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Merge pull request #5562 from nilsdeppe/wcns5z_ghmhd
Add Wcns5z for ghmhd, add Enable options to LimitLorentz & FixConservatives
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389 changes: 389 additions & 0 deletions
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src/Evolution/Systems/GrMhd/GhValenciaDivClean/FiniteDifference/Wcns5z.cpp
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src/Evolution/Systems/GrMhd/GhValenciaDivClean/FiniteDifference/Wcns5z.hpp
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| // Distributed under the MIT License. | ||
| // See LICENSE.txt for details. | ||
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| #pragma once | ||
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| #include <array> | ||
| #include <cstddef> | ||
| #include <limits> | ||
| #include <memory> | ||
| #include <utility> | ||
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| #include "DataStructures/FixedHashMap.hpp" | ||
| #include "DataStructures/Variables.hpp" | ||
| #include "DataStructures/VariablesTag.hpp" | ||
| #include "Domain/Structure/MaxNumberOfNeighbors.hpp" | ||
| #include "Domain/Tags.hpp" | ||
| #include "Evolution/DgSubcell/Tags/GhostDataForReconstruction.hpp" | ||
| #include "Evolution/DgSubcell/Tags/Mesh.hpp" | ||
| #include "Evolution/Systems/GeneralizedHarmonic/Tags.hpp" | ||
| #include "Evolution/Systems/GrMhd/GhValenciaDivClean/FiniteDifference/Reconstructor.hpp" | ||
| #include "Evolution/Systems/GrMhd/GhValenciaDivClean/System.hpp" | ||
| #include "Evolution/Systems/GrMhd/ValenciaDivClean/Tags.hpp" | ||
| #include "NumericalAlgorithms/FiniteDifference/FallbackReconstructorType.hpp" | ||
| #include "Options/Auto.hpp" | ||
| #include "Options/Context.hpp" | ||
| #include "Options/String.hpp" | ||
| #include "PointwiseFunctions/Hydro/Tags.hpp" | ||
| #include "Utilities/TMPL.hpp" | ||
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| /// \cond | ||
| class DataVector; | ||
| template <size_t Dim> | ||
| class Direction; | ||
| template <size_t Dim> | ||
| class Element; | ||
| template <size_t Dim> | ||
| class ElementId; | ||
| namespace EquationsOfState { | ||
| template <bool IsRelativistic, size_t ThermodynamicDim> | ||
| class EquationOfState; | ||
| } // namespace EquationsOfState | ||
| template <size_t Dim> | ||
| class Mesh; | ||
| namespace gsl { | ||
| template <typename T> | ||
| class not_null; | ||
| } // namespace gsl | ||
| namespace PUP { | ||
| class er; | ||
| } // namespace PUP | ||
| template <typename TagsList> | ||
| class Variables; | ||
| namespace evolution::dg::subcell { | ||
| class GhostData; | ||
| } // namespace evolution::dg::subcell | ||
| /// \endcond | ||
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| namespace grmhd::GhValenciaDivClean::fd { | ||
| /*! | ||
| * \brief Fifth order weighted nonlinear compact scheme reconstruction using the | ||
| * Z oscillation indicator. See ::fd::reconstruction::wcns5z() for details. | ||
| * | ||
| */ | ||
| class Wcns5zPrim : public Reconstructor { | ||
| private: | ||
| using prims_to_reconstruct_tags = | ||
| tmpl::list<hydro::Tags::RestMassDensity<DataVector>, | ||
| hydro::Tags::ElectronFraction<DataVector>, | ||
| hydro::Tags::Temperature<DataVector>, | ||
| hydro::Tags::LorentzFactorTimesSpatialVelocity<DataVector, 3>, | ||
| hydro::Tags::MagneticField<DataVector, 3>, | ||
| hydro::Tags::DivergenceCleaningField<DataVector>>; | ||
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| using FallbackReconstructorType = | ||
| ::fd::reconstruction::FallbackReconstructorType; | ||
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| public: | ||
| static constexpr size_t dim = 3; | ||
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| struct NonlinearWeightExponent { | ||
| using type = size_t; | ||
| static constexpr Options::String help = { | ||
| "The exponent q to which the oscillation indicator term is raised"}; | ||
| }; | ||
| struct Epsilon { | ||
| using type = double; | ||
| static constexpr Options::String help = { | ||
| "The parameter added to the oscillation indicators to avoid division " | ||
| "by zero"}; | ||
| }; | ||
| struct FallbackReconstructor { | ||
| using type = FallbackReconstructorType; | ||
| static constexpr Options::String help = { | ||
| "A reconstruction scheme to fallback to adaptively. Finite difference " | ||
| "will switch to this reconstruction scheme if there are more extrema " | ||
| "in a FD stencil than a specified number. See also the option " | ||
| "'MaxNumberOfExtrema' below. Adaptive fallback is disabled if 'None'."}; | ||
| }; | ||
| struct MaxNumberOfExtrema { | ||
| using type = size_t; | ||
| static constexpr Options::String help = { | ||
| "The maximum allowed number of extrema in FD stencil for using Wcns5z " | ||
| "reconstruction before switching to a low-order reconstruction. If " | ||
| "FallbackReconstructor=None, this option is ignored"}; | ||
| }; | ||
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| using options = tmpl::list<NonlinearWeightExponent, Epsilon, | ||
| FallbackReconstructor, MaxNumberOfExtrema>; | ||
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| static constexpr Options::String help{ | ||
| "WCNS 5Z reconstruction scheme using primitive variables."}; | ||
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| Wcns5zPrim() = default; | ||
| Wcns5zPrim(Wcns5zPrim&&) = default; | ||
| Wcns5zPrim& operator=(Wcns5zPrim&&) = default; | ||
| Wcns5zPrim(const Wcns5zPrim&) = default; | ||
| Wcns5zPrim& operator=(const Wcns5zPrim&) = default; | ||
| ~Wcns5zPrim() override = default; | ||
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| Wcns5zPrim(size_t nonlinear_weight_exponent, double epsilon, | ||
| FallbackReconstructorType fallback_reconstructor, | ||
| size_t max_number_of_extrema); | ||
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| explicit Wcns5zPrim(CkMigrateMessage* msg); | ||
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| WRAPPED_PUPable_decl_base_template(Reconstructor, Wcns5zPrim); | ||
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| auto get_clone() const -> std::unique_ptr<Reconstructor> override; | ||
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| static constexpr bool use_adaptive_order = false; | ||
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| void pup(PUP::er& p) override; | ||
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| size_t ghost_zone_size() const override { return 3; } | ||
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| using reconstruction_argument_tags = | ||
| tmpl::list<::Tags::Variables<hydro::grmhd_tags<DataVector>>, | ||
| typename System::variables_tag, | ||
| hydro::Tags::EquationOfStateBase, domain::Tags::Element<dim>, | ||
| evolution::dg::subcell::Tags::GhostDataForReconstruction<dim>, | ||
| evolution::dg::subcell::Tags::Mesh<dim>>; | ||
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| template <size_t ThermodynamicDim, typename TagsList> | ||
| void reconstruct( | ||
| gsl::not_null<std::array<Variables<TagsList>, dim>*> vars_on_lower_face, | ||
| gsl::not_null<std::array<Variables<TagsList>, dim>*> vars_on_upper_face, | ||
| const Variables<hydro::grmhd_tags<DataVector>>& volume_prims, | ||
| const Variables<typename System::variables_tag::type::tags_list>& | ||
| volume_spacetime_and_cons_vars, | ||
| const EquationsOfState::EquationOfState<true, ThermodynamicDim>& eos, | ||
| const Element<dim>& element, | ||
| const FixedHashMap< | ||
| maximum_number_of_neighbors(dim), | ||
| std::pair<Direction<dim>, ElementId<dim>>, | ||
| evolution::dg::subcell::GhostData, | ||
| boost::hash<std::pair<Direction<dim>, ElementId<dim>>>>& ghost_data, | ||
| const Mesh<dim>& subcell_mesh) const; | ||
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| template <size_t ThermodynamicDim, typename TagsList> | ||
| void reconstruct_fd_neighbor( | ||
| gsl::not_null<Variables<TagsList>*> vars_on_face, | ||
| const Variables<hydro::grmhd_tags<DataVector>>& subcell_volume_prims, | ||
| const Variables< | ||
| grmhd::GhValenciaDivClean::Tags::spacetime_reconstruction_tags>& | ||
| subcell_volume_spacetime_metric, | ||
| const EquationsOfState::EquationOfState<true, ThermodynamicDim>& eos, | ||
| const Element<dim>& element, | ||
| const FixedHashMap< | ||
| maximum_number_of_neighbors(dim), | ||
| std::pair<Direction<dim>, ElementId<dim>>, | ||
| evolution::dg::subcell::GhostData, | ||
| boost::hash<std::pair<Direction<dim>, ElementId<dim>>>>& ghost_data, | ||
| const Mesh<dim>& subcell_mesh, | ||
| const Direction<dim>& direction_to_reconstruct) const; | ||
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| private: | ||
| // NOLINTNEXTLINE(readability-redundant-declaration) | ||
| friend bool operator==(const Wcns5zPrim& lhs, const Wcns5zPrim& rhs); | ||
| friend bool operator!=(const Wcns5zPrim& lhs, const Wcns5zPrim& rhs); | ||
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| size_t nonlinear_weight_exponent_ = 0; | ||
| double epsilon_ = std::numeric_limits<double>::signaling_NaN(); | ||
| FallbackReconstructorType fallback_reconstructor_ = | ||
| FallbackReconstructorType::None; | ||
| size_t max_number_of_extrema_ = 0; | ||
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| void (*reconstruct_)(gsl::not_null<std::array<gsl::span<double>, dim>*>, | ||
| gsl::not_null<std::array<gsl::span<double>, dim>*>, | ||
| const gsl::span<const double>&, | ||
| const DirectionMap<dim, gsl::span<const double>>&, | ||
| const Index<dim>&, size_t, double, size_t) = nullptr; | ||
| void (*reconstruct_lower_neighbor_)(gsl::not_null<DataVector*>, | ||
| const DataVector&, const DataVector&, | ||
| const Index<dim>&, const Index<dim>&, | ||
| const Direction<dim>&, const double&, | ||
| const size_t&) = nullptr; | ||
| void (*reconstruct_upper_neighbor_)(gsl::not_null<DataVector*>, | ||
| const DataVector&, const DataVector&, | ||
| const Index<dim>&, const Index<dim>&, | ||
| const Direction<dim>&, const double&, | ||
| const size_t&) = nullptr; | ||
| }; | ||
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| } // namespace grmhd::GhValenciaDivClean::fd |
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