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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup ShallowWaterModels | ||
| 10 | * \copydoc Dumux::ShallowWaterResidual | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_FREEFLOW_SHALLOW_WATER_LOCAL_RESIDUAL_HH | ||
| 13 | #define DUMUX_FREEFLOW_SHALLOW_WATER_LOCAL_RESIDUAL_HH | ||
| 14 | |||
| 15 | #include <dumux/common/parameters.hh> | ||
| 16 | #include <dumux/common/properties.hh> | ||
| 17 | #include <dumux/common/numeqvector.hh> | ||
| 18 | #include <dumux/discretization/defaultlocaloperator.hh> | ||
| 19 | |||
| 20 | namespace Dumux{ | ||
| 21 | |||
| 22 | /*! | ||
| 23 | * \ingroup ShallowWaterModels | ||
| 24 | * \brief Element-wise calculation of the residual for the shallow water equations | ||
| 25 | */ | ||
| 26 | template<class TypeTag> | ||
| 27 | class ShallowWaterResidual | ||
| 28 | : public DiscretizationDefaultLocalOperator<TypeTag> | ||
| 29 | { | ||
| 30 | using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>; | ||
| 31 | using ParentType = DiscretizationDefaultLocalOperator<TypeTag>; | ||
| 32 | using Problem = GetPropType<TypeTag, Properties::Problem>; | ||
| 33 | using GridView = typename GridGeometry::GridView; | ||
| 34 | using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>; | ||
| 35 | using VolumeVariables = GetPropType<TypeTag, Properties::VolumeVariables>; | ||
| 36 | using ElementVolumeVariables = typename GetPropType<TypeTag, Properties::GridVolumeVariables>::LocalView; | ||
| 37 | using ElementFluxVariablesCache = typename GetPropType<TypeTag, Properties::GridFluxVariablesCache>::LocalView; | ||
| 38 | using FVElementGeometry = typename GridGeometry::LocalView; | ||
| 39 | using SubControlVolume = typename FVElementGeometry::SubControlVolume; | ||
| 40 | using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace; | ||
| 41 | using Element = typename GridView::template Codim<0>::Entity; | ||
| 42 | using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices; | ||
| 43 | using FluxVariables = GetPropType<TypeTag, Properties::FluxVariables>; | ||
| 44 | |||
| 45 | public: | ||
| 46 | |||
| 47 |
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6646390 | using ParentType::ParentType; |
| 48 | |||
| 49 | /*! | ||
| 50 | * \brief Evaluate the rate of change of all conservation | ||
| 51 | * quantites (e.g. mass, momentum) within a sub-control | ||
| 52 | * volume of a finite volume element. | ||
| 53 | * \param problem The problem | ||
| 54 | * \param scv The sub control volume | ||
| 55 | * \param volVars The current or previous volVars | ||
| 56 | * \note This function should not include the source and sink terms. | ||
| 57 | * \note The volVars can be different to allow computing | ||
| 58 | * the implicit euler time derivative here | ||
| 59 | */ | ||
| 60 | 21321269 | NumEqVector computeStorage(const Problem& problem, | |
| 61 | const SubControlVolume& scv, | ||
| 62 | const VolumeVariables& volVars) const | ||
| 63 | { | ||
| 64 | // partial time derivative of the phase mass | ||
| 65 | 21321269 | NumEqVector storage(0.0); | |
| 66 | 21321269 | storage[Indices::massBalanceIdx] = volVars.waterDepth(); | |
| 67 | 21321269 | storage[Indices::momentumXBalanceIdx] = volVars.waterDepth() * volVars.velocity(0); | |
| 68 | 21321269 | storage[Indices::momentumYBalanceIdx] = volVars.waterDepth() * volVars.velocity(1); | |
| 69 | return storage; | ||
| 70 | } | ||
| 71 | |||
| 72 | /*! | ||
| 73 | * \brief Evaluate the mass/momentum flux over a face of a sub control volume | ||
| 74 | * | ||
| 75 | * \param problem The problem | ||
| 76 | * \param element The current element. | ||
| 77 | * \param fvGeometry The finite-volume geometry | ||
| 78 | * \param elemVolVars The volume variables of the current element | ||
| 79 | * \param scvf The sub control volume face to compute the flux on | ||
| 80 | * \param elemFluxVarsCache the flux variable cache for the element stencil | ||
| 81 | */ | ||
| 82 | 156459425 | NumEqVector computeFlux(const Problem& problem, | |
| 83 | const Element& element, | ||
| 84 | const FVElementGeometry& fvGeometry, | ||
| 85 | const ElementVolumeVariables& elemVolVars, | ||
| 86 | const SubControlVolumeFace& scvf, | ||
| 87 | const ElementFluxVariablesCache& elemFluxVarsCache) const | ||
| 88 | { | ||
| 89 | 156459425 | NumEqVector flux(0.0); | |
| 90 | FluxVariables fluxVars; | ||
| 91 |
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625837700 | flux += fluxVars.advectiveFlux(problem, element, fvGeometry, elemVolVars, scvf); |
| 92 | |||
| 93 | // Compute viscous momentum flux contribution if required | ||
| 94 |
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156459425 | static const bool enableViscousFlux = getParamFromGroup<bool>(problem.paramGroup(), "ShallowWater.EnableViscousFlux", false); |
| 95 |
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156459425 | if (enableViscousFlux) |
| 96 |
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18332980 | flux += fluxVars.viscousFlux(problem, element, fvGeometry, elemVolVars, scvf); |
| 97 | 156459425 | return flux; | |
| 98 | } | ||
| 99 | }; | ||
| 100 | } // end namespace Dumux | ||
| 101 | |||
| 102 | #endif | ||
| 103 |