Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include <cstddef>
       7              : 
       8              : #include "DataStructures/Tensor/TypeAliases.hpp"
       9              : #include "DataStructures/VariablesTag.hpp"
      10              : #include "Domain/Tags.hpp"
      11              : #include "Evolution/DgSubcell/ActiveGrid.hpp"
      12              : #include "Evolution/DgSubcell/Tags/ActiveGrid.hpp"
      13              : #include "Evolution/DgSubcell/Tags/Mesh.hpp"
      14              : #include "Evolution/Systems/NewtonianEuler/Tags.hpp"
      15              : #include "PointwiseFunctions/Hydro/Tags.hpp"
      16              : #include "Utilities/TMPL.hpp"
      17              : 
      18              : /// \cond
      19              : class DataVector;
      20              : namespace EquationsOfState {
      21              : template <bool IsRelativistic, size_t ThermodynamicDim>
      22              : class EquationOfState;
      23              : }  // namespace EquationsOfState
      24              : template <size_t Dim>
      25              : class Mesh;
      26              : namespace gsl {
      27              : template <typename T>
      28              : class not_null;
      29              : }  // namespace gsl
      30              : template <typename TagsList>
      31              : class Variables;
      32              : /// \endcond
      33              : 
      34              : namespace NewtonianEuler::subcell {
      35              : /*!
      36              :  * \brief Mutator that resizes the primitive variables to have the size of the
      37              :  * active mesh and then computes the primitive variables on the active mesh.
      38              :  *
      39              :  * In the DG-subcell `step_actions` list this will normally be called using the
      40              :  * `::Actions::MutateApply` action right after the
      41              :  * `evolution::dg::subcell::Actions::TciAndSwitchToDg` action. We only need to
      42              :  * compute the primitives if we switched to the DG grid because otherwise we
      43              :  * computed the primitives during the FD TCI. After the primitive variables tag
      44              :  * is resized for the DG grid, the primitives are computed directly on the DG
      45              :  * grid from the reconstructed conserved variables, not via a reconstruction
      46              :  * operation applied to the primitives.
      47              :  */
      48              : template <size_t Dim>
      49            1 : struct ResizeAndComputePrims {
      50              :  private:
      51            0 :   using MassDensity = hydro::Tags::RestMassDensity<DataVector>;
      52            0 :   using Velocity = hydro::Tags::SpatialVelocity<DataVector, Dim>;
      53            0 :   using SpecificInternalEnergy =
      54              :       hydro::Tags::SpecificInternalEnergy<DataVector>;
      55            0 :   using Pressure = hydro::Tags::Pressure<DataVector>;
      56              : 
      57              :  public:
      58            0 :   using return_tags = tmpl::list<::Tags::Variables<
      59              :       tmpl::list<MassDensity, Velocity, SpecificInternalEnergy, Pressure>>>;
      60            0 :   using argument_tags =
      61              :       tmpl::list<evolution::dg::subcell::Tags::ActiveGrid,
      62              :                  domain::Tags::Mesh<Dim>,
      63              :                  evolution::dg::subcell::Tags::Mesh<Dim>, Tags::MassDensityCons,
      64              :                  Tags::MomentumDensity<Dim>, Tags::EnergyDensity,
      65              :                  hydro::Tags::EquationOfState<false, 2>>;
      66              : 
      67            0 :   static void apply(
      68              :       gsl::not_null<Variables<
      69              :           tmpl::list<MassDensity, Velocity, SpecificInternalEnergy, Pressure>>*>
      70              :           prim_vars,
      71              :       evolution::dg::subcell::ActiveGrid active_grid, const Mesh<Dim>& dg_mesh,
      72              :       const Mesh<Dim>& subcell_mesh,
      73              :       const Scalar<DataVector>& mass_density_cons,
      74              :       const tnsr::I<DataVector, Dim>& momentum_density,
      75              :       const Scalar<DataVector>& energy_density,
      76              :       const EquationsOfState::EquationOfState<false, 2>& equation_of_state);
      77              : };
      78              : }  // namespace NewtonianEuler::subcell