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