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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 TwoPOneCModel | ||
| 10 | * \copydoc Dumux::TwoPOneCPrimaryVariableSwitch | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef DUMUX_2P1C_PRIMARY_VARIABLE_SWITCH_HH | ||
| 14 | #define DUMUX_2P1C_PRIMARY_VARIABLE_SWITCH_HH | ||
| 15 | |||
| 16 | #include <iostream> | ||
| 17 | |||
| 18 | #include <dumux/porousmediumflow/2p/formulation.hh> | ||
| 19 | #include <dumux/porousmediumflow/compositional/primaryvariableswitch.hh> | ||
| 20 | |||
| 21 | namespace Dumux { | ||
| 22 | |||
| 23 | /*! | ||
| 24 | * \ingroup TwoPOneCModel | ||
| 25 | * \brief The primary variable switch for the two-phase one-component model | ||
| 26 | */ | ||
| 27 | ✗ | class TwoPOneCPrimaryVariableSwitch | |
| 28 | : public PrimaryVariableSwitch<TwoPOneCPrimaryVariableSwitch> | ||
| 29 | { | ||
| 30 | using ParentType = PrimaryVariableSwitch<TwoPOneCPrimaryVariableSwitch>; | ||
| 31 | friend ParentType; | ||
| 32 | |||
| 33 | public: | ||
| 34 | ✗ | using ParentType::ParentType; | |
| 35 | |||
| 36 | protected: | ||
| 37 | |||
| 38 | /*! | ||
| 39 | * \brief Performs variable switch at a degree of freedom location. | ||
| 40 | * | ||
| 41 | * \param priVars The primary variables at the given degree of freedom (dof) location. | ||
| 42 | * \param volVars The volume variables. | ||
| 43 | * \param dofIdxGlobal The respective dof index. | ||
| 44 | * \param globalPos The global position of the dof. | ||
| 45 | */ | ||
| 46 | template<class VolumeVariables, class GlobalPosition> | ||
| 47 | 97585 | bool update_(typename VolumeVariables::PrimaryVariables& priVars, | |
| 48 | const VolumeVariables& volVars, | ||
| 49 | std::size_t dofIdxGlobal, | ||
| 50 | const GlobalPosition& globalPos) | ||
| 51 | { | ||
| 52 | using Scalar = typename VolumeVariables::PrimaryVariables::value_type; | ||
| 53 | using FluidSystem = typename VolumeVariables::FluidSystem; | ||
| 54 | using Indices = typename VolumeVariables::Indices; | ||
| 55 | |||
| 56 | static constexpr auto formulation = VolumeVariables::priVarFormulation(); | ||
| 57 | static_assert( (formulation == TwoPFormulation::p0s1 || formulation == TwoPFormulation::p1s0), | ||
| 58 | "Chosen TwoPFormulation not supported!"); | ||
| 59 | |||
| 60 | // evaluate primary variable switch | ||
| 61 | 97585 | bool wouldSwitch = false; | |
| 62 | 97585 | int phasePresence = priVars.state(); | |
| 63 | 97585 | int newPhasePresence = phasePresence; | |
| 64 | |||
| 65 | // check if a primary var switch is necessary | ||
| 66 |
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97585 | if (phasePresence == Indices::twoPhases) |
| 67 | { | ||
| 68 | 277 | Scalar Smin = 0.0; | |
| 69 |
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831 | if (this->wasSwitched_[dofIdxGlobal]) |
| 70 | 36 | Smin = -0.01; | |
| 71 | |||
| 72 |
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554 | if (volVars.saturation(FluidSystem::gasPhaseIdx) <= Smin) |
| 73 | { | ||
| 74 | 11 | wouldSwitch = true; | |
| 75 | // gas phase disappears | ||
| 76 |
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11 | if (this->verbosity() > 1) |
| 77 | std::cout << "Gas phase (" << FluidSystem::phaseName(FluidSystem::gasPhaseIdx) | ||
| 78 | ✗ | << ") disappears at dof " << dofIdxGlobal | |
| 79 | ✗ | << ", coordinates: " << globalPos | |
| 80 | ✗ | << ", S_" << FluidSystem::phaseName(FluidSystem::gasPhaseIdx) << ": " | |
| 81 | ✗ | << volVars.saturation(FluidSystem::gasPhaseIdx) | |
| 82 | ✗ | << std::endl; | |
| 83 | 11 | newPhasePresence = Indices::liquidPhaseOnly; | |
| 84 | |||
| 85 | 44 | priVars[Indices::switchIdx] = volVars.fluidState().temperature(); | |
| 86 | } | ||
| 87 |
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532 | else if (volVars.saturation(FluidSystem::liquidPhaseIdx) <= Smin) |
| 88 | { | ||
| 89 | 12 | wouldSwitch = true; | |
| 90 | // water phase disappears | ||
| 91 |
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12 | if (this->verbosity() > 1) |
| 92 | std::cout << "Liquid phase (" << FluidSystem::phaseName(FluidSystem::liquidPhaseIdx) | ||
| 93 | ✗ | << ") disappears at dof " << dofIdxGlobal | |
| 94 | ✗ | << ", coordinates: " << globalPos | |
| 95 | ✗ | << ", S_" << FluidSystem::phaseName(FluidSystem::liquidPhaseIdx) << ": " | |
| 96 | ✗ | << volVars.saturation(FluidSystem::liquidPhaseIdx) | |
| 97 | ✗ | << std::endl; | |
| 98 | 12 | newPhasePresence = Indices::gasPhaseOnly; | |
| 99 | |||
| 100 | 48 | priVars[Indices::switchIdx] = volVars.fluidState().temperature(); | |
| 101 | } | ||
| 102 | |||
| 103 | } | ||
| 104 |
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97308 | else if (phasePresence == Indices::liquidPhaseOnly) |
| 105 | { | ||
| 106 | 194616 | const Scalar temp = volVars.fluidState().temperature(); | |
| 107 | 97308 | const Scalar tempVap = volVars.vaporTemperature(); | |
| 108 | |||
| 109 | // if the the temperature would be larger than | ||
| 110 | // the vapor temperature at the given pressure, gas phase appears | ||
| 111 |
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97308 | if (temp >= tempVap) |
| 112 | { | ||
| 113 | 47 | wouldSwitch = true; | |
| 114 | // gas phase appears | ||
| 115 |
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47 | if (this->verbosity() > 1) |
| 116 | std::cout << "Gas phase (" << FluidSystem::phaseName(FluidSystem::gasPhaseIdx) | ||
| 117 | ✗ | << ") appears at dof " << dofIdxGlobal | |
| 118 | ✗ | << ", coordinates: " << globalPos | |
| 119 | ✗ | << std::endl; | |
| 120 | 47 | newPhasePresence = Indices::twoPhases; | |
| 121 | if (formulation == TwoPFormulation::p1s0) | ||
| 122 | 94 | priVars[Indices::switchIdx] = 0.9999; // liquid phase saturation | |
| 123 | else | ||
| 124 | priVars[Indices::switchIdx] = 0.0001; | ||
| 125 | } | ||
| 126 | } | ||
| 127 | ✗ | else if (phasePresence == Indices::gasPhaseOnly) | |
| 128 | { | ||
| 129 | ✗ | const Scalar temp = volVars.fluidState().temperature(); | |
| 130 | ✗ | const Scalar tempVap = volVars.vaporTemperature(); | |
| 131 | |||
| 132 | ✗ | if (temp < tempVap) | |
| 133 | { | ||
| 134 | ✗ | wouldSwitch = true; | |
| 135 | // liquid phase appears | ||
| 136 | ✗ | if (this->verbosity() > 1) | |
| 137 | ✗ | std::cout << "Liquid phase (" << FluidSystem::phaseName(FluidSystem::liquidPhaseIdx) << ") appears at dof " << dofIdxGlobal | |
| 138 | ✗ | << ", coordinates: " << globalPos << std::endl; | |
| 139 | |||
| 140 | ✗ | newPhasePresence = Indices::twoPhases; | |
| 141 | if (formulation == TwoPFormulation::p1s0) | ||
| 142 | ✗ | priVars[Indices::switchIdx] = 0.0001; | |
| 143 | else | ||
| 144 | priVars[Indices::switchIdx] = 0.9999; | ||
| 145 | } | ||
| 146 | } | ||
| 147 |
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97585 | priVars.setState(newPhasePresence); |
| 148 |
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195170 | this->wasSwitched_[dofIdxGlobal] = wouldSwitch; |
| 149 | 97585 | return phasePresence != newPhasePresence; | |
| 150 | } | ||
| 151 | }; | ||
| 152 | |||
| 153 | } // end namespace Dumux | ||
| 154 | |||
| 155 | #endif | ||
| 156 |