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/GrMhd/ValenciaDivClean/PrimitiveFromConservativeOptions.hpp"
      15             : #include "Evolution/Systems/GrMhd/ValenciaDivClean/Tags.hpp"
      16             : #include "PointwiseFunctions/GeneralRelativity/TagsDeclarations.hpp"
      17             : #include "PointwiseFunctions/Hydro/Tags.hpp"
      18             : #include "Utilities/TMPL.hpp"
      19             : 
      20             : /// \cond
      21             : class DataVector;
      22             : namespace EquationsOfState {
      23             : template <bool IsRelativistic, size_t ThermodynamicDim>
      24             : class EquationOfState;
      25             : }  // namespace EquationsOfState
      26             : template <size_t Dim>
      27             : class Mesh;
      28             : namespace gsl {
      29             : template <typename T>
      30             : class not_null;
      31             : }  // namespace gsl
      32             : template <typename TagsList>
      33             : class Variables;
      34             : /// \endcond
      35             : 
      36             : namespace grmhd::GhValenciaDivClean::subcell {
      37             : /*!
      38             :  * \brief If the grid is switched from subcell to DG, then this mutator resizes
      39             :  * the primitive variables to the DG grid and computes the primitive variables
      40             :  * on the DG grid.
      41             :  *
      42             :  * In the DG-subcell `step_actions` list this will normally be called using the
      43             :  * `::Actions::MutateApply` action in the following way in the action list:
      44             :  * - `TciAndSwitchToDg<TciOnFdGrid>`
      45             :  * - `Actions::MutateApply<ResizeAndComputePrims<primitive_recovery_schemes>>`
      46             :  *
      47             :  * If the active grid is DG (we are switching from subcell back to DG) then this
      48             :  * mutator computes the primitive variables on the active grid. We reconstruct
      49             :  * the pressure to the DG grid to give a high-order initial guess for the
      50             :  * primitive recovery. A possible future optimization would be to avoid this
      51             :  * reconstruction when all recovery schemes don't need an initial guess.
      52             :  * Finally, we perform the primitive recovery on the DG grid.
      53             :  *
      54             :  * If the active grid is Subcell then this mutator does nothing.
      55             :  *
      56             :  * \note All evolved variables are on the DG grid when this mutator is called
      57             :  * and the active grid is DG.
      58             :  */
      59             : template <typename OrderedListOfRecoverySchemes>
      60           1 : struct ResizeAndComputePrims {
      61           0 :   using return_tags =
      62             :       tmpl::list<::Tags::Variables<hydro::grmhd_tags<DataVector>>>;
      63           0 :   using argument_tags = tmpl::list<
      64             :       evolution::dg::subcell::Tags::ActiveGrid, domain::Tags::Mesh<3>,
      65             :       evolution::dg::subcell::Tags::Mesh<3>,
      66             :       grmhd::ValenciaDivClean::Tags::TildeD,
      67             :       grmhd::ValenciaDivClean::Tags::TildeYe,
      68             :       grmhd::ValenciaDivClean::Tags::TildeTau,
      69             :       grmhd::ValenciaDivClean::Tags::TildeS<>,
      70             :       grmhd::ValenciaDivClean::Tags::TildeB<>,
      71             :       grmhd::ValenciaDivClean::Tags::TildePhi,
      72             :       gr::Tags::SpacetimeMetric<DataVector, 3>,
      73             :       hydro::Tags::GrmhdEquationOfState,
      74             :       grmhd::ValenciaDivClean::Tags::PrimitiveFromConservativeOptions>;
      75             : 
      76           0 :   static void apply(
      77             :       gsl::not_null<Variables<hydro::grmhd_tags<DataVector>>*> prim_vars,
      78             :       evolution::dg::subcell::ActiveGrid active_grid, const Mesh<3>& dg_mesh,
      79             :       const Mesh<3>& subcell_mesh, const Scalar<DataVector>& tilde_d,
      80             :       const Scalar<DataVector>& tilde_ye, const Scalar<DataVector>& tilde_tau,
      81             :       const tnsr::i<DataVector, 3, Frame::Inertial>& tilde_s,
      82             :       const tnsr::I<DataVector, 3, Frame::Inertial>& tilde_b,
      83             :       const Scalar<DataVector>& tilde_phi,
      84             :       const tnsr::aa<DataVector, 3, Frame::Inertial>& spacetime_metric,
      85             :       const EquationsOfState::EquationOfState<true, 3>& eos,
      86             :       const grmhd::ValenciaDivClean::PrimitiveFromConservativeOptions&
      87             :           primitive_from_conservative_options);
      88             : };
      89             : }  // namespace grmhd::GhValenciaDivClean::subcell