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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 | #ifndef DUMUX_EXAMPLE_BLOODFLOW_SOLVER_HH | ||
| 9 | #define DUMUX_EXAMPLE_BLOODFLOW_SOLVER_HH | ||
| 10 | |||
| 11 | #include <memory> | ||
| 12 | |||
| 13 | #include <dune/foamgrid/foamgrid.hh> | ||
| 14 | |||
| 15 | #include <dumux/common/exceptions.hh> | ||
| 16 | #include <dumux/common/parameters.hh> | ||
| 17 | #include <dumux/common/properties.hh> | ||
| 18 | #include <dumux/common/numeqvector.hh> | ||
| 19 | #include <dumux/common/reorderingdofmapper.hh> | ||
| 20 | |||
| 21 | #include <dumux/io/format.hh> | ||
| 22 | |||
| 23 | #include <dumux/discretization/cctpfa.hh> | ||
| 24 | |||
| 25 | #include <dumux/porousmediumflow/problem.hh> | ||
| 26 | #include <dumux/porousmediumflow/1p/model.hh> | ||
| 27 | #include <dumux/porousmediumflow/1p/incompressiblelocalresidual.hh> | ||
| 28 | #include <dumux/porousmediumflow/fvspatialparams1p.hh> | ||
| 29 | |||
| 30 | #include <dumux/material/components/constant.hh> | ||
| 31 | #include <dumux/material/fluidsystems/1pliquid.hh> | ||
| 32 | |||
| 33 | #include <dumux/linear/istlsolvers.hh> | ||
| 34 | #include <dumux/linear/linearsolvertraits.hh> | ||
| 35 | #include <dumux/linear/linearalgebratraits.hh> | ||
| 36 | #include <dumux/assembly/fvassembler.hh> | ||
| 37 | #include <dumux/nonlinear/newtonsolver.hh> | ||
| 38 | |||
| 39 | namespace Dumux::BloodFlowSolver { | ||
| 40 | |||
| 41 | template<class TypeTag> | ||
| 42 | class BloodFlowProblem : public PorousMediumFlowProblem<TypeTag> | ||
| 43 | { | ||
| 44 | using ParentType = PorousMediumFlowProblem<TypeTag>; | ||
| 45 | |||
| 46 | using Scalar = GetPropType<TypeTag, Properties::Scalar>; | ||
| 47 | using PointSource = GetPropType<TypeTag, Properties::PointSource>; | ||
| 48 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 49 | using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>; | ||
| 50 | using BoundaryTypes = Dumux::BoundaryTypes<PrimaryVariables::size()>; | ||
| 51 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 52 | using GridView = typename GridGeometry::GridView; | ||
| 53 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 54 | using SubControlVolume = typename GridGeometry::SubControlVolume; | ||
| 55 | using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace; | ||
| 56 | using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>; | ||
| 57 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 58 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 59 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 60 | using NumEqVector = Dumux::NumEqVector<PrimaryVariables>; | ||
| 61 | static constexpr int dim = GridView::dimension; | ||
| 62 | |||
| 63 | public: | ||
| 64 | template<class GridData> | ||
| 65 | 1 | BloodFlowProblem(std::shared_ptr<const GridGeometry> gridGeometry, | |
| 66 | std::shared_ptr<GridData> gridData) | ||
| 67 |
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3 | : ParentType(gridGeometry) |
| 68 | { | ||
| 69 | // read spatial parameters | ||
| 70 |
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3 | this->spatialParams().readGridParams(*gridData); |
| 71 | |||
| 72 | // mapping from element index to boundaryFlag | ||
| 73 |
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1 | referencePressure_ = getParam<Scalar>("Problem.ReferencePressure", 0.0); |
| 74 |
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2 | setBoundaryDomainMarker_(*gridData); |
| 75 | 1 | } | |
| 76 | |||
| 77 | ✗ | PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const | |
| 78 | 3470 | { return { 0.0 }; } | |
| 79 | |||
| 80 | ///////////////////////////////////////////////////////////////////////////////// | ||
| 81 | /////// CC Tpfa ///////////////////////////////////////////////////////////////// | ||
| 82 | ✗ | BoundaryTypes boundaryTypes(const Element& element, const SubControlVolumeFace& scvf) const | |
| 83 | { | ||
| 84 |
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1008 | BoundaryTypes bcTypes; |
| 85 |
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1008 | bcTypes.setAllDirichlet(); |
| 86 | ✗ | return bcTypes; | |
| 87 | } | ||
| 88 | |||
| 89 | ✗ | PrimaryVariables dirichlet(const Element& element, const SubControlVolumeFace& scvf) const | |
| 90 | { | ||
| 91 |
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504 | PrimaryVariables values(0.0); |
| 92 |
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504 | values[Indices::pressureIdx] = this->bloodPressureBoundaryScvf(scvf.index()); |
| 93 | ✗ | return values; | |
| 94 | } | ||
| 95 | |||
| 96 | //! blood pressure for boundary sub control volume faces | ||
| 97 | 504 | Scalar bloodPressureBoundaryScvf(std::size_t scvfIndex) const | |
| 98 | { | ||
| 99 |
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504 | const auto p = bloodPressureBoundary_[scvfIndex]; |
| 100 |
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504 | if (std::isnan(p)) |
| 101 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Invalid scvf index for boundary pressure!"); | |
| 102 | 504 | return p; | |
| 103 | } | ||
| 104 | |||
| 105 | // compute volume fluxes as input for the transport model | ||
| 106 | 1 | std::vector<Scalar> computeVolumeFluxes(const SolutionVector& sol, const GridVariables& gridVars) | |
| 107 | { | ||
| 108 | 1 | const auto& gg = this->gridGeometry(); | |
| 109 | 3 | std::vector<Scalar> volumeFlux(gg.numScvf(), 0.0); | |
| 110 | |||
| 111 | using FluxVariables = GetPropType<TypeTag, Properties::FluxVariables>; | ||
| 112 | 13410 | auto upwindTerm = [](const auto& volVars) { return volVars.mobility(Indices::conti0EqIdx); }; | |
| 113 | |||
| 114 | 1 | auto fvGeometry = localView(gg); | |
| 115 | 3 | auto elemVolVars = localView(gridVars.curGridVolVars()); | |
| 116 | 2 | auto elemFluxVars = localView(gridVars.gridFluxVarsCache()); | |
| 117 |
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1737 | for (const auto& element : elements(gg.gridView())) |
| 118 | { | ||
| 119 |
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1735 | fvGeometry.bind(element); |
| 120 |
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1735 | elemVolVars.bind(element, fvGeometry, sol); |
| 121 | 1735 | elemFluxVars.bind(element, fvGeometry, elemVolVars); | |
| 122 | |||
| 123 |
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6940 | for (const auto& scvf : scvfs(fvGeometry)) |
| 124 | { | ||
| 125 | 3470 | const auto scvfIdx = scvf.index(); | |
| 126 | |||
| 127 |
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3470 | if (!scvf.boundary()) |
| 128 | { | ||
| 129 |
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3344 | FluxVariables fluxVars; |
| 130 |
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3344 | fluxVars.init(*this, element, fvGeometry, elemVolVars, scvf, elemFluxVars); |
| 131 |
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3344 | volumeFlux[scvfIdx] = fluxVars.advectiveFlux(Indices::conti0EqIdx, upwindTerm); |
| 132 | } | ||
| 133 | else | ||
| 134 | { | ||
| 135 |
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126 | const auto bcTypes = boundaryTypes(element, scvf); |
| 136 |
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252 | if (bcTypes.hasOnlyDirichlet()) // Dirichlet |
| 137 | { | ||
| 138 |
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126 | FluxVariables fluxVars; |
| 139 |
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126 | fluxVars.init(*this, element, fvGeometry, elemVolVars, scvf, elemFluxVars); |
| 140 |
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126 | volumeFlux[scvfIdx] = fluxVars.advectiveFlux(Indices::conti0EqIdx, upwindTerm); |
| 141 | } | ||
| 142 | |||
| 143 | else // Neumann | ||
| 144 | { | ||
| 145 | ✗ | volumeFlux[scvfIdx] = this->neumann(element, fvGeometry, elemVolVars, 0.0, scvf)[Indices::pressureIdx] | |
| 146 | ✗ | * scvf.area() * elemVolVars[0].extrusionFactor() | |
| 147 | ✗ | / elemVolVars[0].density(); // volume flux from mass flux | |
| 148 | } | ||
| 149 | } | ||
| 150 | } | ||
| 151 | } | ||
| 152 | |||
| 153 | 1 | return volumeFlux; | |
| 154 | } | ||
| 155 | |||
| 156 | private: | ||
| 157 | template<class GridData> | ||
| 158 | 1 | void setBoundaryDomainMarker_(const GridData& gridData) | |
| 159 | { | ||
| 160 | 1 | const auto& gg = this->gridGeometry(); | |
| 161 | |||
| 162 | // this is a bit difficult as we need to map from vertex to scvf. | ||
| 163 | // maybe an scvf specialization for 1d could help containing the vertex index? | ||
| 164 | 2 | bloodPressureBoundary_.resize(gg.numScvf(), std::numeric_limits<Scalar>::quiet_NaN()); | |
| 165 | 2 | bloodPressureVertex_.resize(gg.gridView().size(GridView::dimension), std::numeric_limits<Scalar>::quiet_NaN()); | |
| 166 | 1 | auto fvGeometry = localView(gg); | |
| 167 | 1 | std::size_t count = 0; | |
| 168 |
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3472 | for (const auto& element : elements(gg.gridView())) |
| 169 | { | ||
| 170 |
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1735 | fvGeometry.bindElement(element); |
| 171 |
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14336 | for (const auto& intersection : intersections(gg.gridView(), element)) |
| 172 | { | ||
| 173 |
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7600 | if (intersection.boundary()) |
| 174 | { | ||
| 175 | // go up to the 0 level vertex | ||
| 176 | auto level0element = intersection.inside(); | ||
| 177 |
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252 | while (level0element.hasFather()) |
| 178 | ✗ | level0element = level0element.father(); | |
| 179 | |||
| 180 | 126 | const auto scvfIdxGlobal = [&]() | |
| 181 | { | ||
| 182 |
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252 | for (const auto& scvf : scvfs(fvGeometry)) |
| 183 | { | ||
| 184 |
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126 | if (scvf.boundary()) |
| 185 |
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294 | if (Dune::FloatCmp::eq(scvf.unitOuterNormal() * intersection.centerUnitOuterNormal(), 1.0, eps_)) |
| 186 | 126 | return scvf.index(); | |
| 187 | } | ||
| 188 | |||
| 189 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Boundary scvf not found!"); | |
| 190 | |||
| 191 |
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126 | }(); |
| 192 | |||
| 193 |
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126 | const auto vertex = level0element.template subEntity<dim>(intersection.indexInInside()); |
| 194 |
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126 | bloodPressureVertex_[gg.vertexMapper().index(vertex)] = gridData.parameters(vertex)[0] - referencePressure_; |
| 195 |
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126 | bloodPressureBoundary_[scvfIdxGlobal] = gridData.parameters(vertex)[0] - referencePressure_; |
| 196 | 126 | count++; | |
| 197 | } | ||
| 198 | } | ||
| 199 | } | ||
| 200 | |||
| 201 |
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1 | std::cout << Fmt::format("Extracted boundary data at {} boundary facets.\n", count); |
| 202 | 1 | } | |
| 203 | |||
| 204 | static constexpr Scalar eps_ = 1e-7; | ||
| 205 | Scalar referencePressure_; | ||
| 206 | std::vector<Scalar> bloodPressureBoundary_; // blood pressure on boundary (Reichold/Schmid/Weber/Jenny) | ||
| 207 | std::vector<Scalar> bloodPressureVertex_; // blood pressure on boundary (Reichold/Schmid/Weber/Jenny) | ||
| 208 | }; | ||
| 209 | |||
| 210 | } //end namespace Dumux | ||
| 211 | |||
| 212 | namespace Dumux::BloodFlowSolver { | ||
| 213 | |||
| 214 | template<class GridGeometry, class Scalar> | ||
| 215 | class BloodFlowSpatialParams | ||
| 216 | : public FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, BloodFlowSpatialParams<GridGeometry, Scalar>> | ||
| 217 | { | ||
| 218 | using ThisType = BloodFlowSpatialParams<GridGeometry, Scalar>; | ||
| 219 | using ParentType = FVPorousMediumFlowSpatialParamsOneP<GridGeometry, Scalar, ThisType>; | ||
| 220 | using GridView = typename GridGeometry::GridView; | ||
| 221 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 222 | using SubControlVolume = typename GridGeometry::SubControlVolume; | ||
| 223 | using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace; | ||
| 224 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 225 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 226 | static constexpr int dim = GridView::dimension; | ||
| 227 | |||
| 228 | public: | ||
| 229 | // export permeability type | ||
| 230 | using PermeabilityType = Scalar; | ||
| 231 | |||
| 232 | 1 | BloodFlowSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry) | |
| 233 |
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4 | : ParentType(gridGeometry) |
| 234 | 1 | {} | |
| 235 | |||
| 236 | template<class ElementSolution> | ||
| 237 | ✗ | Scalar extrusionFactor(const Element& element, | |
| 238 | const SubControlVolume& scv, | ||
| 239 | const ElementSolution& elemSol) const | ||
| 240 | { | ||
| 241 | ✗ | const auto radius = this->radius(scv.elementIndex()); | |
| 242 | ✗ | return M_PI*radius*radius; | |
| 243 | } | ||
| 244 | |||
| 245 | ✗ | Scalar porosityAtPos(const GlobalPosition& globalPos) const | |
| 246 | ✗ | { return 1.0; } | |
| 247 | |||
| 248 | template<class ElementSolution> | ||
| 249 | ✗ | PermeabilityType permeability(const Element& element, | |
| 250 | const SubControlVolume& scv, | ||
| 251 | const ElementSolution& elemSol) const | ||
| 252 | { | ||
| 253 | ✗ | return permeability_[scv.elementIndex()]; | |
| 254 | } | ||
| 255 | |||
| 256 | // Return the radius of the circular pipe | ||
| 257 | Scalar radius(std::size_t eIdxGlobal) const | ||
| 258 | ✗ | { return radius_[eIdxGlobal];} | |
| 259 | |||
| 260 | //! Get the radii for e.g. output | ||
| 261 | const std::vector<Scalar>& getRadii() const | ||
| 262 | ✗ | { return radius_; } | |
| 263 | |||
| 264 | //! Get the viscosity factors for e.g. output | ||
| 265 | const std::vector<Scalar>& getViscosityFactors() const | ||
| 266 | ✗ | { return viscosityFactor_; } | |
| 267 | |||
| 268 | //! Read params from dgf | ||
| 269 | template<class GridData> | ||
| 270 | 1 | void readGridParams(const GridData& gridData) | |
| 271 | { | ||
| 272 | 1 | const auto& gg = this->gridGeometry(); | |
| 273 | 2 | auto numElements = gg.gridView().size(0); | |
| 274 | 1 | radius_.resize(numElements); | |
| 275 | 1 | permeability_.resize(numElements); | |
| 276 | 1 | viscosityFactor_.resize(numElements); | |
| 277 | |||
| 278 | // gridView is a leafGridView. Parameters are only set on level 0. | ||
| 279 | // elements have to inherit spatial parameters from their father. | ||
| 280 |
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3472 | for (const auto& element : elements(gg.gridView())) |
| 281 | { | ||
| 282 | 1735 | auto level0element = element; | |
| 283 |
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3470 | while (level0element.hasFather()) |
| 284 | ✗ | level0element = level0element.father(); | |
| 285 | |||
| 286 | 3470 | auto eIdx = gg.elementMapper().index(element); | |
| 287 | 1735 | const auto& params = gridData.parameters(level0element); | |
| 288 | 1735 | radius_[eIdx] = params[0]; | |
| 289 | |||
| 290 | 1735 | constexpr Scalar dischargeHematocrit = 0.45; | |
| 291 | 1735 | viscosityFactor_[eIdx] = etaVivo_(radius_[eIdx], dischargeHematocrit); | |
| 292 | 1735 | constexpr Scalar gamma = 2; // quadratic velocity profile (Poiseuille flow) | |
| 293 | 3470 | permeability_[eIdx] = radius_[eIdx]*radius_[eIdx] | |
| 294 | 1735 | /(2.0*viscosityFactor_[eIdx]*(2.0+gamma)); | |
| 295 | } | ||
| 296 | 1 | } | |
| 297 | |||
| 298 | ✗ | Scalar temperatureAtPos(const GlobalPosition& globalPos) const | |
| 299 | ✗ | { return 273.15 + 37.0; } // Body temperature | |
| 300 | |||
| 301 | private: | ||
| 302 | 1735 | Scalar etaVivo_(const Scalar radius, const Scalar dischargeHematocrit) | |
| 303 | { | ||
| 304 | 1735 | const auto D = 2*radius*1e6*1.187; // times rat blood factor (55fl RBC), convert to µm | |
| 305 | 1735 | const auto scaling = (D/(D - 1.1))*(D/(D - 1.1)); | |
| 306 | 1735 | const auto C = corrFactor_(D); | |
| 307 | using std::exp; using std::pow; | ||
| 308 | 1735 | return scaling*(1.0 + scaling*(etaVivoH45_(D) - 1.0)*(pow(1.0 - dischargeHematocrit, C) - 1.0)/(pow(1.0 - 0.45, C) - 1.0)); | |
| 309 | } | ||
| 310 | |||
| 311 | ✗ | Scalar etaVivoH45_(const Scalar D) // in µm | |
| 312 | { | ||
| 313 | using std::exp; using std::pow; | ||
| 314 | ✗ | return 6.0*exp(-0.085*D) - 2.44*exp(-0.06*pow(D, 0.645)) + 3.2; | |
| 315 | } | ||
| 316 | |||
| 317 | ✗ | Scalar corrFactor_(const Scalar D) // in µm | |
| 318 | { | ||
| 319 | using std::exp; using std::pow; | ||
| 320 | ✗ | const auto scaling = 1.0/(1.0 + 1e-11*pow(D, 12)); | |
| 321 | ✗ | return (0.8 + exp(-0.075*D))*(scaling - 1.0) + scaling; | |
| 322 | } | ||
| 323 | |||
| 324 | std::vector<Scalar> radius_; | ||
| 325 | std::vector<Scalar> permeability_; | ||
| 326 | std::vector<Scalar> viscosityFactor_; | ||
| 327 | }; | ||
| 328 | |||
| 329 | } // end namespace Dumux | ||
| 330 | |||
| 331 | namespace Dumux::Properties { | ||
| 332 | namespace TTag { struct BloodFlowCCTpfa { using InheritsFrom = std::tuple<OneP, CCTpfaModel>; }; } | ||
| 333 | |||
| 334 | template<class TypeTag> struct EnableGridGeometryCache<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = true; }; | ||
| 335 | template<class TypeTag> struct EnableGridVolumeVariablesCache<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = true; }; | ||
| 336 | template<class TypeTag> struct EnableGridFluxVariablesCache<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = true; }; | ||
| 337 | template<class TypeTag> struct SolutionDependentAdvection<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = false; }; | ||
| 338 | template<class TypeTag> struct SolutionDependentMolecularDiffusion<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = false; }; | ||
| 339 | template<class TypeTag> struct SolutionDependentHeatConduction<TypeTag, TTag::BloodFlowCCTpfa> { static constexpr bool value = false; }; | ||
| 340 | |||
| 341 | // Set the grid type | ||
| 342 | template<class TypeTag> | ||
| 343 | struct Grid<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 344 | { using type = Dune::FoamGrid<1, 3>; }; | ||
| 345 | |||
| 346 | // Set the problem property | ||
| 347 | template<class TypeTag> | ||
| 348 | struct Problem<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 349 | { using type = BloodFlowSolver::BloodFlowProblem<TypeTag>; }; | ||
| 350 | |||
| 351 | // Set the spatial parameters | ||
| 352 | template<class TypeTag> | ||
| 353 | struct SpatialParams<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 354 | { using type = BloodFlowSolver::BloodFlowSpatialParams<GetPropType<TypeTag, Properties::GridGeometry>, double>; }; | ||
| 355 | |||
| 356 | // the fluid system | ||
| 357 | template<class TypeTag> | ||
| 358 | struct FluidSystem<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 359 | { using type = FluidSystems::OnePLiquid<double, Components::Constant<0, double> >; }; | ||
| 360 | |||
| 361 | // Set the local residual | ||
| 362 | template<class TypeTag> | ||
| 363 | struct LocalResidual<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 364 | { using type = OnePIncompressibleLocalResidual<TypeTag>; }; | ||
| 365 | |||
| 366 | // if we have pt scotch use the reordering dof mapper to optimally sort the dofs (cc) | ||
| 367 | template<class TypeTag> | ||
| 368 | struct GridGeometry<TypeTag, TTag::BloodFlowCCTpfa> | ||
| 369 | { | ||
| 370 | private: | ||
| 371 | static constexpr bool enableCache = getPropValue<TypeTag, Properties::EnableGridGeometryCache>(); | ||
| 372 | using GridView = typename GetPropType<TypeTag, Properties::Grid>::LeafGridView; | ||
| 373 | using ElementMapper = ReorderingDofMapper<GridView>; | ||
| 374 | using VertexMapper = Dune::MultipleCodimMultipleGeomTypeMapper<GridView>; | ||
| 375 | using MapperTraits = DefaultMapperTraits<GridView, ElementMapper, VertexMapper>; | ||
| 376 | public: | ||
| 377 | using type = CCTpfaFVGridGeometry<GridView, enableCache, CCTpfaDefaultGridGeometryTraits<GridView, MapperTraits>>; | ||
| 378 | }; | ||
| 379 | |||
| 380 | } // end namespace Dumux::Properties | ||
| 381 | |||
| 382 | namespace Dumux { | ||
| 383 | |||
| 384 | template<class GridGeometry, class GridData> | ||
| 385 | 1 | std::vector<double> computeBloodVolumeFluxes(const GridGeometry& gridGeometry, const GridData& gridData) | |
| 386 | { | ||
| 387 | // Define the sub problem type tags | ||
| 388 | using TypeTag = Properties::TTag::BloodFlowCCTpfa; | ||
| 389 | |||
| 390 | // start the timer | ||
| 391 | 1 | Dune::Timer timer; | |
| 392 | |||
| 393 | //////////////////////////////////////////////////////////// | ||
| 394 | // Flow: prepare variables and problem | ||
| 395 | //////////////////////////////////////////////////////////// | ||
| 396 | using Problem = GetPropType<TypeTag, Properties::Problem>; | ||
| 397 |
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1 | auto problem = std::make_shared<Problem>(gridGeometry, gridData); |
| 398 | |||
| 399 | // the solution vector | ||
| 400 | using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>; | ||
| 401 |
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2 | SolutionVector sol; |
| 402 |
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2 | problem->applyInitialSolution(sol); |
| 403 | |||
| 404 | // the grid variables | ||
| 405 | using GridVariables = GetPropType<TypeTag, Properties::GridVariables>; | ||
| 406 |
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2 | auto gridVariables = std::make_shared<GridVariables>(problem, gridGeometry); |
| 407 |
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2 | gridVariables->init(sol); |
| 408 | |||
| 409 | // debug output | ||
| 410 | using VTKOutputModule = VtkOutputModule<GridVariables, SolutionVector>; | ||
| 411 |
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1 | std::unique_ptr<VTKOutputModule> vtkWriter; |
| 412 | |||
| 413 |
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1 | static const bool writeVTK = getParam<bool>("BloodFlow.WriteVTK", false); |
| 414 |
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1 | if (writeVTK) |
| 415 | { | ||
| 416 | ✗ | vtkWriter = std::make_unique<VTKOutputModule>(*gridVariables, sol, problem->name()); | |
| 417 | ✗ | GetPropType<TypeTag, Properties::IOFields>::initOutputModule(*vtkWriter); | |
| 418 | ✗ | vtkWriter->addVelocityOutput( | |
| 419 | std::make_shared<PorousMediumFlowVelocityOutput< | ||
| 420 | GridVariables, GetPropType<TypeTag, Properties::FluxVariables> | ||
| 421 | ✗ | >>(*gridVariables) | |
| 422 | ); | ||
| 423 | ✗ | vtkWriter->addField(problem->spatialParams().getRadii(), "radius"); | |
| 424 | ✗ | vtkWriter->addField(problem->spatialParams().getViscosityFactors(), "vessel tortuosity factor"); | |
| 425 | ✗ | vtkWriter->write(0.0, Dune::VTK::OutputType::appendedraw); | |
| 426 | } | ||
| 427 | |||
| 428 | using Assembler = FVAssembler<TypeTag, DiffMethod::analytic>; | ||
| 429 |
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2 | auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables); |
| 430 | using LinearSolver = UMFPackIstlSolver<SeqLinearSolverTraits, LinearAlgebraTraitsFromAssembler<Assembler>>; | ||
| 431 |
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2 | auto linearSolver = std::make_shared<LinearSolver>(); |
| 432 | using NewtonSolver = Dumux::NewtonSolver<Assembler, LinearSolver>; | ||
| 433 |
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5 | NewtonSolver nonLinearSolver(assembler, linearSolver); |
| 434 |
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1 | nonLinearSolver.solve(sol); |
| 435 | |||
| 436 |
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1 | if (writeVTK) |
| 437 | ✗ | vtkWriter->write(1.0, Dune::VTK::OutputType::appendedraw); | |
| 438 |
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3 | std::cout << "Flow computation took " << timer.elapsed() << " seconds." << std::endl; |
| 439 | |||
| 440 |
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4 | return problem->computeVolumeFluxes(sol, *gridVariables); |
| 441 | } | ||
| 442 | |||
| 443 | } // end namespace Dumux | ||
| 444 | |||
| 445 | #endif | ||
| 446 |