Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include "DataStructures/Tensor/TypeAliases.hpp"
       7              : #include "DataStructures/VariablesTag.hpp"
       8              : #include "Evolution/Systems/GeneralizedHarmonic/Tags.hpp"
       9              : #include "Evolution/Systems/GrMhd/GhValenciaDivClean/Tags.hpp"
      10              : #include "PointwiseFunctions/GeneralRelativity/Tags.hpp"
      11              : #include "PointwiseFunctions/Hydro/Tags.hpp"
      12              : #include "Utilities/TMPL.hpp"
      13              : 
      14              : /// \cond
      15              : class DataVector;
      16              : template <typename T>
      17              : class Variables;
      18              : /// \endcond
      19              : 
      20              : namespace grmhd::GhValenciaDivClean::subcell {
      21              : /*!
      22              :  * \brief Computes the rest mass density \f$\rho\f$, electron fraction
      23              :  * \f$Y_e\f$, pressure \f$p\f$, Lorentz factor times the spatial velocity \f$W
      24              :  * v^i\f$, magnetic field \f$B^i\f$, the divergence cleaning field \f$\Phi\f$,
      25              :  * and the generalized harmonic evolved variables \f$g_{ab}\f$, \f$\Phi_{iab}\f$
      26              :  * and \f$\Pi_{ab}\f$ on the subcells so they can be used for reconstruction.
      27              :  *
      28              :  * The computation copies the data from the primitive variables to a new
      29              :  * Variables and computes \f$W v^i\f$. In the future we will likely want to
      30              :  * elide this copy but that requires support from the actions.
      31              :  *
      32              :  * This mutator is passed to
      33              :  * `evolution::dg::subcell::Actions::SendDataForReconstruction`.
      34              :  *
      35              :  * \note Only called on elements using FD.
      36              :  */
      37            1 : class PrimitiveGhostVariables {
      38              :  public:
      39            0 :   using ghost_variables_tag_list = GhValenciaDivClean::Tags::
      40              :       primitive_grmhd_and_spacetime_reconstruction_tags;
      41            0 :   using return_tags = tmpl::list<>;
      42            0 :   using argument_tags =
      43              :       tmpl::list<::Tags::Variables<hydro::grmhd_tags<DataVector>>,
      44              :                  gr::Tags::SpacetimeMetric<DataVector, 3>,
      45              :                  gh::Tags::Phi<DataVector, 3>, gh::Tags::Pi<DataVector, 3>>;
      46              : 
      47            0 :   static DataVector apply(
      48              :       const Variables<hydro::grmhd_tags<DataVector>>& prims,
      49              :       const tnsr::aa<DataVector, 3, Frame::Inertial>& spacetime_metric,
      50              :       const tnsr::iaa<DataVector, 3, Frame::Inertial>& phi,
      51              :       const tnsr::aa<DataVector, 3, Frame::Inertial>& pi, size_t rdmp_size);
      52              : };
      53              : }  // namespace grmhd::GhValenciaDivClean::subcell