Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include <array>
       7             : #include <cstddef>
       8             : #include <utility>
       9             : 
      10             : #include "DataStructures/DataBox/PrefixHelpers.hpp"
      11             : #include "DataStructures/DataBox/Prefixes.hpp"
      12             : #include "DataStructures/Tensor/TypeAliases.hpp"
      13             : #include "DataStructures/VariablesTag.hpp"
      14             : #include "Domain/Structure/DirectionalIdMap.hpp"
      15             : #include "Domain/Tags.hpp"
      16             : #include "Evolution/DgSubcell/Tags/GhostDataForReconstruction.hpp"
      17             : #include "Evolution/DgSubcell/Tags/Mesh.hpp"
      18             : #include "Evolution/Systems/NewtonianEuler/FiniteDifference/Reconstructor.hpp"
      19             : #include "Evolution/Systems/NewtonianEuler/Tags.hpp"
      20             : #include "Options/String.hpp"
      21             : #include "PointwiseFunctions/Hydro/Tags.hpp"
      22             : #include "Utilities/TMPL.hpp"
      23             : 
      24             : /// \cond
      25             : class DataVector;
      26             : template <size_t Dim>
      27             : class Direction;
      28             : template <size_t Dim>
      29             : class Element;
      30             : template <size_t Dim>
      31             : class ElementId;
      32             : namespace EquationsOfState {
      33             : template <bool IsRelativistic, size_t ThermodynamicDim>
      34             : class EquationOfState;
      35             : }  // namespace EquationsOfState
      36             : namespace gsl {
      37             : template <typename T>
      38             : class not_null;
      39             : }  // namespace gsl
      40             : template <size_t Dim>
      41             : class Mesh;
      42             : template <typename TagsList>
      43             : class Variables;
      44             : namespace evolution::dg::subcell {
      45             : class GhostData;
      46             : }  // namespace evolution::dg::subcell
      47             : /// \endcond
      48             : 
      49             : namespace NewtonianEuler::fd {
      50             : /*!
      51             :  * \brief Monotonised central reconstruction. See
      52             :  * `::fd::reconstruction::monotonised_central()` for details.
      53             :  */
      54             : template <size_t Dim>
      55           1 : class MonotonisedCentralPrim : public Reconstructor<Dim> {
      56             :  private:
      57             :   // Conservative vars tags
      58           0 :   using MassDensityCons = NewtonianEuler::Tags::MassDensityCons;
      59           0 :   using EnergyDensity = NewtonianEuler::Tags::EnergyDensity;
      60           0 :   using MomentumDensity = NewtonianEuler::Tags::MomentumDensity<Dim>;
      61             : 
      62             :   // Primitive vars tags
      63           0 :   using MassDensity = hydro::Tags::RestMassDensity<DataVector>;
      64           0 :   using Velocity = hydro::Tags::SpatialVelocity<DataVector, Dim>;
      65           0 :   using SpecificInternalEnergy =
      66             :       hydro::Tags::SpecificInternalEnergy<DataVector>;
      67           0 :   using Pressure = hydro::Tags::Pressure<DataVector>;
      68             : 
      69           0 :   using prims_tags =
      70             :       tmpl::list<MassDensity, Velocity, SpecificInternalEnergy, Pressure>;
      71           0 :   using cons_tags = tmpl::list<MassDensityCons, MomentumDensity, EnergyDensity>;
      72           0 :   using flux_tags = db::wrap_tags_in<::Tags::Flux, cons_tags, tmpl::size_t<Dim>,
      73             :                                      Frame::Inertial>;
      74           0 :   using prim_tags_for_reconstruction =
      75             :       tmpl::list<MassDensity, Velocity, Pressure>;
      76             : 
      77             :  public:
      78           0 :   using options = tmpl::list<>;
      79           0 :   static constexpr Options::String help{
      80             :       "Monotonised central reconstruction scheme using primitive variables."};
      81             : 
      82           0 :   MonotonisedCentralPrim() = default;
      83           0 :   MonotonisedCentralPrim(MonotonisedCentralPrim&&) = default;
      84           0 :   MonotonisedCentralPrim& operator=(MonotonisedCentralPrim&&) = default;
      85           0 :   MonotonisedCentralPrim(const MonotonisedCentralPrim&) = default;
      86           0 :   MonotonisedCentralPrim& operator=(const MonotonisedCentralPrim&) = default;
      87           0 :   ~MonotonisedCentralPrim() override = default;
      88             : 
      89           0 :   explicit MonotonisedCentralPrim(CkMigrateMessage* msg);
      90             : 
      91           0 :   WRAPPED_PUPable_decl_base_template(Reconstructor<Dim>,
      92             :                                      MonotonisedCentralPrim);
      93             : 
      94           0 :   auto get_clone() const -> std::unique_ptr<Reconstructor<Dim>> override;
      95             : 
      96           0 :   void pup(PUP::er& p) override;
      97             : 
      98           0 :   size_t ghost_zone_size() const override { return 2; }
      99             : 
     100           0 :   using reconstruction_argument_tags =
     101             :       tmpl::list<::Tags::Variables<prims_tags>,
     102             :                  hydro::Tags::EquationOfState<false, 2>,
     103             :                  domain::Tags::Element<Dim>,
     104             :                  evolution::dg::subcell::Tags::GhostDataForReconstruction<Dim>,
     105             :                  evolution::dg::subcell::Tags::Mesh<Dim>>;
     106             : 
     107             :   template <typename TagsList>
     108           0 :   void reconstruct(
     109             :       gsl::not_null<std::array<Variables<TagsList>, Dim>*> vars_on_lower_face,
     110             :       gsl::not_null<std::array<Variables<TagsList>, Dim>*> vars_on_upper_face,
     111             :       const Variables<prims_tags>& volume_prims,
     112             :       const EquationsOfState::EquationOfState<false, 2>& eos,
     113             :       const Element<Dim>& element,
     114             :       const DirectionalIdMap<Dim, evolution::dg::subcell::GhostData>&
     115             :           ghost_data,
     116             :       const Mesh<Dim>& subcell_mesh) const;
     117             : 
     118             :   /// Called by an element doing DG when the neighbor is doing subcell.
     119             :   ///
     120             :   /// This is used to reconstruct the fluxes on the mortar that the subcell
     121             :   /// neighbor would have sent had we instead used a two a two-communication
     122             :   /// subcell solver (first communication for reconstruction, second for
     123             :   /// fluxes).
     124             :   template <typename TagsList>
     125           1 :   void reconstruct_fd_neighbor(
     126             :       gsl::not_null<Variables<TagsList>*> vars_on_face,
     127             :       const Variables<prims_tags>& subcell_volume_prims,
     128             :       const EquationsOfState::EquationOfState<false, 2>& eos,
     129             :       const Element<Dim>& element,
     130             :       const DirectionalIdMap<Dim, evolution::dg::subcell::GhostData>&
     131             :           ghost_data,
     132             :       const Mesh<Dim>& subcell_mesh,
     133             :       const Direction<Dim> direction_to_reconstruct) const;
     134             : };
     135             : 
     136             : template <size_t Dim>
     137           0 : bool operator==(const MonotonisedCentralPrim<Dim>& /*lhs*/,
     138             :                 const MonotonisedCentralPrim<Dim>& /*rhs*/) {
     139             :   return true;
     140             : }
     141             : 
     142             : template <size_t Dim>
     143           0 : bool operator!=(const MonotonisedCentralPrim<Dim>& lhs,
     144             :                 const MonotonisedCentralPrim<Dim>& rhs) {
     145             :   return not(lhs == rhs);
     146             : }
     147             : }  // namespace NewtonianEuler::fd