidual().addSourceDerivatives(A[globalI][globalI], problem, element, fvGeometry, volVars, scv); | |
| 547 | |||
| 548 | // add flux derivatives for each scvf | ||
| 549 |
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33566816 | for (const auto& scvf : scvfs(fvGeometry)) |
| 550 | { | ||
| 551 | // inner faces | ||
| 552 |
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16934916 | if (!scvf.boundary()) |
| 553 | 33764676 | this->localResidual().addFluxDerivatives(A[globalI], problem, element, fvGeometry, curElemVolVars, elemFluxVarsCache, scvf); | |
| 554 | |||
| 555 | // boundary faces | ||
| 556 | else | ||
| 557 | { | ||
| 558 |
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52578 | const auto& bcTypes = problem.boundaryTypes(element, scvf); |
| 559 | |||
| 560 | // add Dirichlet boundary flux derivatives | ||
| 561 |
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105156 | if (bcTypes.hasDirichlet() && !bcTypes.hasNeumann()) |
| 562 | 13816 | this->localResidual().addCCDirichletFluxDerivatives(A[globalI], problem, element, fvGeometry, curElemVolVars, elemFluxVarsCache, scvf); | |
| 563 | |||
| 564 | // add Robin ("solution dependent Neumann") boundary flux derivatives | ||
| 565 |
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91340 | else if (bcTypes.hasNeumann() && !bcTypes.hasDirichlet()) |
| 566 | 76188 | this->localResidual().addRobinFluxDerivatives(A[globalI], problem, element, fvGeometry, curElemVolVars, elemFluxVarsCache, scvf); | |
| 567 | |||
| 568 | else | ||
| 569 | ✗ | DUNE_THROW(Dune::NotImplemented, "Mixed boundary conditions. Use pure boundary conditions by converting Dirichlet BCs to Robin BCs"); | |
| 570 | } | ||
| 571 | } | ||
| 572 | |||
| 573 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 574 | { | ||
| 575 | // check if own element has internal Dirichlet constraint | ||
| 576 | 200 | const auto internalDirichletConstraints = this->problem().hasInternalDirichletConstraint(this->element(), scv); | |
| 577 | 200 | const auto dirichletValues = this->problem().internalDirichlet(this->element(), scv); | |
| 578 | |||
| 579 |
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200 | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) |
| 580 | { | ||
| 581 |
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200 | for (int eqIdx = 0; eqIdx < numEq; ++eqIdx) |
| 582 | { | ||
| 583 |
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200 | if (internalDirichletConstraints[eqIdx]) |
| 584 | { | ||
| 585 | 1 | residual[eqIdx] = volVars.priVars()[eqIdx] - dirichletValues[eqIdx]; | |
| 586 | 2 | A[globalI][globalI][eqIdx][pvIdx] = (eqIdx == pvIdx) ? 1.0 : 0.0; | |
| 587 | |||
| 588 | // inner faces | ||
| 589 |
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6 | for (const auto& scvf : scvfs(fvGeometry)) |
| 590 |
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4 | if (!scvf.boundary()) |
| 591 |
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15 | A[globalI][fvGeometry.scv(scvf.outsideScvIdx()).dofIndex()][eqIdx][pvIdx] = 0.0; |
| 592 | } | ||
| 593 | } | ||
| 594 | } | ||
| 595 | } | ||
| 596 | |||
| 597 | // return element residual | ||
| 598 | 8315950 | return residual; | |
| 599 | } | ||
| 600 | }; | ||
| 601 | |||
| 602 | /*! | ||
| 603 | * \ingroup Assembly | ||
| 604 | * \ingroup CCDiscretization | ||
| 605 | * \brief Cell-centered scheme local assembler using analytic (hand-coded) differentiation and explicit time discretization | ||
| 606 | */ | ||
| 607 | template<class TypeTag, class Assembler> | ||
| 608 | 3586800 | class CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, /*implicit=*/false> | |
| 609 | : public CCLocalAssemblerBase<TypeTag, Assembler, | ||
| 610 | CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, false>, false> | ||
| 611 | { | ||
| 612 | using ThisType = CCLocalAssembler<TypeTag, Assembler, DiffMethod::analytic, false>; | ||
| 613 | using ParentType = CCLocalAssemblerBase<TypeTag, Assembler, ThisType, false>; | ||
| 614 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 615 | using JacobianMatrix = GetPropType<TypeTag, Properties::JacobianMatrix>; | ||
| 616 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 617 | using Problem = typename GridVariables::GridVolumeVariables::Problem; | ||
| 618 | |||
| 619 | enum { numEq = GetPropType<TypeTag, Properties::ModelTraits>::numEq() }; | ||
| 620 | |||
| 621 | public: | ||
| 622 |
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1831800 | using ParentType::ParentType; |
| 623 | |||
| 624 | /*! | ||
| 625 | * \brief Computes the derivatives with respect to the given element and adds them | ||
| 626 | * to the global matrix. | ||
| 627 | * | ||
| 628 | * \return The element residual at the current solution. | ||
| 629 | */ | ||
| 630 | 1331800 | NumEqVector assembleJacobianAndResidualImpl(JacobianMatrix& A, const GridVariables& gridVariables) | |
| 631 | { | ||
| 632 | // treat ghost separately, we always want zero update for ghosts | ||
| 633 |
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1331800 | if (this->elementIsGhost()) |
| 634 | { | ||
| 635 | ✗ | const auto globalI = this->assembler().gridGeometry().elementMapper().index(this->element()); | |
| 636 | ✗ | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) | |
| 637 | ✗ | A[globalI][globalI][pvIdx][pvIdx] = 1.0; | |
| 638 | |||
| 639 | // return zero residual | ||
| 640 | ✗ | return NumEqVector(0.0); | |
| 641 | } | ||
| 642 | |||
| 643 | // assemble the undeflected residual | ||
| 644 | 1331800 | const auto residual = this->evalLocalResidual()[0]; | |
| 645 | |||
| 646 | // get reference to the element's current vol vars | ||
| 647 | 3995400 | const auto globalI = this->assembler().gridGeometry().elementMapper().index(this->element()); | |
| 648 |
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2663600 | const auto& scv = this->fvGeometry().scv(globalI); |
| 649 | 2663600 | const auto& volVars = this->curElemVolVars()[scv]; | |
| 650 | |||
| 651 | // add hand-code derivative of storage term | ||
| 652 | 6659000 | this->localResidual().addStorageDerivatives(A[globalI][globalI], this->problem(), this->element(), this->fvGeometry(), volVars, scv); | |
| 653 | |||
| 654 | if constexpr (Problem::enableInternalDirichletConstraints()) | ||
| 655 | { | ||
| 656 | // check if own element has internal Dirichlet constraint | ||
| 657 | const auto internalDirichletConstraints = this->problem().hasInternalDirichletConstraint(this->element(), scv); | ||
| 658 | const auto dirichletValues = this->problem().internalDirichlet(this->element(), scv); | ||
| 659 | |||
| 660 | for (int pvIdx = 0; pvIdx < numEq; ++pvIdx) | ||
| 661 | { | ||
| 662 | for (int eqIdx = 0; eqIdx < numEq; ++eqIdx) | ||
| 663 | { | ||
| 664 | if (internalDirichletConstraints[eqIdx]) | ||
| 665 | { | ||
| 666 | residual[eqIdx] = volVars.priVars()[eqIdx] - dirichletValues[eqIdx]; | ||
| 667 | A[globalI][globalI][eqIdx][pvIdx] = (eqIdx == pvIdx) ? 1.0 : 0.0; | ||
| 668 | } | ||
| 669 | } | ||
| 670 | } | ||
| 671 | } | ||
| 672 | |||
| 673 | // return the original residual | ||
| 674 | 1331800 | return residual; | |
| 675 | } | ||
| 676 | }; | ||
| 677 | |||
| 678 | } // end namespace Dumux | ||
| 679 | |||
| 680 | #endif | ||
| 681 |