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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 Discretization | ||
| 10 | * \brief The available discretization methods in Dumux | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_METHOD_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_METHOD_HH | ||
| 14 | |||
| 15 | #include <ostream> | ||
| 16 | #include <string> | ||
| 17 | |||
| 18 | #include <dumux/common/tag.hh> | ||
| 19 | |||
| 20 | namespace Dumux::DiscretizationMethods { | ||
| 21 | |||
| 22 | /* | ||
| 23 | * \brief Cell-centered finite volume scheme with two-point flux approximation | ||
| 24 | */ | ||
| 25 | struct CCTpfa : public Utility::Tag<CCTpfa> { | ||
| 26 | ✗ | static std::string name() { return "cctpfa"; } | |
| 27 | }; | ||
| 28 | |||
| 29 | |||
| 30 | /* | ||
| 31 | * \brief Cell-centered finite volume scheme with multi-point flux approximation | ||
| 32 | */ | ||
| 33 | struct CCMpfa : public Utility::Tag<CCMpfa> { | ||
| 34 | ✗ | static std::string name() { return "ccmpfa"; } | |
| 35 | }; | ||
| 36 | |||
| 37 | |||
| 38 | /* | ||
| 39 | * \brief Control-volume finite element methods | ||
| 40 | * This is a group of discretization methods that share certain properties. | ||
| 41 | * Therefore there is a single meta-tag parametrized in terms of the actual | ||
| 42 | * discretization method in the group. Having a common tag allows to specialize | ||
| 43 | * template agnostic of the underlying discretization type | ||
| 44 | */ | ||
| 45 | template<class DM> | ||
| 46 | struct CVFE : public Utility::Tag<CVFE<DM>> { | ||
| 47 | 12 | static std::string name() { return DM::name(); } | |
| 48 | }; | ||
| 49 | |||
| 50 | |||
| 51 | #ifndef DOXYGEN | ||
| 52 | namespace Detail { | ||
| 53 | |||
| 54 | template<class DM> | ||
| 55 | struct IsCVFE : public std::false_type {}; | ||
| 56 | |||
| 57 | template<class DM> | ||
| 58 | struct IsCVFE<CVFE<DM>> : public std::true_type {}; | ||
| 59 | |||
| 60 | } // end namespace Detail | ||
| 61 | #endif | ||
| 62 | |||
| 63 | /* | ||
| 64 | * \brief Template variable that is true when the discretization method DM is a CVFE schemes | ||
| 65 | */ | ||
| 66 | template<class DM> | ||
| 67 | inline constexpr bool isCVFE = Detail::IsCVFE<DM>::value; | ||
| 68 | |||
| 69 | |||
| 70 | /* | ||
| 71 | * \brief Various control volume finite element discretization methods | ||
| 72 | */ | ||
| 73 | namespace CVFEMethods { | ||
| 74 | |||
| 75 | struct PQ1 { | ||
| 76 | static std::string name() { return "box"; } | ||
| 77 | }; | ||
| 78 | |||
| 79 | struct CR_RT { | ||
| 80 |
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20 | static std::string name() { return "fcdiamond"; } |
| 81 | }; | ||
| 82 | |||
| 83 | struct PQ1Bubble { | ||
| 84 |
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4 | static std::string name() { return "pq1bubble"; } |
| 85 | }; | ||
| 86 | |||
| 87 | } // end namespace CVFEMethods | ||
| 88 | |||
| 89 | |||
| 90 | /* | ||
| 91 | * \brief Vertex-centered finite volume scheme | ||
| 92 | * or control-volume finite element scheme based on a P1 (simplices) or Q1 (quads) basis | ||
| 93 | */ | ||
| 94 | using Box = CVFE<CVFEMethods::PQ1>; | ||
| 95 | |||
| 96 | /* | ||
| 97 | * \brief Face-centered finite volume scheme | ||
| 98 | * or control-volume finite element scheme based on | ||
| 99 | * Crouzeix-Raviart (simplices) or Rannacher-Turek (quads) basis | ||
| 100 | */ | ||
| 101 | using FCDiamond = CVFE<CVFEMethods::CR_RT>; | ||
| 102 | |||
| 103 | /* | ||
| 104 | * \brief Vertex- and cell-centered finite volume scheme | ||
| 105 | * or control-volume finite element scheme based on | ||
| 106 | * linear Lagrangian elements with bubble function | ||
| 107 | */ | ||
| 108 | using PQ1Bubble = CVFE<CVFEMethods::PQ1Bubble>; | ||
| 109 | |||
| 110 | |||
| 111 | /* | ||
| 112 | * \brief Staggered-grid finite volume scheme (old) | ||
| 113 | */ | ||
| 114 | struct Staggered : public Utility::Tag<Staggered> { | ||
| 115 | ✗ | static std::string name() { return "staggered"; } | |
| 116 | }; | ||
| 117 | |||
| 118 | |||
| 119 | /* | ||
| 120 | * \brief Finite element method | ||
| 121 | */ | ||
| 122 | struct FEM : public Utility::Tag<FEM> { | ||
| 123 | static std::string name() { return "fem"; } | ||
| 124 | }; | ||
| 125 | |||
| 126 | |||
| 127 | /* | ||
| 128 | * \brief Staggered-grid finite volume scheme | ||
| 129 | */ | ||
| 130 | struct FCStaggered : public Utility::Tag<FCStaggered> { | ||
| 131 |
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15 | static std::string name() { return "fcstaggered"; } |
| 132 | }; | ||
| 133 | |||
| 134 | |||
| 135 | /* | ||
| 136 | * \brief Tag used for defaults not depending on the discretization | ||
| 137 | * or in situations where a discretization tag is needed but none | ||
| 138 | * can be provided (the implementation has to support this of course) | ||
| 139 | */ | ||
| 140 | struct None : public Utility::Tag<None> { | ||
| 141 | static std::string name() { return "none"; } | ||
| 142 | }; | ||
| 143 | |||
| 144 | |||
| 145 | inline constexpr CCTpfa cctpfa{}; | ||
| 146 | inline constexpr CCMpfa ccmpfa{}; | ||
| 147 | inline constexpr Box box{}; | ||
| 148 | inline constexpr PQ1Bubble pq1bubble{}; | ||
| 149 | inline constexpr Staggered staggered{}; | ||
| 150 | inline constexpr FEM fem{}; | ||
| 151 | inline constexpr FCStaggered fcstaggered{}; | ||
| 152 | inline constexpr FCDiamond fcdiamond{}; | ||
| 153 | inline constexpr None none{}; | ||
| 154 | |||
| 155 | } // end namespace Dumux::DiscretizationMethods | ||
| 156 | |||
| 157 | #endif | ||
| 158 |